© Copyright 2011 by e-Gizmo Mechatronix Central
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gizDuino compatible card shield for SD/MMC card read and write applications. Two card sockets al-lows user applications to work on two SD/MMC at a time. Uncommited I/O pin gives user the freedom to assign I/O to his/her liking.
SD/MMC Shield
Hardware Manual Rev 1r0
FEATURES •2availableCardSockets •SolderableExtensionPortsForProtoyping withothermicrocontrollers •SolderableI/OPort •ResetButton
© Copyright 2011 by e-Gizmo Mechatronix Central
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SD/MMC Shield Datasheet Version 1
MAJOR COMPONENTS PRESENTATION
Figure 1. SD/MMC Shield & its major components with details.
© Copyright 2011 by e-Gizmo Mechatronix Central
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PIN ASSIGNMENTS
SD/MMC Shield Datasheet Version 1
Figure 2. JP5 Uncomitted I/O Port with Port I.D.
I.D. DescriptionCD2 CardDetectSwitch(CardSlot2)CS2 ChipSelect(CardSlot2)GND GroundCLK SerialClockDO SerialDataOutDI SerialDataInCS1 ChipSelect(CardSlot1)CD1 CardDetectSwitch(CardSlot1)
Table 1. JP5 Uncomitted I/O Port with Port I.D. details
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1 2 3 4 5 6 7 8
JP3
HEA
DER 8
1 2 3 4 5 6 7 8
JP4
HEA
DER 8
0 1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5 6
JP2
HEA
DER 6
123456
JP1
HEA
DER 6
VIN
S1Reset
GN
DG
ND
+5V
RESET
A0
A1
A2
A3
A4
A5
AREF
+3.3V
DAT3/CS1
CMD/DI2
Vss13
Vcc4
CLK5
Vss26
DAT0/DO7
DAT18
DAT29
CD10
WP11
GN
D12
SDC1
SDC
R1010k
R12
10k
R1315k
R15
10k
R1615k
CS1DI
CLK
D0
CS1D
ICLK
1311
4
R14
1k
12
D0
12345678
JP5H
EAD
ER 8
+C1220uF/50V
VD
D
+C2
470uF/10V
Vin
3
GND2
+5V1
U1
RT9163
3.3 V
C30.1uF
1 2 3
S2HEA
DER 3
+5V
VIN
VD
D
J2J3
J4J5
R2100kR3
100kR410k
R5100k
CD1
CD2
GN
D
DAT3/CS1
CMD/DI2
Vss13
Vcc4
CLK5
Vss26
DAT0/DO7
DAT18
DAT29
CD10
WP11
GN
D12
SDC2
SDC
CS2DI
CLK
D0
VD
D
CD2
R810k
CS2
10J1
R1270
D1
Green
R18750
D3
orange
R17
750
D2
orange
VD
D
VD
D
R6100k
R710k
VD
D
CD1
VD
D
C40.1uF
D4
DIO
DE SCH
OTTK
Y
VD
DV
DD
D5
DIO
DE SCH
OTTK
Y
J6CD
1
J7CD
2
Figure 3. Schem
atic Diagram
of SD
/MM
C S
hield
SD/MMC Shield Datasheet Version 1
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PCB BOARD PRESENTATION
Figure 5. SD/MMC Shield PCB Copper Pattern (Top Layer)
Figure 6. SD/MMC Shield PCB Copper Pattern (Bottom Layer)
Figure 4. SD/MMC Shield PCB (silkscreen layout)
SD/MMC Shield Datasheet Version 1