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Datasheet for 16x2 LCDs
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APPROVAL SHEET
PRODUCT : LCD Module
MODEL NO : 16 *2
JE-AN ELECTRONICS CO.,LTD
PREPARED CHECKED APPROVED
CUSTOMER
PREPARED CHECKED APPROVED
11. 05. 2004
Rm.1221,Byucksan Digital Valley2, 481-10,Kasan-dong,Keumchun-ku,seoul,Korea 153-080
http://www.jeanlcd.co.kr Tel : +82-2-857-6515 (3Line)
E-Mail:[email protected] Fax : +82-2-857-6517
E-Mail:[email protected]
JE-AN Electronics Co., Ltd.
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CONTENTS
1. Featues --------------------------------------------------------------- 1
2. Mechanical Specification ------------------------------------------ 1
3. Electrical Specification
3-1. Absolute Maximum Ratings ----------------------------- 1
3-2. Electrical Characteristics -------------------------------- 2
4. Characteristics of Backlighting
4-1. Absolute Maximum Ratings ----------------------------- 3
4-2. Opto-Electronic Characteristics ------------------------ 3
4-3. LED Circuit Diagram ------------------------------------- 3
5. Electro-Optical Characteristics --------------------------------- 4
6. Pin Assignment ----------------------------------------------------- 5
7. Block Diagram ------------------------------------------------------ 6
8. Power Supply Block Diagram --------------------------------- 6
9. Timing Characteristics ------------------------------------------ 7
10. Instruction Sets
10-1. Instructions ------------------------------------------------- 8
10-2. Initializing By Instruction --------------------------------- 9-
10-3. DD Ram Address ------------------------------------------ 10
11. Character Font Table ------------------------------------------ 11
12. External Dimension ------------------------------------------ 12
JE-AN Electronics
1. Features ● Display mode : STN / TN , Positive/Negrtive type display
● Display format : 16 Characters x 2 Lines
● Driving method : 1/16 Duty, 1/4 Bias
● Viewing direction : 6 O`clock/12 O'clock ● Back lighting : LED / EL unit
2. Mechanical SpecificationsItem Specification Unit
Module Size (W x H x T) 80.0 x 36.0 x 15.0(10) Max. mm
Viewing Area (W x H0 64.5 x 13.8 mm
Character Font (W x H) 5.0 x 7.0 dots
Character Size (W x H) 2.95 x 3.8 mm
Character Pitch (W x H) 3.65 x 5.05 mm
Dot Size (W x H) 0.55 x 0.5 mm
Weight About 100 g
3. Electrical Specifications 3-1. Absolute Maximum ratings
Item SymbolValue
Unit Condition RemarksMin. Typ. Max.
Supply Logic VDD -0.3 - +70 V Ta = 25℃
Voltage LCD VDD-V0 VDD-15.0 - VDD+0.3 V Ta = 25℃
Input voltage V1 -0.3 - VDD+0.3 V Ta = 25℃
Operating temp. Topr 0 - +50 ℃ -
Storage temp. Tstg -20 - +70 ℃ -
JE-AN Electronics 1
3-2. Electrical Characteristics
VDD = +5V ±10%, VSS = 0V, Ta = 0℃ ~ 50℃
Item SymbolSpec. Value
Unit ConditionMin. Typ. Max.
Logic VDD-VSS 4.5 5.0 5.5 V -
LCD VDD-V0
- 4.7 - VTa = -30℃
Supply Θ = 10。 , Φ = 0。
Voltage 4.2 4.4 4.6 VTa = 25℃
Θ = 10。 , Φ = 0。
- 4.1 - VTa = 85℃
Θ = 10。 , Φ = 0。
Logic IDD - 0.4 0.6 mASupply VDD = 5V ±10%
CurrentLCD I0 - 1.0 1.5 mA
VSS = 0V
Ta = 25℃
PowerPD - 500 - mWConsumption
Input VoltageVIH 2.2 - VDD V -"HIGH" Level
Input VoltageVIL -0.3 - 0.6 V -"LOW" Level
Output VoltageVOH 2.4 - - V -"HIGH" Level
Output VoltageVOL - - 0.4 V -"LOW" Level
FrameFf - 84.3 - Hz FOSC = 270KHzFrequency
OscillationFOSC 125 270 350 Hz ROSC = 91㏀±2%Frequency
JE-AN Electronics 2
4. Characteristics of Backlighting (LED Unit)
4-1. Absolute maximum ratingsItem Symbol Condition Min. Max. Unit
Forward Current IF Ta = 25℃ - 480 mA
Reverse Voltage VR Ta = 25℃ - 10 V
Power Dissipation PD Ta = 25℃ - 2160 mW
4-2. Opto-electric CharacteristicsItem Symbol Condition Min. Typ. Max. Unit
Forwars Voltage VF Ta = 25℃ - 4.1 4.5 V
Luminous - IF = 110mA 70 - - Cd /㎡
4-3. LED Circuit Diagram
A ( +4.1V )
LED CircuritK
JE-AN Electronics 3
5. Electro - Optical CharacteristicsItem Symbol Min. Typ. Max. Unit Condition Note
Viewing Θ2 - Θ1 50 60 -deg. Cr = 2 1,2
Angle Φ ±35 -
ContrastCr 3 5 - -
Θ = 20。3
Ratio Θ = 0。
ResponseTr - 150 250 ms
Θ = 20。4
Time (rise) Θ = 0。
ResponseTf - 150 250 ms
Θ = 20。4
Time (full) Θ = 0。
● Above data are measured under 1/16 Duty STN Yellow/Green mode Ta= 25。
● Θ = 0 means viewing direction
JE-AN Electronics 4
Y1=( =0° )
X1 X2
2 1
Top
Bottom
Y2=( =180° )
θ θ
2.0
Cr < 3<
φ = 0°
Note 1. Definition of angle and Note 2. Definition of viewing angle 1 and 2
100% 0%B
A
SetPoint Voltage
Driving0%
Brig
htne
ss
SelectedDots
Non-selectedDots
Note 3. Definition of contrast Cr Note 4. Definition of optical response
Cr=(A/B) P Negative : P = -1Positive : P = +1{
Brig
htne
ss
Time
100% 90%
Tr Tf
OnOff Off
θ θ
3 = 20°φ = 90°
3 = 0°
6. Pin Assignment
Pin No. Symbol Level Function
1 VSS (GND) 0 V Ground
2 VDD (VCC) + 5V Logic Supply Voltage
3 V0 - LCD Driving Voltage
4 RS H / L H : Data Input L : Instruction Input
5 R / W H / L H : Data Read L : Data Write
6 E H, H → L Enable Signal
7 DB0 H / L
Data Bus Line
8 DB1 H / L
9 DB2 H / L
10 DB3 H / L
11 DB4 H / L
12 DB5 H / L
13 DB6 H / L
14 DB7 H / L
15 NC -
16 NC -
JE-AN Electronics 5
7. Block Diagram
8.Power Supply Block Diagram
JE-AN Electronics 5
LSI x 1CONTROL
VDD
VO
VSS
DDV - VO
VR VDD
+5V
DDV - V : LCD Driving VoltageO
CONTROLLSI x 1
VSSVDD Vo RS
R/W E
8DB7
DB0
~
LCD PANEL
SEGMENT DRIVER x 1
COM16
SEG40 SE
G40
4
KA BACKLIGHT UNIT
9. Timing CharacteristicsVDD = +5V ±10%, VSS = 0V, Ta = -30℃ ~ +85℃
Item SymbolValue
UnitMin. Typ. Max.
Enable Cycle Time Fig 1, 2 TCYC 500 - - ns
Enable Pulse Width, High Level Fig 1, 2 PWEH 220 - - ns
Enable Rise and Fall Time Fig 1, 2 tER, tEF - - 25 ns
Address Setup Time, RS, R/w, E Fig 1, 2 TAS 40 - - ns
Data Delay Time Fig 2 TD - - 120 ns
Data Setup Time Fig 1 TDSW 60 - - ns
Data Hold Time Fig 1 TH 10 - - ns
Data Hold Time Fig 2 TDH 20 - - ns
Address Hold Time Fig 1, 2 TAH 10 - - ns
JE-AN Electronics 7
FIG.1 Write Operation (MPU -> LCD MODULE)VIH
ILV
t AS
ILV
IHV
tAH
ILV IHV
V IL ILV
IHV V IL ILV
t EF
AHtPWEH
t DSW Ht
IHV
IHV
IHV
IHVValid Data
ErV
cyct
RS
R/W
E
DB0
DB7
V IL
IH
DB0
DB7
EVEr
ILV V
t cyc
Valid Data
t
IH
IH
V
VD
PWEH
t
VIH
DH
VIH
IHV
EFt
V IL
AHt
VIL
FIG.2 Read Operation (LCD MODULE -> MPU)
R/W
RSVIH
ASt
ILV
IHV
AHt
V IL
10. Instruction Sets10-1. Instruction
DD RAM : Display Data RAM
CG RAM : Character Generator RAM
ACG : CG RAM Address
ADD : CG RAM Address : Corresponds
to cursor Address
AC : Address counter used for both
DD and CG RAM Address
● : No Effect ( Don`t Care )
JE-AN Electronics
43 ㎲
37 ㎲
37 ㎲
43 ㎲
ADD
ACG
AC
Read1 1
1 0
1 BF
0 0 1
*
0 0 0 1
*
0 0 0 0 1 DL N F *
B
0 0 0 0 0 1 S/C R/L *
SH
0 0 0 0 0 0 1 D C
0 0 1 I/D0 0 0 0
0 0 0 10 0 0 0
0 0 0 0
DD Ram
0
0
0
Address
Write Data
to CG or
DD Ram
0
Read Busy
Flag and
Read Data
From CG or
Set CG Ram
Address
Set DD Ram
Address
Display
Shift
Function
Set
Display
On/Off
Cotrol
Cusor or
Return
Home
Entry mode
Set
Code
Description
1.52 ms
1.52 ms
10 0 0 0
DB1 DB0
Returns display being shifed*
DB5 DB4 DB3 DB2RS R/W DB7 DB6
8
Execution
Time(Max)
Fosc is
270KHz
37 ㎲
37 ㎲
37 ㎲
37 ㎲
0 ㎲
DL
N
F
Instruction
I/D
SH
S/C
Remarks
Clear
Display
BF
1
1
1
1
1
1
1
1
R/L
8 Bits
2 Lines
5 x 11 Dots
Internally Operating
Increment
Entire Shift on
Display Shift
Shift to the Right
0 Decrement
0 Entire Shift off
0 Cursor move
0 Shift to the Left
0 4 Bits
0 1 Lines
0 5 x 8 Dots
0 Can accept instruction
10-2. Initializing by InstructionIf the power supply conditions for correctly operating the internal reset circuit are not met,Initilization by instruction is required.Use the Following procedure for initilization.
10-2-1. When Interface Is 8 Bits Long : Condition : fosc = 270KHz
Display Off
Display Clear
Entry Mode Set
0 Entire shift off
1 Entire shift on
0 Decrement mode
1 Increment mode
F0 Display off
1 Display on
N0 1-Line Mode.
1 2-Line Mode.
Display off
Display on
Cursor off
Cursor on
0
1
0
1
Initialization End.
D
C
B
I/D
SH
DB1 DB0
0 0
0
1
Blink off
Blink on
DB5 DB4 DB3 DB2RS RW DB7 DB6
0 1
Wait for more then 1.53us
Entry Mode Set
DB1 DB0
0 0 0 0 0 0 0 0
DB5 DB4 DB3 DB2RS RW DB7 DB6
B
Wait for more then 39us
DB0
0 0 0 0 0 0 1 D C
After VDD Rises to 4.5V
Wait for more then 39us
Display ON / OFF Control
RS RW DB7 DB6 DB5
DB0
* *0 0 1 1 L F
Power On
Display Clear
RS RW
0 0
Function Set
Wait for more then 30ms
DB7 DB6
9JE-AN Electronics
I/D SH0 10 0 0 0
DB1
DB5 DB4 DB3 DB2 DB1
DB4 DB3 DB2
9-2-2. When interface is 4 Bits Long : Condition : fosc = 270KHz
Display Off
Display Clear
Entry Mode Set
9-3. DD RAM Address
Display position
DD RAM Address
( Hexadecimal )
Increment mode
SH0 Entire shift off
1 Entire shift on
I/D0 Decrement mode
1
B0 Blink off
1 Blink on
Display off
1 Display on
C0 Cursor off
1 Cursor on
D0
1
0
1
Initialization Ends.
N
F
0
0 0 0
1-Line mode
2-Line mode
Display off
Display on
Power On
1 0
0 0 N F * *
0
DB4
0 0 0
0
RW DB7 DB6 DB5
1 D C B
Display ON / OFF Control
Wait for more then 39us
1
0 0 0 0
0
0 0
0 0 0 0
DB5
I/D SH
Entry Mode Set
0 0 0 0
RS
0
4F40 41 42 43 44 45 46 47 48 4B 4C 4D 4E
07 0C 0D 0E03 04 05 061-Line 00 01 02
13 14 15 169 10 11 12
0
Digit 1 2 3 4 5 6 7 8
0 0
DB7
0 0 1
RW DB6 DB4
0
Display Clear
RS RW DB7 DB6 DB5
0
0
Wait for more then 39us
DB4
0 0 0 0
0
1
Wait for more then 30ms
After VDD Rises to 4.5V
RS RW DB7 DB6 DB5 DB4
Function Set
RS
10
08 09 0A
49 4A
JE-AN Electronics
0F
2-Line
0B
11. Character Font Table
JE-AN Electronics 11
Upper4bit
Lower4bit
LLLL LLHL LLHH LHLL LHLH LHHL LHHHHLLL HLLH HLHL HLHHHHLL HHLHHHHLHHHH
LLLL
LLLH
LLHL
LLHH
LHLL
LHLH
LHHL
LHHH
HLLL
HLLH
HLHL
HLHH
HHLL
HHLH
LLLLHHHL
HHHH
CGRAM(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(1)
(8)
(5)
(7)
(6)
(4)
(3)
(2)
LLLH
12. External Dimension
JE-AN Electronics 12
PIN
NO
.
SIG
NAL
1 VSS
2 VD
D
3 Vo
4 RS
5 R/W
6 E
7 DB
0
8 DB
1
9 DB
2
10
DB
3
11
DB
4
12
DB
5
13
DB
6
14
DB
7
15
A
16
K(G
ND
)(V
)
CC
1
16
64.5
±0.3
71.3
±0.3
57.7
80.0
±0.5
75. 0
±0.3
38. 1
(p2.5
4x 1
5)
5.5
±0.3
2.5
±0.5
K
5.0
16
15
A
4-R
0.5
38. 0
5±
0.3
1.6
±0.2
15.8±0.3
36.0±0.5
31.0±0.3
26.3±0.3
2.5±0.3
16- 1.0
2.5±0.5
4- 2.5
15.0
MAX
9.0
±0.4
15
16
13.8±0.3
9.4
K A
0.0
5
0.7
2.9
5
0.5
5
5.0
0.74.35
0.50.05