24
CH7038 Brief Datasheet 209-1000-018 Rev 1.21 2016-4-26 1 Chrontel Chrontel CH7038 Multi-Standard Display Interface Converter with Scaler FEATURES GENERAL DESCRIPTION 2 Lane DisplayPort Receiver and Transmitter compliant with DisplayPort specification version 1.2 and Embedded DisplayPort (eDP) Specification version 1.3. Optional HDCP version 1.4, Support VESA and CEA timing standards up to 1920x1200 in 8-bit input with 60Hz refresh rate HDMI Receiver and Transmitter compliant with HDMI 1.4 specification and DVI 1.0 specification. HDMI Receiver supports resolution up to 1080p, and HDMI Transmitter supports resolution up to 4Kx2K. Support HDMI repeater function. Single / Dual channel LVDS 18 / 24 bits receiver and Transmitter supports up to 165 Mpixels/s Support 16/18/24 bit parallel video input. Support SDR, DDR, 2X and 3X input timing mode. Support BT656 and BT1120 input and output, with embedded or separate sync mode Support DP/HDMI 3D input, and output DP/HDMI with repacked 3D content, or output LVDS with R/L View separately. Support LCD panel with resolution up to 1920x1200@60Hz in 2D mode or 1366x768@120Hz in 3D mode Three on-chip 9-bit high speed DACs providing flexible output capabilities. Such as single, double or triple CVBS outputs, YPbPr output, RGB output and simultaneous CVBS and S-video outputs VGA output is compliant with VESA VSIS v1r2 specification Support Component YPbPr output and analog RGB (VGA) monitor up to 1900x 1200 or 1080P Advanced pin-multiplexed technology to support multiple input/output display standards Support two independent display timing data received simultaneously from two separated input paths Advanced multi Picture-in-Picture (PIP) features OSD controller support Build-in flexible scaling engine. On-chip frame buffer supports frame rate conversion, upsize/downsize scaling and Image display rotation /flip TV / Monitor connection detection capability. Support LCD panel protection and power sequencing. PWM is available for controlling LCD backlight brightness. Dynamic backlight dimming to save power consumption Powerful image enhancement engine embedded SPDIF audio interface supports either 16-bit or 20-bit stereo data with sampling rate up to 192kHz/2ch. Chrontel CH7038 is an innovative display interface product designed for embedded systems, consumer electronics and computing in which conversions among multiple high definition video/audio formats are required. Built in with multiple differential receivers and transmitters, a flexible scaling/overlay engine and easy-to-use audio interfaces, the CH7038 can drive LCD panels through either a single or dual channel LVDS/TTL interface or a 1/2 lane DisplayPort interface. It can also simultaneously output to external displays using standards such as HDMI/DVI, YPbPr, VGA, CVBS or S-Video. This device will help manufactures reduce design costs, accelerate time-to-market and expand product features for better users experience. The CH7038 has four input and four output ports to supports multiple display standards. Some ports are multiplexed with different signal types to reduce pin count. For example, the 24-bit wide digital port can be programmed to receive LVDS or TTL signals and supports various formats like RGB, BT1120, BT656, etc. while the 8-bit port can accept HDMI or BT656 inputs. The 2 Lane DP / eDP port stands alone because of its high data transfer rate. The lower speed SPI port can interface to external micro controller to display selectively refreshed data. A powerful per pixel scaler engine is integrated inside the CH7038. Together with its stacked 64Mb SDRAM, the scaler can process input resolutions up to 1080P and perform Frame Rate Conversion, Image Rotation/Flip and flexible Video Zoom. It can overlay a scaled video onto another bypassed graphics stream to achieve picture-in-picture display. This would allow user to view two display contents on a single monitor. The scaler also supports chroma-key to overlay irregularly shaped video with monochrome background onto a second video stream. Though its MCU and SPI interface, external micro controller can input complex OSD data into the overlay buffer using the selective refresh mode. These features make CH7038 an ideal solution to display multiple video sources onto multiple displays. Through a 4x2 input switch matrix, the device’s scaler can be configured to simultaneously accept two separated video formats with independent display timing. The input combination can be mixed among the TTL/BT1120/LVDS, the DP/eDP, the HDMI/BT656 and the SPI interface input in either RGB format (RGB-565, RGB-666 or RGB-888 and etc.) or YCrCb format (ITU-R

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Page 1: Chrontel CH7038 Brief Datasheet Version 0

CH7038 Brief Datasheet

209-1000-018 Rev 1.21 2016-4-26 1

Chrontel

Chrontel CH7038 Multi-Standard Display

Interface Converter with Scaler

FEATURES GENERAL DESCRIPTION

2 Lane DisplayPort Receiver and Transmitter

compliant with DisplayPort specification version

1.2 and Embedded DisplayPort (eDP) Specification

version 1.3. Optional HDCP version 1.4, Support

VESA and CEA timing standards up to 1920x1200

in 8-bit input with 60Hz refresh rate

HDMI Receiver and Transmitter compliant with

HDMI 1.4 specification and DVI 1.0 specification.

HDMI Receiver supports resolution up to 1080p,

and HDMI Transmitter supports resolution up to

4Kx2K. Support HDMI repeater function.

Single / Dual channel LVDS 18 / 24 bits receiver

and Transmitter supports up to 165 Mpixels/s

Support 16/18/24 bit parallel video input. Support

SDR, DDR, 2X and 3X input timing mode.

Support BT656 and BT1120 input and output, with

embedded or separate sync mode

Support DP/HDMI 3D input, and output DP/HDMI

with repacked 3D content, or output LVDS with

R/L View separately. Support LCD panel with

resolution up to 1920x1200@60Hz in 2D mode or

1366x768@120Hz in 3D mode

Three on-chip 9-bit high speed DACs providing

flexible output capabilities. Such as single, double

or triple CVBS outputs, YPbPr output, RGB output

and simultaneous CVBS and S-video outputs

VGA output is compliant with VESA VSIS v1r2

specification Support Component YPbPr output and analog RGB

(VGA) monitor up to 1900x 1200 or 1080P

Advanced pin-multiplexed technology to support

multiple input/output display standards

Support two independent display timing data

received simultaneously from two separated input

paths

Advanced multi Picture-in-Picture (PIP) features

OSD controller support

Build-in flexible scaling engine. On-chip frame

buffer supports frame rate conversion,

upsize/downsize scaling and Image display rotation

/flip

TV / Monitor connection detection capability.

Support LCD panel protection and power

sequencing. PWM is available for controlling LCD

backlight brightness. Dynamic backlight dimming

to save power consumption Powerful image

enhancement engine embedded

SPDIF audio interface supports either 16-bit or

20-bit stereo data with sampling rate up to

192kHz/2ch.

Chrontel CH7038 is an innovative display interface

product designed for embedded systems, consumer

electronics and computing in which conversions among

multiple high definition video/audio formats are required.

Built in with multiple differential receivers and

transmitters, a flexible scaling/overlay engine and

easy-to-use audio interfaces, the CH7038 can drive LCD

panels through either a single or dual channel LVDS/TTL

interface or a 1/2 lane DisplayPort interface. It can also

simultaneously output to external displays using standards

such as HDMI/DVI, YPbPr, VGA, CVBS or S-Video.

This device will help manufactures reduce design costs,

accelerate time-to-market and expand product features for

better user’s experience.

The CH7038 has four input and four output ports to

supports multiple display standards. Some ports are

multiplexed with different signal types to reduce pin

count. For example, the 24-bit wide digital port can be

programmed to receive LVDS or TTL signals and

supports various formats like RGB, BT1120, BT656, etc.

while the 8-bit port can accept HDMI or BT656 inputs.

The 2 Lane DP / eDP port stands alone because of its high

data transfer rate. The lower speed SPI port can interface

to external micro controller to display selectively

refreshed data.

A powerful per pixel scaler engine is integrated inside the

CH7038. Together with its stacked 64Mb SDRAM, the

scaler can process input resolutions up to 1080P and

perform Frame Rate Conversion, Image Rotation/Flip and

flexible Video Zoom. It can overlay a scaled video onto

another bypassed graphics stream to achieve

picture-in-picture display. This would allow user to view

two display contents on a single monitor. The scaler also

supports chroma-key to overlay irregularly shaped video

with monochrome background onto a second video

stream. Though its MCU and SPI interface, external micro

controller can input complex OSD data into the overlay

buffer using the selective refresh mode. These features

make CH7038 an ideal solution to display multiple video

sources onto multiple displays.

Through a 4x2 input switch matrix, the device’s scaler can

be configured to simultaneously accept two separated

video formats with independent display timing. The input

combination can be mixed among the

TTL/BT1120/LVDS, the DP/eDP, the HDMI/BT656 and

the SPI interface input in either RGB format (RGB-565,

RGB-666 or RGB-888 and etc.) or YCrCb format (ITU-R

Page 2: Chrontel CH7038 Brief Datasheet Version 0

CHRONTEL CH7038

2 209-1000-018 Rev 1.21 2016-4-26

Support 2 channel I2S digital audio input and 8(7.1)

channel output for up to 24-bit data stream

(32kHz/8ch, 44.1kHz/8ch, 48kHz/8ch,

88.2kHz/8ch, 96kHz/8ch, 176.4kHz/8ch and

192kHz/8ch)

Supports LPCM, One Bit Audio, Dolby Digital,

DTS, DSD,HBR digital audio formats

27MHz is available as crystal or oscillator clock

input frequency

MCU embedded to handle the control logic

Integrated EDID Buffer

IO and SPC/SPD supply voltages from 1.8V to 3.3V

Programmable power management

Device fully programmable through serial port or

can automatically load firmware from On-chip

Flash

RoHS compliant and Halogen free package Offered in 176 pin LQFP package and 196 pin BGA

package

APPLICATIONS

Docking Station

Embedded System

Notebook / Ultrabook

Tablet Device

IPTV Box

Internet TV / SmartTV

Video Conversion Cable / Adapter / Matrix

DVR / Security field

Stand Show / Medical Inspection Apparatus

601/656 and BT1120). A 2x4 output switch matrix can be

programmed to drive the various output ports

simultaneously with two kinds of independent timing.

The CH7038 supports 3D data structures defined by DP

and HDMI standards. The device can translate and repack

3D data when DP signals are converted to HDMI and vice

versa. 3D data can also be displayed as R/L frame via its

LVDS output.

The CH7038’s DisplayPort receiver and transmitter are

designed to comply with DisplayPort Specification 1.2

and Embedded DisplayPort (eDP) Specification version

1.3. It provides support for one or two Main Link lanes

with data rate running at 1.62Gb/s or 2.7Gb/s. To further

optimize the display quality and power dissipation, this

device is equipped with seamless display refresh rate

switching and progressive to interlace timing switching

capabilities.

The CH7038’s HDMI receiver and transmitter are

designed to meet HDMI Specification 1.4 and DVI

Specification 1.0. The transmitter performs serialization

and transmission of video/audio data up to 4Kx2K with

the internal powerful scaler engine. On-chip HDCP cipher

engine can be activated to protect the high definition

media content.

Dual channel LVDS receiver and transmitter are

incorporated into the CH7038. The Panel protection

mechanism is also built in to switch off the LCD instantly

through device’s automated panel on/off sequences if

input data is missing or unstable. The backlight on/off

control can be configured through programming internal

registers. A built-in PWM generator can be used to adjust

display brightness and dimming of the LCD. Dithering

algorithm is implemented on chip in support of 18-bits

LCD panels.

To support legacy analog displays, three

high-performance 9-bit DACs along with separate

horizontal and vertical sync outputs are used. CH7038 can

output analog RGB signals for VGA monitor, YPrPb for

HDTV and CVBS / S-Video for SDTV.

To support local digital audio input and output, the device

has both SPDIF and 2-channel I²S digital audio interfaces.

Like the video signal path, the audio path can take inputs

from DP, HDMI, SPDIF and I2S sources and repack the

data for the chosen outputs. Its high fidelity audio engine

can handle sampling frequency for up to 192kS/s of stereo

and 7.1 audio. The SPDIF interface supports PCM

encoded data and compressed audio including Dolby

Digital and DTS.

In summary, the CH7038 is a general purpose display

interface converter. It is designed to handle both advanced

and legacy display interface standards. It can be used in

universal docking stations for phones, tablets, personal

computers, OTT and IOT devices for both the office and

the home markets.

Page 3: Chrontel CH7038 Brief Datasheet Version 0

CHRONTEL CH7038

209-1000-018 Rev 1.21 2016-4-26 3

TTL Rx interface

(RGB16/18/24,

YCbCr,

BT1120/BT656)

LVDS Rx

(2 port, 18/24)

DisplayPort Rx

(2 Lane X 2.7G )

HDMI Rx

(1080P, 1.65G)

Input

Matrix

FRC

/ Scaler

/ Rotation

/ 3D process

/ Chroma-Key

/ Image enhance

/ Selective Refresh

S/HDTV /

VGA

Encoder

LVDS Tx

(2 port, 18/24)

DP Tx Core

2 Lane x 2.7G

HDMI/DVI TX

Core

4Kx2K

Control Processor Unit

Audio Encoder

DisplayPort

HDMI /

BT656

HDMI /

DVI

DisplayPort

LVDS /

TTL

VGA /

CVBS /

S-Video /

YPbPr

IIS/

SPDIF

IIC / DDC / GPIO / SPI / HPD / PWM /

3D//2D backlight / LCD Power Control

DVO Tx

(TTL, 24)

Picture

In

Picture

Output

Matrix

DDR RAM

Audio

Decoder

IIS / SPDIF

On Chip

FlashOSD

LVDS /

TTL

SPI Port

Digital

Video

Stream

BT656

Internal Test

Pattern

Figure 1: Functional Block Diagram

Page 4: Chrontel CH7038 Brief Datasheet Version 0

CHRONTEL CH7038

4 209-1000-018 Rev 1.21 2016-4-26

1.0 PIN-OUT

1.1 Package Diagram

CH7038

LQFP176

CHRONTEL

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

45

46

47

48

49

50

51

52

53

123

122

121

120

119

118

117

116

115

114

113

112

111

110

109

108

107

106

105

104

103

102

101

100

99

98

97

96

95

94

93

92

91

90

89

132

131

130

129

128

127

126

125

124

14

2

143

144

14

5

146

147

14

8

149

150

15

1

15

2

153

15

4

15

5

156

15

7

15

8

159

16

0

16

1

162

16

3

16

4

165

16

6

16

7

168

16

9

17

0

171

17

2

17

3

174

17

5

17

6

133

13

4

13

5

136

13

7

13

8

139

14

0

14

1

BT656_HS/DDC_SC_HMRX

BT656_DE/HPD_HMRX

AVCC_33

DGND

AVSS

AVCC_12

AVDD_12

BT656_D[0]/RXCB_HMRX

BT656_D[1]/RXC_HMRX

BT656_D[2]/RX0B_HMRX

BT656_D[3]/RX0_HMRX

AVSS

BT656_D[4]/RX1B_HMRX

BT656_D[5]/RX1_HMRX

AVCC_33

BT656_D[6/RX2B_HMRX

BT656_D[7]/RX2_HMRX

AVDD_12

DVDD

DGND

TX1B_DPTX

TX1_DPTX

AVCC_12

DVDD

AVSS

TX0B_DPTX

TX0_DPTX

AVCC_33

AVCC_12

VSO/GPIO[7]

HSO/GPIO[6]

I2SRX_WS/GPIOL[2]

SPDIF_RX/I2SDATA_RX/GPIOL[1]

I2SRX_CLK/GPIOL[3]

GPIOL[0]

XO

GPIO[1]

AS

IRQ

HPD_HMTX/PSB

DDC_SD_HMTX/LVDSCG[1]

DDC_SC_HMTX/LVDSCG[0]

BT656_CLK

BT656_VS/DDC_SD_HMRX

TT

LT

X_

D[0

]/E

NP

WR

_L

DT

X

TT

LT

X_

D[1

]/T

XC

2_L

DT

X

TT

LT

X_

D[2

]/T

XC

2B

_L

DT

X

TT

LT

X_

D[3

]/T

X7

_L

DT

X

TT

LT

X_

D[4

]/T

X7

B_L

DT

X

TT

LT

X_D

[5]/

TX

6_L

DT

X

TT

LT

X_D

[6]/

TX

6B

_L

DT

X

TT

LT

X_

D[7

]/T

X5

_L

DT

X

TT

LT

X_

D[8

]/T

X5

B_L

DT

X

TT

LT

X_D

[9]/

TX

4_L

DT

X

TT

LT

X_

CL

KO

/TX

4B

_L

DT

X

AV

CC

_IO

DV

DD

VD

D_D

DR

DG

ND

AV

CC

_IO

TT

LT

X_

D[1

0]/

TX

C1_

LD

TX

TT

LT

X_

D[1

1]/

TX

C1

B_

LD

TX

TT

LT

X_

D[1

2]/

TX

3_

LD

TX

TT

LT

X_

D[1

3]/

TX

3B

_L

DT

X

TT

LT

X_

D[1

4]/

TX

2_

LD

TX

TT

LT

X_

D[1

5]/

TX

2B

_L

DT

X

TT

LT

X_

D[1

6]/

TX

1_

LD

TX

TT

LT

X_

D[1

7]/

TX

1B

_L

DT

X

TT

LT

X_

D[1

8]/

TX

0_

LD

TX

TT

LT

X_

D[1

9]/

TX

0B

_L

DT

X

TT

LT

X_

D[2

0]/

ST

ER

EO

_L

RS

TT

LT

X_D

[21

]/S

TE

RE

O_

LB

LK

TT

LT

X_D

[22]/

ST

ER

EO

_R

BL

K

TT

LT

X_

D[2

3]/

ST

ER

EO

_L

RE

AV

SS

AV

CC

_1

2

AU

XN

_D

PT

X

AU

XP

_D

PT

X

SP

DM

GP

IO[2

]

RS

TB

DD

C_S

D_L

DT

X

DD

C_

SC

_L

DT

X

AV

CC

_1

2

AV

SS

TT

LT

X_H

S/L

VD

SC

G[1

]/V

GA

_H

SY

NC

TT

LT

X_

VS

/LV

DS

CG

[0]/

VG

A_V

SY

NC

TT

LT

X_D

E/P

WM

_L

DT

X

ISET

DVDD

AVSS

AVSS

AVCC_12

GPIO[5]

HPD_DPTX

CVBS

AVSS

DAC0

AVCC_33

DAC1

AVSS

DAC2

AVCC_33

GPIO[4]

AVCC_12

DPRX1B

DPRX1

AVSS

DPRX0B

DPRX0

AVCC_12

DVDD

DGND

DGND

HMTX2

HMTX2B

HMTX1

HMTX1B

AVSS

HMTX0

HMTX0B

HMTXC

HMTXCB

AVCC_33

AVSS

HPD_DPRX

SPD

SPC

DDC_SD_VGA

DDC_SC_VGA

GPIO[3]

SPCM

AV

CC

_IO

TT

LR

X_

DIN

[23]

TT

LR

X_D

IN[2

2]

TT

LR

X_

DIN

[21]

TT

LR

X_

DIN

[20]

TT

LR

X_

DIN

[19]

LV

DS

RX

1[0

]/TT

LR

X_D

IN[1

8]

LV

DS

RX

1B

[0]/ T

TL

RX

_D

IN[1

7]

LV

DS

RX

1[1

]/TT

LR

X_

DIN

[16]

LV

DS

RX

1B

[1]/T

TL

RX

_D

IN[1

5]

LV

DS

RX

1[2

]/TT

LR

X_D

IN[1

4]

LV

DS

RX

1B

[2]/T

TL

RX

_D

IN[1

3]

LV

DS

RX

1_

CK

/TT

LR

X_

DIN

[12]

LV

DS

RX

1_

CK

B/T

TL

RX

_D

IN[1

1]

LV

DS

RX

1[3

]/TT

LR

X_

DIN

[10]

LV

DS

RX

1B

[3]/T

TL

RX

_D

IN[9

]

AV

SS

VD

DQ

_D

DR

LV

DS

RX

2[0

]/TT

LR

X_

CL

KIN

LV

DS

RX

2B

[0]/T

TL

RX

_D

IN[8

]

LV

DS

RX

2[1

]/TT

LR

X_

DIN

[7]

LV

DS

RX

2B

[1]/T

TL

RX

_D

IN[ 6

]

LV

DS

RX

2[2

]/TT

LR

X_

DIN

[5]

LV

DS

RX

2B

[2]/T

TL

RX

_D

IN[4

]

LV

DS

RX

2_C

K/T

TL

RX

_D

I N[3

]

LV

DS

RX

2_

CK

B/T

TL

RX

_D

IN[2

]

LV

DS

RX

2[3

]/TT

LR

X_

DI N

[1]

LV

DS

RX

2B

[3]/T

TL

RX

_D

IN[0

]

AV

CC

_IO

LV

DS

RX

_P

WM

/TT

LR

X_

DE

LV

DS

RX

_E

NB

LK

/TT

LR

X_V

SY

NC

LV

DS

RX

_E

NP

WR

/TT

LR

X_H

SY

NC

AU

XN

_D

PR

X

AU

XP

_D

PR

XXI

AV

CC

_3

3

AT

PG

GP

IO[0

]

I2S

TX

_W

S/G

PIO

R[2

]

I2S

TX

_D

AT

A/S

PD

IFT

X/G

PI O

R[1

]

I2S

TX

_C

LK

/GP

IOR

[3]

I2S

TX

_M

CL

K/ G

PIO

R[0

]

DD

C_

SC

_H

MT

X

DD

C_

SD

_H

MT

X

Figure 2: CH7038 176-Pin LQFP Pin Out

Page 5: Chrontel CH7038 Brief Datasheet Version 0

CHRONTEL CH7038

209-1000-018 Rev 1.21 2016-4-26 5

1 2 3 4 5 6 7 8 9 10 11 12 13 14

AB

CD

EF

GH

JK

LM

NP

DGND DGND

VDD_DDR

DGND

DGND

DGND

DVDDDGND

RXB_LDRX[

7]

TTL24_DIN[

0]

RX_LDRX[7]

TTL24_DIN[

1]

RXC2B_LDR

X

TTL24_DIN[

2]

RXC2_LDRX

TTL24_DIN[

3]

RXB_LDRX[

6]

TTL24_DIN[

4]

RX_LDRX[6]

TTL24_DIN[

5]

AVCC_IO

RXB_LDRX[

5]

TTL24_DIN[

6]

RX_LDRX[5]

TTL24_DIN[

7]

RXB_LDRX[

4]

TTL24_DIN[

8]

RX_LDRX[4]

TTL24_CLK

RXB_LDRX[

3]

TTL24_DIN[

9]

RX_LDRX[3]

TTL24_DIN[

10]

RXC1B_LDR

X

TTL24_DIN[

11]

RXC1_LDRX

TTL24_DIN[

12]

RXB_LDRX[

2]

TTL24_DIN[

13]

RX_LDRX[2]

TTL24_DIN[

14]

RXB_LDRX[

1]

TTL24_DIN[

15]

RX_LDRX[1]

TTL24_DIN[

16]

RXB_LDRX[

0]

TTL24_DIN[

17]

RX_LDRX[0]

TTL24_DIN[

18]

AVCC_33

AVSS

ISET

1 2 3 4 5 6 7 8 9 10 11 12 13

AB

XO

XI

DGND

DGND

AVCC_IO

HPD_DPRX

TXC2B_LDT

X

TTLO_D[2]

TXC2_LDTX

TTLO_D[1]

TX7B_LDTX

TTLO_D[4]

TX7_LDTX

TTLO_D[3]

TX6B_LDTX

TTLO_D[6]

TX6_LDTX

TTLO_D[5]

TX5B_LDTX

TTLO_D[8]

TX5_LDTX

TTLO_D[7]

TX4B_LDTX

TTLO_CLK

TX4_LDTX

TTLO_D[9]

TXCB_LDTX

TTLO_D[11]

TXC_LDTX

TTLO_D[10]

TX3B_LDTX

TTLO_D[13]

TX3_LDTX

TTLO_D[12]

TX2B_LDTX

TTLO_D[15]

TX2_LDTX

TTLO_D[14]

TX1B_LDTX

TTLO_D[17]

TX1_LDTX

TTLO_D[16]

TX0B_LDTX

TTLO_D[19]

TX0_LDTX

TTLO_D[18]

AVCC_IO

DVDD

DVDD

AVSS

AVCC_33

HTXCB

HTX0B

HTX1B

HTXC

HTX0

HTX1

KL

MN

AVCC_12AVSSAVSS

P

AUXP_DPTXAUXN_DPTX GPIO[3]

GPIO[4]

AVSS

CVBS

DAC1HPD_DPTX

AVSS

DAC0

DAC2

AVCC_33

HTX2B

DPRX0

DPRX1

AVCC_12

HTX2

AVSS

DPRX0B

DPRX1BAVCC_33

CD

EF

GH

J

DGND

ATPG

14

GPIO[5]

AVSS

ENAPWR_L

DTX

TTLO_D[0]

PWM_LDTX

TTLO_DE

AVSS

VDD_DDR

DGND

LVDSCG[0]

VGA_VSYN

C

TTLTX_VSY

NC

LVDSCG[1]

VGA_HSYN

C

TTLTX_HSY

NC

STEREO_LR

S

TTLO_D[20]

STEREO_LB

LK

TTLO_D[21]

STEREO_R

BLK

TTLO_D[22]

STEREO_LR

E

TTLO_D[23]

RESETB

AVCC_12AVSS

GPIO[2]DDC_SC_LD

TX

DDC_SD_LD

TX

SPDM SPCMDDC_SC_V

GA

DDC_SD_V

GASPC

SPD

GPIO[0]

ENPWR_LD

RX

TTL24_HSY

NC

ENABLK_LD

RX

TTL24_VSY

NC

DGND

PWM_LDRX

TTL24_DEDGND

TTL24_DIN[

20]

AVSSTTL24_DIN[

21]

I2S_MCLKO

TTL24_DIN[

22]

TTL24_DIN[

23]

SDET_DPRX

TTL24_DIN[

19]

DDC_SD_H

MTX

DDC_SC_H

MTXHPD_HMTX

AUXN_DPR

X

GPIO[1]

AUXP_DPR

XAS

BDIC

DDC_SC_H

MRX

BT656_HSY

NC

DDC_SD_H

MRX

BT656_VSY

NC

VGA_VSO VGA_HSO

AVSS WS_I2SIN

IRQ

HPD_HMRX

BT656_DE

DGND

CLK_I2SIN

DATA_I2SIN

BLUP

TX0B_DP

TX1B_DP

AVSS

RX2_HMRX

BT656_D[7]

RX1_HMRX

BT656_D[5]

RX0_HMRX

BT656_D[3]

RXC_HMRX

BT656_D[1]

AVCC_12

TX0_DP

TX1_DP AVCC_33

RX2B_HMR

X

BT656_D[6]

RX1B_HMR

X

BT656_D[4]

RX0B_HMR

X

BT656_D[2]

RXCB_HMR

X

BT656_D[0]

AVCC_33

BT656_CLK

DVDD

DGND

AVCC_12

AVSS

DVDD

I2S_CLKO

I2S_WSO

SPDIFO

I2S_DO

DGND

DGNDDGND DGNDDGND

DGNDDGND DGNDDGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

Figure 3: CH7038 196-Pin BGA Pin Out

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6 209-1000-018 Rev 1.21 2016-4-26

1.2 Pin Description

Table 1: 176 LQFP Pin Name Descriptions

Pin # Type Symbol Description

1 Out XO Crystal Output

A parallel resonance crystal should be attached between this pin and

XI. If an external CMOS clock is injected to XI, XO should be left

open.

2,39,40,

45,90,11

8,128,13

5

In/Out GPIO[7:0] General Purpose Input/Output

3 In AS Address Select

4 Out IRQ Programmed Interrupt Output

5 In HPD_HMTX HDMI Transmitter HPD Input

In/Out PSB General Purpose Input/Output

6 Out DDC_SD_HMTX HDMI Transmitter DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

HDMI DDC source. This pin will require a pull-up 1.8 kΩ Resistor to

the desired voltage level.

In/Out LVDSCG[1] General Purpose Input/Output

Default definition is LVDS Panel Selection control

7 In/Out DDC_SC_HMTX HDMI Transmitter DDC Clock Channel

This pin functions as the clock bus of the serial port to HDMI DDC

source. This pin will require a pull-up 1.8 kΩ Resistor to the desired

voltage level.

In/Out LVDSCG[0] General Purpose Input/Output

Default definition is LVDS Panel Selection control

8 In BT656_CLK BT656 Input Clock

9 In BT656_VS BT656 Input VSYNC

In/Out DDC_SD_HMRX HDMI Receiver DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

HDMI DDC receiver. This pin will require a pull-up 47 kΩ Resistor

to the desired voltage level.

10 In BT656_HS BT656 Input HSYNC

In DDC_SC_HMRX HDMI Receiver DDC Clock Channel

This pin functions as the clock bus of the serial port to HDMI DDC

receiver. This pin will require a pull-up 47 kΩ Resistor to the desired

voltage level.

11 In BT656_DE BT656 Input DE

Out HPD_HMRX HDMI Receiver HPD Output

16 In RXCB_HMRX HDMI Rx Negative Clock Channel

In BT656_D[0] BT656 Input Data Bit 0 (LSB)

17 In RXC_HMRX HDMI Rx Positive Clock Channel

In BT656_D[1] BT656 Input Data Bit 1

18 In RX0B_HMRX HDMI Rx Negative Data Channel 0

In BT656_D[2] BT656 Input Data Bit 2

19 In RX0_HMRX HDMI Rx Positive Data Channel 0

In BT656_D[3] BT656 Input Data Bit 3

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209-1000-018 Rev 1.21 2016-4-26 7

21 In RX1B_HMRX HDMI Rx Negative Data Channel 1

In BT656_D[4] BT656 Input Data Bit 4

22 In RX1_HMRX HDMI Rx Positive Data Channel 1

In BT656_D[5] BT656 Input Data Bit 5

24 In RX2B_HMRX HDMI Rx Negative Data Channel 2

In BT656_D[6] BT656 Input Data Bit 6

25 In RX2_HMRX HDMI Rx Positive Data Channel 2

In BT656_D[7] BT656 Input Data Bit 7 (MSB)

30 Out TX1B_DPTX DP Tx Lane 1 Negative Data

31 Out TX1_DPTX DP Tx Lane 1 Positive Data

34 Out TX0B_DPTX DP Tx Lane 0 Negative Data

35 Out TX0_DPTX DP Tx Lane 0 Positive Data

39 Out VGA_VSO VGA VSYNC Output

In/Out GPIO[7] General Purpose Input/Output

40 Out VGA_HSO VGA HSYNC Output

In/Out GPIO[6] General Purpose Input/Output

41 In I2SRX_WS WS of I2S Audio Input

In/Out GPIOL[2] General Purpose Input/Output

Default definition is backlight brightness control

42 In SPDIF_RX SPDIF Audio Input

In I2SDATA_RX Data of I2S Audio Input

In/Out GPIOL[1] General Purpose Input/Output

43 In I2SRX_CLK Input Clock of I2S Audio Input

In/Out GPIOL[3] General Purpose Input/Output

44 In/Out GPIOL[0] General Purpose Input/Output

46 In RSTB Chip Reset

Low to 0V for reset. Typical High level is 3.3V

47 In/Out DDC_SD_LDTX LVDS Transmitter DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

LVDS DDC receiver. This pin will require a pull-up 5.6 kΩ Resistor

to the desired voltage level.

48 Out DDC_SC_LDTX LVDS Transmitter DDC Clock Channel

This pin functions as the clock bus of the serial port to LVDS DDC

receiver. This pin will require a pull-up 5.6 kΩ Resistor to the desired

voltage level.

51 Out TTLTX_HS TTL Transmitter HSYNC Output

In/Out LVDSCG[1] General Purpose Input/Output

Default definition is LVDS Panel Selection control

Out VGA_HSYNC VGA HSYNC Output

52 Out TTLTX_VS TTL Transmitter VSYNC Output

In/Out LVDSCG[0] General Purpose Input/Output

Default definition is LVDS Panel Selection control

Out VGA_VSYNC VGA VSYNC Output

53 Out TTLTX_DE TTL Transmitter DE Output

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8 209-1000-018 Rev 1.21 2016-4-26

In/Out PWM_LDTX LVDS Transmitter PWM Output

54 Out TTLTX_D[0] TTL Transmitter Data Bit 0

In/Out ENPWR_LDTX LVDS Panel Power Enable Output

55 Out TTLTX_D[1] TTL Transmitter Data Bit 1

Out TXC2_LDTX LVDS Transmitter Positive Even Clock Channel

56 Out TTLTX_D[2] TTL Transmitter Data Bit 2

Out TXC2B_LDTX LVDS Transmitter Negative Even Clock Channel

57 Out TTLTX_D[3] TTL Transmitter Data Bit 3

Out TX7_LDTX LVDS Transmitter Positive Even Data Channel 3

58 Out TTLTX_D[4] TTL Transmitter Data Bit 4

Out TX7B_LDTX LVDS Transmitter Negative Even Data Channel 3

59 Out TTLTX_D[5] TTL Transmitter Data Bit 5

Out TX6_LDTX LVDS Transmitter Positive Even Data Channel 2

60 Out TTLTX_D[6] TTL Transmitter Data Bit 6

Out TX6B_LDTX LVDS Transmitter Negative Even Data Channel 2

61 Out TTLTX_D[7] TTL Transmitter Data Bit 7

Out TX5_LDTX LVDS Transmitter Positive Even Data Channel 1

62 Out TTLTX_D[8] TTL Transmitter Data Bit 8

Out TX5B_LDTX LVDS Transmitter Negative Even Data Channel 1

63 Out TTLTX_D[9] TTL Transmitter Data Bit 9

Out TX4_LDTX LVDS Transmitter Positive Even Data Channel 0

64 Out TTLTX_CLKO TTL Transmitter Clock Output

Out TX4B_LDTX LVDS Transmitter Negative Even Data Channel 0

70 Out TTLTX_D[10] TTL Transmitter Data Bit 10

Out TXC1_LDTX LVDS Transmitter Positive Odd Clock Channel

71 Out TTLTX_D[11] TTL Transmitter Data Bit 11

Out TXC1B_LDTX LVDS Transmitter Negative Odd Clock Channel

72 Out TTLTX_D[12] TTL Transmitter Data Bit 12

Out TX3_LDTX LVDS Transmitter Positive Odd Data Channel 3

73 Out TTLTX_D[13] TTL Transmitter Data Bit 13

Out TX3B_LDTX LVDS Transmitter Negative Odd Data Channel 3

74 Out TTLTX_D[14] TTL Transmitter Data Bit 14

Out TX2_LDTX LVDS Transmitter Positive Odd Data Channel 2

75 Out TTLTX_D[15] TTL Transmitter Data Bit 15

Out TX2B_LDTX LVDS Transmitter Negative Odd Data Channel 2

76 Out TTLTX_D[16] TTL Transmitter Data Bit 16

Out TX1_LDTX LVDS Transmitter Positive Odd Data Channel 1

77 Out TTLTX_D[17] TTL Transmitter Data Bit 17

Out TX1B_LDTX LVDS Transmitter Negative Odd Data Channel 1

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78 Out TTLTX_D[18] TTL Transmitter Data Bit 18

Out TX0_LDTX LVDS Transmitter Positive Odd Data Channel 0

79 Out TTLTX_D[19] TTL Transmitter Data Bit 19

Out TX0B_LDTX LVDS Transmitter Negative Odd Data Channel 0

80 Out TTLTX_D[20] TTL Transmitter Data Bit 20

In/Out STEREO_LRS General Purpose Input/Output

Default definition is Left/Right Eye Swap for 3D mode

81 Out TTLTX_D[21] TTL Transmitter Data Bit 21

In/Out STEREO_LBLK General Purpose Input/Output

Default definition is Left Eye Backlight Enable for 3D mode

82 Out TTLTX_D[22] TTL Transmitter Data Bit 22

In/Out STEREO_RBLK General Purpose Input/Output

Default definition is Right Eye Backlight Enable for 3D mode

83 Out TTLTX_D[23] TTL Transmitter Data Bit 23

In/Out STEREO_LRE General Purpose Input/Output

Default definition is Left/Right Eye Indicator for 3D mode

86 In/Out AUXN_DPTX DP Tx AUX CH Negative Data

87 In/Out AUXP_DPTX DP Tx AUX CH Positive Data

88 In/Out SPDM I2C Master Serial Port Data

If EEPROM is not included inside CH7038 then this pin functions as

the bi-directional data pin of the serial port to chip firmware and

HDCP Key EEPROM. This pin will require a pull-up 5.6 kΩ Resistor

to the desired voltage level. A pull-low resistor 10 kΩ to ground if

unused.

If EEPROM is included inside CH7038 then this pin can be

connected to Host I2C SC to burn EEPROM in production or in

evaluation.

89 Out SPCM I2C Master Serial Port Clock

If EEPROM is not included inside CH7038 then this pin functions as

the clock bus of the serial port to chip firmware and HDCP Key

EEPROM. This pin will require a pull-up 5.6 kΩ Resistor to the

desired voltage level. A pull-low resistor 10 kΩ to ground if unused.

If EEPROM is included inside CH7038 then this pin can be

connected to Host I2C SC to burn EEPROM in production or in

evaluation.

91 Out DDC_SC_VGA VGA DDC Clock Channel

This pin functions as the clock output pin of the serial port to VGA

DDC receiver. This pin will require a pull-up 5.6 kΩ Resistor to the

desired voltage level.

92 In/Out DDC_SD_VGA VGA DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

VGA DDC receiver. This pin will require a pull-up 5.6 kΩ Resistor to

the desired voltage level.

93 In SPC I2C Slave Serial Port Clock Input

This pin functions as the clock pin of the serial port. External pull-up

6.8 kΩ Resistor is required.

94 In/Out SPD I2C Slave Serial Port Data Input / Output

This pin functions as the bi-directional data pin of the serial port.

External pull-up 6.8 kΩ Resistor is required.

95 Out HPD_DPRX DisplayPort Receiver HPD Output

98 Out HMTXCB HDMI Transmitter Negative Clock Channel

99 Out HMTXC HDMI Transmitter Positive Clock Channel

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100 Out HMTX0B HDMI Transmitter Negative Data 0 Channel

101 Out HMTX0 HDMI Transmitter Positive Data 0 Channel

103 Out HMTX1B HDMI Transmitter Negative Data 1 Channel

104 Out HMTX1 HDMI Transmitter Positive Data 1 Channel

105 Out HMTX2B HDMI Transmitter Negative Data 2 Channel

106 Out HMTX2 HDMI Transmitter Positive Data 2 Channel

112 In DPRX0 DisplayPort Receiver Positive Lane 0

113 In DPRX0B DisplayPort Receiver Negative Lane 0

115 In DPRX1 DisplayPort Receiver Positive Lane 1

116 In DPRX1B DisplayPort Receiver Negative Lane 1

120 Out DAC2 VGA DAC Output

122 Out DAC1 VGA DAC Output

124 Out DAC0 VGA DAC Output

126 Out CVBS CVBS Output

127 In HPD_DPTX DP Tx HPD Input

132 In ISET VGA Output Current Set

This pin sets the DAC current. A 1 kΩ, 1% tolerance resistor should

be connected between this pin and ground using short and wide

traces.

134 In ATPG ATPG Enable (Internally pull-low)

Chip test pin. This pin should be pulled low with a 10 kΩ resistor in

the application.

136 Out I2STX_WS WS of I2S Audio Output

In/Out GPIOR[2] General Purpose Input/Output

Default definition is backlight brightness control

137 Out SPDIF_TX SPDIF Audio Output

Out I2SDATA_TX Data of I2S Audio Output

In/Out GPIOR[1] General Purpose Input/Output

138 Out I2STX_CLK Input Clock of I2S Audio Output

In/Out GPIOR[3] General Purpose Input/Output

139 Out I2STX_MCLK I2S Output Clock

I2STX_MCLK can be configured to be 128/256/384*Fs CMOS level

signal, typical 3.3 for high, 0 for low.

In/Out GPIOR[0] General Purpose Input/Output

140 Out DDC_SC_HMTX HDMI Transmitter DDC Clock Channel

This pin functions as the clock bus of the serial port to HDMI DDC

receiver. This pin will require a pull-up 1.8 kΩ Resistor to the desired

voltage level.

141 In/Out DDC_SD_HMTX HDMI Transmitter DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

HDMI DDC receiver. This pin will require a pull-up 1.8 kΩ Resistor

to the desired voltage level.

143 In TTLRX_DIN[23] TTL Receiver Data Input Bit 23

144 In TTLRX_DIN[22] TTL Receiver Data Input Bit 22

145 In TTLRX_DIN[21] TTL Receiver Data Input Bit 21

146 In TTLRX_DIN[20] TTL Receiver Data Input Bit 20

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147 In TTLRX_DIN[19] TTL Receiver Data Input Bit 19

148 In TTLRX_DIN[18] TTL Receiver Data Input Bit 18

In LVDSRX1[0] LVDS Receiver Positive Odd Data Channel 0

149 In TTLRX_DIN[17] TTL Receiver Data Input Bit 17

In LVDSRX1B[0] LVDS Receiver Negative Odd Data Channel 0

150 In TTLRX_DIN[16] TTL Receiver Data Input Bit 16

In LVDSRX1[1] LVDS Receiver Positive Odd Data Channel 1

151 In TTLRX_DIN[15] TTL Receiver Data Input Bit 15

In LVDSRX1B[1] LVDS Receiver Negative Odd Data Channel 1

152 In TTLRX_DIN[14] TTL Receiver Data Input Bit 14

In LVDSRX1[2] LVDS Receiver Positive Odd Data Channel 2

153 In TTLRX_DIN[13] TTL Receiver Data Input Bit 13

In LVDSRX1B[2] LVDS Receiver Negative Odd Data Channel 2

154 In TTLRX_DIN[12] TTL Receiver Data Input Bit 12

In LVDSRX1_CK LVDS Receiver Positive Odd Clock Channel

155 In TTLRX_DIN[11] TTL Receiver Data Input Bit 11

In LVDSRX1_CKB LVDS Receiver Negative Odd Clock Channel

156 In TTLRX_DIN[10] TTL Receiver Data Input Bit 10

In LVDSRX1[3] LVDS Receiver Positive Odd Data Channel 3

157 In TTLRX_DIN[9] TTL Receiver Data Input Bit 9

In LVDSRX1B[3] LVDS Receiver Negative Odd Data Channel 3

160 In TTLRX_CLKIN TTL Receiver Clock Input

In LVDSRX2[0] LVDS Receiver Positive Even Data Channel 0

161 In TTLRX_DIN[8] TTL Receiver Data Input Bit 8

In LVDSRX2B[0] LVDS Receiver Negative Even Data Channel 0

162 In TTLRX_DIN[7] TTL Receiver Data Input Bit 7

In LVDSRX2[1] LVDS Receiver Positive Even Data Channel 1

163 In TTLRX_DIN[6] TTL Receiver Data Input Bit 6

In LVDSRX2B[1] LVDS Receiver Negative Even Data Channel 1

164 In TTLRX_DIN[5] TTL Receiver Data Input Bit 5

In LVDSRX2[2] LVDS Receiver Positive Even Data Channel 2

165 In TTLRX_DIN[4] TTL Receiver Data Input Bit 4

In LVDSRX2B[2] LVDS Receiver Negative Even Data Channel 2

166 In TTLRX_DIN[3] TTL Receiver Data Input Bit 3

In LVDSRX2_CK LVDS Receiver Positive Even Clock Channel

167 In TTLRX_DIN[2] TTL Receiver Data Input Bit 2

In LVDSRX2_CKB LVDS Receiver Negative Even Clock Channel

168 In TTLRX_DIN[1] TTL Receiver Data Input Bit 1

In LVDSRX2[3] LVDS Receiver Positive Even Data Channel 3

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169 In TTLRX_DIN[0] TTL Receiver Data Input Bit 0

In LVDSRX2B[3] LVDS Receiver Negative Even Data Channel 3

171 In TTLRX_DE TTL Receiver DE Input

In LVDSRX_PWM General Purpose Input

172 In TTLRX_VSYNC TTL Receiver VSYNC Input

In LVDSRX_ENBLK General Purpose Input

173 In TTLRX_HSYNC TTL Receiver HSYNC Input

In LVDSRX_ENPW

R General Purpose Input

174 In/Out AUXN_RX DisplayPort Receiver Negative AUX CH

175 In/Out AUXP_RX DisplayPort Receiver Positive AUX CH

176 In XI Crystal Input / External Reference Input

A parallel resonance crystal should be attached between this pin and

XO. An external 3.3V CMOS compatible clock can drive the XI

Input.

12,23,38

,97,119,

123,133

Power AVCC_33 Analog Power Supply (3.3V)

13,20,36

,50,84,9

6,102,11

4,121,12

5,130,13

1,158

Power AVSS Analog Ground

14,15,26

,33,37,4

9,85,111

,,117,12

9

Power AVCC_12 Analog/DCORE Power Supply (1.2V)

27,32,66

,109,110

Power DVDD Digital Power Supply (1.2V)

28,29,68

,107,108

Power DGND Digital Ground

65,69,14

2,170

Power AVCC_IO LVDS /TTL Rx/Tx Analog Power Supply(1.8~3.3V)

While for LVDS configure, the power supply should be 3.3V

67 Power VDD_DDR DDR Power Supply (1.8V)

159 Power VDDQ_DDR DDR Power Supply (1.8V)

Table 2: BGA196 Pin Name Description

Pin # Type Symbol Description

A1 In XI Crystal Input / External Reference Input

A parallel resonance crystal should be attached between this pin

and XO. An external 3.3V CMOS compatible clock can drive the

XI Input.

A3 In TTLRX_DIN[1] TTL Receiver Data Input Bit 1

In LVDSRX2[3] LVDS Receiver Positive Even Data Channel 3

A4 In TTLRX_DIN[3] TTL Receiver Data Input Bit 3

In LVDSRX2_CK LVDS Receiver Positive Even Clock Channel

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A5 In TTLRX_DIN[5] TTL Receiver Data Input Bit 5

In LVDSRX2[2] LVDS Receiver Positive Even Data Channel 2

A6 In TTLRX_DIN[7] TTL Receiver Data Input Bit 7

In LVDSRX2[1] LVDS Receiver Positive Even Data Channel 1

A7 In TTLRX_CLKIN TTL Receiver Clock Input

In LVDSRX2[0] LVDS Receiver Positive Even Data Channel 0

A8 In TTLRX_DIN[10] TTL Receiver Data Input Bit 10

In LVDSRX1[3] LVDS Receiver Positive Odd Data Channel 3

A9 In TTLRX_DIN[12] TTL Receiver Data Input Bit 12

In LVDSRX1_CK LVDS Receiver Positive Odd Clock Channel

A10 In TTLRX_DIN[14] TTL Receiver Data Input Bit 14

In LVDSRX1[2] LVDS Receiver Positive Odd Data Channel 2

A11 In TTLRX_DIN[16] TTL Receiver Data Input Bit 16

In LVDSRX1[1] LVDS Receiver Positive Odd Data Channel 1

A12 In TTLRX_DIN[18] TTL Receiver Data Input Bit 18

In LVDSRX1[0] LVDS Receiver Positive Odd Data Channel 0

A14 In ISET VGA Output Current Set

This pin sets the DAC current. A 1 kΩ, 1% tolerance resistor

should be connected between this pin and ground using short and

wide traces.

B1 Out XO Crystal Output

A parallel resonance crystal should be attached between this pin

and XI. If an external CMOS clock is injected to XI, XO should be

left open.

B2 Out HPD_DPRX DisplayPort Receiver HPD Output

B3 In TTLRX_DIN[0] TTL Receiver Data Input Bit 0

In LVDSRX2B[3] LVDS Receiver Negative Even Data Channel 3

B4 In TTLRX_DIN[2] TTL Receiver Data Input Bit 2

In LVDSRX2_CKB LVDS Receiver Negative Even Clock Channel

B5 In TTLRX_DIN[4] TTL Receiver Data Input Bit 4

In LVDSRX2B[2] LVDS Receiver Negative Even Data Channel 2

B6 In TTLRX_DIN[6] TTL Receiver Data Input Bit 6

In LVDSRX2B[1] LVDS Receiver Negative Even Data Channel 1

B7 In TTLRX_DIN[8] TTL Receiver Data Input Bit 8

In LVDSRX2B[0] LVDS Receiver Negative Even Data Channel 0

B8 In TTLRX_DIN[9] TTL Receiver Data Input Bit 9

In LVDSRX1B[3] LVDS Receiver Negative Odd Data Channel 3

B9 In TTLRX_DIN[11] TTL Receiver Data Input Bit 11

In LVDSRX1_CKB LVDS Receiver Negative Odd Clock Channel

B10 In TTLRX_DIN[13] TTL Receiver Data Input Bit 13

In LVDSRX1B[2] LVDS Receiver Negative Odd Data Channel 2

B11 In TTLRX_DIN[15] TTL Receiver Data Input Bit 15

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In LVDSRX1B[1] LVDS Receiver Negative Odd Data Channel 1

B12 In TTLRX_DIN[17] TTL Receiver Data Input Bit 17

In LVDSRX1B[0] LVDS Receiver Negative Odd Data Channel 0

C3 In/Out GPIO[1] General Purpose Input/Output

C4 In TTLRX_HSYNC TTL Receiver HSYNC Input

In LVDSRX_ENPWR General Purpose Input

C5 In TTLRX_VSYNC TTL Receiver VSYNC Input

In LVDSRX_ENBLK General Purpose Input

C6 In TTLRX_DE TTL Receiver DE Input

In LVDSRX_PWM General Purpose Input

C10 In TTLRX_DIN[21] TTL Receiver Data Input Bit 21

C11 In TTLRX_DIN[22] TTL Receiver Data Input Bit 22

C12 In TTLRX_DIN[23] TTL Receiver Data Input Bit 23

C13 Out CVBS CVBS Output

C14 Out DAC0 DAC Output

D1 In RXC_HMRX HDMI Receiver Positive Clock Channel

In BT656_D[1] BT656 Input Data Bit 1

D2 In RXCB_HMRX HDMI Receiver Negative Clock Channel

In BT656_D[0] BT656 Input Data Bit 0 (LSB)

D3 In AS Serial Port Slave Device Address Selection

D4 In/Out IRQ General Purpose Input/Output

Default definition is interrupt to CH7038 Host

D5 In/Out AUXP_RX DisplayPort Receiver Positive AUX CH

D6 In/Out AUXN_RX DisplayPort Receiver Negative AUX CH

D9 In TTLRX_DIN[19] TTL Receiver Data Input Bit 19

D10 In TTLRX_DIN[20] TTL Receiver Data Input Bit 20

D11 Out I2S_WSO I2S Output Channel Select

CMOS level signal, typical 3.3 for high, 0 for low.

D12 In HPD_DPTX DisplayPort Transmitter HPD Input

D13 Out DAC1 DAC Output

D14 Out DAC2 DAC Output

E1 In RX0_HMRX HDMI Receiver Positive Data Channel 0

In BT656_D[3] BT656 Input Data Bit 3

E2 In RX0B_HMRX HDMI Receiver Negative Data Channel 0

In BT656_D[2] BT656 Input Data Bit 2

E3 In AVSS_PLL Analog ground

E4 In BT656_VS BT656 Input VSYNC

In/Out DDC_SD_HMRX HDMI Receiver DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

HDMI DDC receiver. This pin will require a pull-up 47 kΩ

Resistor to the desired voltage level.

E5 IN SDET_DPRX DisplayPort Receiver Detection

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E10 Out I2S_CLKO I2S Output Clock

CMOS level signal, typical 3.3 for high, 0 for low.

In/Out GPIOR[3] General Purpose Input/Output

Out SPDIF_DO0 SPDIF Data Output 0 for 8 CH mode

E11 Out I2S_DO I2S Data Output for 2 CH mode or I2S Data Output 0 for 8 CH

mode

CMOS level signal, typical 3.3 for high, 0 for low.

Out SPDIF_DO S/PDIF Data Output

In/Out GPIOR[1] General Purpose Input/Output

E12 In/Out GPIO[5] General Purpose Input/Output

F1 In RX1_HMRX HDMI Receiver Positive Data Channel 1

In BT656_D[5] BT656 Input Data Bit 2

F2 In RX1B_HMRX HDMI Receiver Negative Data Channel 1

In BT656_D[4] BT656 Input Data Bit 3

F3 In BT656_CLK BT656 Input Clock

F4 In BT656_HS BT656 Input HSYNC

In DDC_SC_HMRX HDMI Receiver DDC Clock Channel

This pin functions as the clock bus of the serial port to HDMI DDC

receiver. This pin will require a pull-up 47 kΩ Resistor to the

desired voltage level.

F6 In HPD_HMTX HDMI Transmitter HPD Input

F7 In/Out DDC_SD_HMTX HDMI Transmitter DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

HDMI DDC receiver. This pin will require a pull-up 1.8 kΩ

Resistor to the desired voltage level.

F8 Out DDC_SC_HMTX HDMI Transmitter DDC Clock Channel

This pin functions as the clock bus of the serial port to DDC

receiver. This pin will require a pull-up 1.8 kΩ Resistor to the

desired voltage level.

F9 In ATPG ATPG Enable

F11 Out I2S_MCLKO I2S Output Clock

I2S_MCLKO can be configured to be 128/256/384*Fs

CMOS level signal, typical 3.3 for high, 0 for low.

In/Out GPIOR[0] General Purpose Input/Output

Out SPDIF_DO3 SPDIF Data Output 3 for 8 CH mode (RevC Only)

F13 In DPRX1 DisplayPort Receiver Positive Lane 1

F14 In DPRX1B DisplayPort Receiver Negative Lane 1

G1 In RX2_HMRX HDMI Receiver Positive Data Channel 2

In BT656_D[7] BT656 Input Data Bit 0 (MSB)

G2 In RX2B_HMRX HDMI Receiver Negative Data Channel 2

In BT656_D[6] BT656 Input Data Bit 1

G4 In BT656_DE BT656 Input DE

Out HPD_HMRX HDMI Receiver HPD Output

G6 In BDIC Power Level Detection

Pull Low to disable 3.3V power level detection;

Pull High to enable 3.3V power level detection;

G9 In/Out GPIO[0] General Purpose Input/Output

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G11 In/Out GPIO[4] General Purpose Input/Output

Out I2S_DO1 I2S Data Output 1 for 8 CH mode

G13 In DPRX0 DisplayPort Receiver Positive Lane 0

G14 In DPRX0B DisplayPort Receiver Negative Lane 0

H6 In/Out BLUP General Purpose Input/Output

Default definition is LCD backlight brightness control

In MCLK_I2SIN Input I2S Clock

H9 In RESETB Chip Reset

Low to 0V for reset. Typical High level is 3.3V

H11 In/Out SPDM I2C Master Serial Port Data

If EEPROM is not included inside CH7038 then this pin functions

as the bi-directional data pin of the serial port to chip firmware and

HDCP Key EEPROM. This pin will require a pull-up 5.6 kΩ

Resistor to the desired voltage level. A pull-low resistor 10 kΩ to

ground if unused.

If EEPROM is included inside CH7038 then this pin can be

connected to Host I2C SC to burn EEPROM in production or in

evaluation.

J1 Out TX1B_DPTX DisplayPort Transmitter Lane 1 Negative Data

J2 Out TX1_DPTX DisplayPort Transmitter Lane 1 Positive Data

J6 In CLK_I2SIN Input Clock of I2S Input

In/Out GPIOL[3] General Purpose Input/Output

J7 In/Out GPIO[2] General Purpose Input/Output

J8 In/Out DDC_SD_LDTX LVDS Transmitter DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

LVDS DDC receiver. This pin will require a pull-up 5.6 kΩ

Resistor to the desired voltage level.

J9 Out DDC_SC_LDTX LVDS Transmitter DDC Clock Channel

This pin functions as the clock bus of the serial port to LVDS DDC

receiver. This pin will require a pull-up 5.6 kΩ Resistor to the

desired voltage level.

J13 Out HMTX2B HDMI Transmitter Negative Data 2 Channel

J14 Out HMTX2 HDMI Transmitter Positive Data 2 Channel

K1 Out TX0B_DPTX DisplayPort Transmitter Lane 0 Negative Data

K2 Out TX0_DPTX DisplayPort Transmitter Lane 0 Positive Data

K4 Out VGA_VSYNC VGA VSYNC Output

In/Out GPIO[7] General Purpose Input/Output

K5 Out VGA_HSYNC VGA HSYNC Output

In/Out GPIO[6] General Purpose Input/Output

K10 In SPC I2C Slave Serial Port Clock Input

This pin functions as the clock pin of the serial port. External

pull-up 6.8 kΩ Resistor is required.

K11 In/Out DDC_SD_VGA VGA DDC Data Channel

This pin functions as the bi-directional data pin of the serial port to

VGA DDC receiver. This pin will require a pull-up 5.6 kΩ Resistor

to the desired voltage level.

K13 Out HMTX1B HDMI Transmitter Negative Data 1 Channel

K14 Out HMTX1 HDMI Transmitter Positive Data 1 Channel

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L5 In WS_I2SIN WS of I2S Input

In/Out GPIOL[2] General Purpose Input/Output

L6 In DATA_I2SIN Data of I2S Input

In SPDIF_IN SPDIF Input

In/Out GPIOL[1] General Purpose Input/Output

L9 In/Out SPDM I2C Master Serial Port Data

If EEPROM is not included inside CH7038 then this pin functions

as the bi-directional data pin of the serial port to chip firmware and

HDCP Key EEPROM. This pin will require a pull-up 5.6 kΩ

Resistor to the desired voltage level. A pull-low resistor 10 kΩ to

ground if unused.

If EEPROM is included inside CH7038 then this pin can be

connected to Host I2C SC to burn EEPROM in production or in

evaluation.

L10 Out SPCM I2C Master Serial Port Clock

If EEPROM is not included inside CH7038 then this pin functions

as the clock bus of the serial port to chip firmware and HDCP Key

EEPROM. This pin will require a pull-up 5.6 kΩ Resistor to the

desired voltage level. A pull-low resistor 10 kΩ to ground if

unused.

If EEPROM is included inside CH7038 then this pin can be

connected to Host I2C SC to burn EEPROM in production or in

evaluation.

L11 Out DDC_SC_VGA VGA DDC Clock Channel

This pin functions as the clock bus of the serial port to VGA DDC

receiver. This pin will require a pull-up 5.6 kΩ Resistor to the

desired voltage level.

L13 Out HMTX0B HDMI Transmitter Negative Data 0 Channel

L14 Out HMTX0 HDMI Transmitter Positive Data 0 Channel

M2 Out TTLTX_HSYNC TTL Transmitter DE Output

Out VGA_HSYNC VGA HSYNC Output

In/Out LVDSCG[1] General Purpose Input/Output

Default definition is LVDS Panel Selection control

M3 Out TTLTX_VSYNC TTL Transmitter VSYNC Output

Out VGA_VSYNC VGA VSYNC Output

In/Out LVDSCG[0] General Purpose Input/Output

Default definition is LVDS Panel Selection control

M4 Out TTLTX_DE TTL Transmitter VSYNC Output

In/Out PWM_LDTX General Purpose Input/Output

Default definition is LVDS Panel PWM

M5 Out TTLTX_D[0] TTL Transmitter Data Bit 0

In/Out ENPWR_LDTX General Purpose Input/Output

Default definition is LVDS Panel Power Enable

M8 Out TTLTX_D[20] TTL Transmitter Data Bit 20

In/Out STEREO_LRS General Purpose Input/Output

Default definition is Left/Right Eye Swap for 3D mode

M9 Out TTLTX_D[21] TTL Transmitter Data Bit 21

In/Out STEREO_LBLK General Purpose Input/Output

Default definition is Left Eye Backlight Enable for 3D mode

M10 Out TTLTX_D[22] TTL Transmitter Data Bit 22

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In/Out STEREO_RBLK General Purpose Input/Output

Default definition is Right Eye Backlight Enable for 3D mode

M11 Out TTLTX_D[23] TTL Transmitter Data Bit 23

In/Out STEREO_LRE General Purpose Input/Output

Default definition is Left/Right Eye Indicator for 3D mode

M13 Out HMTXCB HDMI Transmitter Negative Clock Channel

M14 Out HMTXC HDMI Transmitter Positive Clock Channel

N1 Out TTLTX_D[1] TTL Transmitter Data Bit 1

Out TXC2_LDTX LVDS Transmitter Positive Even Clock Channel

Out DSD_DO0 DSD Audio (One Bit Audio) Output 0

N2 Out TTLTX_D[3] TTL Transmitter Data Bit 3

Out TX7_LDTX LVDS Transmitter Positive Even Data Channel 3

Out DSD_DO2 DSD Audio (One Bit Audio) Output 2

N3 Out TTLTX_D[5] TTL Transmitter Data Bit 5

Out TX6_LDTX LVDS Transmitter Positive Even Data Channel 2

Out DSD_DO4 DSD Audio (One Bit Audio) Output 4

N4 Out TTLTX_D[7] TTL Transmitter Data Bit 7

Out TX5_LDTX LVDS Transmitter Positive Even Data Channel 1

Out DSD_DO6 DSD Audio (One Bit Audio) Output 6

N5 Out TTLTX_D[9] TTL Transmitter Data Bit 9

Out TX4_LDTX LVDS Transmitter Positive Even Data Channel 0

Out DSD_WS DSD Audio (One Bit Audio) WS

N7 Out TTLTX_D[10] TTL Transmitter Data Bit 10

Out TXC1_LDTX LVDS Transmitter Positive Odd Clock Channel

N8 Out TTLTX_D[12] TTL Transmitter Data Bit 12

Out TX3_LDTX LVDS Transmitter Positive Odd Data Channel 3

N9 Out TTLTX_D[14] TTL Transmitter Data Bit 14

Out TX2_LDTX LVDS Transmitter Positive Odd Data Channel 2

N10 Out TTLTX_D[16] TTL Transmitter Data Bit 16

Out TX1_LDTX LVDS Transmitter Positive Odd Data Channel 1

N11 Out TTLTX_D[18] TTL Transmitter Data Bit 18

Out TX0_LDTX LVDS Transmitter Positive Odd Data Channel 0

P1 Out TTLTX_D[2] TTL Transmitter Data Bit 2

Out TXC2B_LDTX LVDS Transmitter Negative Even Clock Channel

Out DSD_DO1 DSD Audio (One Bit Audio) Output 1

P2 Out TTLTX_D[4] TTL Transmitter Data Bit 4

Out TX7B_LDTX LVDS Transmitter Negative Even Data Channel 3

Out DSD_DO3 DSD Audio (One Bit Audio) Output 3

P3 Out TTLTX_D[6] TTL Transmitter Data Bit 6

Out TX6B_LDTX LVDS Transmitter Negative Even Data Channel 2

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Out DSD_DO5 DSD Audio (One Bit Audio) Output 5

P4 Out TTLTX_D[8] TTL Transmitter Data Bit 8

Out TX5B_LDTX LVDS Transmitter Negative Even Data Channel 1

Out DSD_DO7 DSD Audio (One Bit Audio) Output 7

P5 Out TTLTX_CLK TTL Transmitter Clock Output

Out TX4B_LDTX LVDS Transmitter Negative Even Data Channel 0

Out DSD_CLK DSD Bit Clock Output

P7 Out TTLTX_D[11] TTL Transmitter Data Bit 11

Out TXC1B_LDTX LVDS Transmitter Negative Odd Clock Channel

P8 Out TTLTX_D[13] TTL Transmitter Data Bit 13

Out TX3B_LDTX LVDS Transmitter Negative Odd Data Channel 3

P9 Out TTLTX_D[15] TTL Transmitter Data Bit 15

Out TX2B_LDTX LVDS Transmitter Negative Odd Data Channel 2

P10 Out TTLTX_D[17] TTL Transmitter Data Bit 17

Out TX1B_LDTX LVDS Transmitter Negative Odd Data Channel 1

P11 Out TTLTX_D[19] TTL Transmitter Data Bit 19

Out TX0B_LDTX LVDS Transmitter Negative Odd Data Channel 0

P12 In/Out AUXN_DPTX DisplayPort Transmitter AUX CH Negative Data

P13 In/Out AUXP_DPTX DisplayPort Transmitter AUX CH Positive Data

P14 In/Out GPIO[3] General Purpose Input/Output

A2,B13,

P6

Power AVCC_IO LVDS /TTL Rx/Tx Analog Power Supply(1.8~3.3V)

While for LVDS configure, the power supply should be

3.3V

A13,C2,

F12,G12

,J4,L12

Power AVCC_33 Analog 3.3V Power Supply

B14,C9,

E13,H1,

H13,H1

4,L1,L2,

L3,M1,

M12,N1

2,N13

Power AVSS Analog ground

C1,E14,

K3,L4,N

14

Power AVCC_12 Analog 1.2V Power Supply

C7,C8,

D7,E6~

E9,F5,F

10,G5,G

7,G8,G1

0,H2~H

5,H7,H8

,H10,J5,

J10,J11,

K6~K9,

K12,L7,

L8,M7

Power DGND Digital Power Ground

D8,M6 Power VDD_DDR DDR Power supply(1.8V)

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G3,H12,

J3,J12,N

6

Power DVDD Digital Power Supply, 1.2V

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2.0 PACKAGE DIMENSION

J

F

G

C D

I

K

H

BA

BA

45

176

1

44

88

89

132

133 133

132

89

45

44

1

176

E

E

Exposed Pad

88

Figure 4: 176 pin LQFP package (20 x 20 mm)

Table of Dimensions

No. of Leads SYMBOL

176 (20 X 20 mm) A B C D E F G H I J K

Milli-

meters

MIN 21.80 19.90 0.35 0.13

6.50

1.35 0.05

1.00

0.45 0.9 0°

NOM 22.00 20.00 0.40 0.18 1.40 - 0.60 - 3.5°

MAX 22.20 20.10 0.45 0.23 1.45 0.15 0.75 0.20 7°

Notes:

Conforms to JEDEC standard JESD-30 MO-220.

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A1 Corner

( Top View )

A

BC

DEFG

HJ

123456789

A C

D

B

CD

( Bottom View )

A1 Ball Mark

HG

1011121314

KL

MNP

A

BC

DEFG

HJKL

MNP

1413121110987654321

E

S

S

A1 B115.0 M

08.0 M

F

A1

B1

S

0.0530.0 961

Figure 5: 196 Pin BGA Package (10x10 mm)

Table of Dimensions

No. of Leads SYMBOL

196 (10x10 mm) A B C D E F G H

Milli-

meters

MIN 9.90 9.90

8.45 0.65 0.78

REF

0.76 - 0.16

NOM 10.00 10.00 0.81 - 0.21

MAX 10.10 10.10 0.86 1.12 0.26

Notes:

1. All dimensions are in millimeters.

2. Solder ball dimension is post reflow diameter.

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3.0 REVISION HISTORY

Rev. # Date Section Description

1.0 2015.07.07 First Official Release

1.1 2015.07.22 2.0 Update the package information

1.11 2016.02.03 1.2 Update the ISET Pin Description

1.12 2016.02.23 1.2 Update the H6 Pin Description

1.2 2016.04.05 Order Information Update the Order Information

1.21 2016.04.26 1.2 Update the ATPG Pin Description

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Disclaimer

This document provides technical information for the user. Chrontel reserves the right to make changes at any time

without notice to improve and supply the best possible product and is not responsible and does not assume any liability

for misapplication or use outside the limits specified in this document. We provide no warranty for the use of our

products and assume no liability for errors contained in this document. The customer should make sure that they have

the most recent data sheet version. Customers should take appropriate action to ensure their use of the products does

not infringe upon any patents. Chrontel, Inc. respects valid patent rights of third parties and does not infringe upon or

assist others to infringe upon such rights.

Chrontel PRODUCTS ARE NOT AUTHORIZED FOR AND SHOULD NOT BE USED WITHIN LIFE SUPPORT

SYSTEMS OR NUCLEAR FACILITY APPLICATIONS WITHOUT THE SPECIFIC WRITTEN CONSENT OF

Chrontel. Life support systems are those intended to support or sustain life and whose failure to perform when used as

directed can reasonably expect to result in personal injury or death.

ORDERING INFORMATION

Part Number Package Type Operating Temperature Range Minimum Order Quantity

CH7038A-TF 176 ETQFP, Lead-free Commercial : 0C to 70C 60/Tray

CH7038A-GF 196 BGA, Lead-free Commercial : 0 to 70C 184/Tray

Chrontel Chrontel International Limited

129 Front Street, 5th floor, Hamilton, Bermuda HM12

www.chrontel.com E-mail: [email protected]

2016 Chrontel. All Rights Reserved. Printed in China.