V A R - E X T - C B 1 0 3 R E V 1 . 0
E X T E N S I O N B O A R D
3.1.4
Extension Header J9 – SPI, MMC & ADC
PIN
#
VAR
‐
SOM
‐
OM35
Signal
Name
VAR
‐
SOM
‐
MX25
Signal
Name
1
VIO
VIO
2
MsSPI2_CLK
CSPI_CLK
3
MMC1_CD
MMC1_CD
4
MsSPI2_SIMO
CSPI_MOSI
5
MMC1_CLKO
MMC1_CLKO
6
MsSPI2_SOMI
CSPI_MISO
7
MMC1_CMD
MMC1_CMD
8
MsSPI2_CS0
CSPI_CS0
9
MMC1_DAT0
MMC1_DAT0
10
GPIO28
GPIO3_16
11
MMC1_DAT1
MMC1_DAT1
12
McBSP1_CLKR
NC
13
MMC1_DAT2
MMC1_DAT2
14
McBSP1_FSR
GND
15
MMC1_DAT3
MMC1_DAT3
16
McBSP1_DX
SSI5_STXD
17
KPD.R4
GPIO4[8]
18
McBSP1_DR
SSI5_SRXD
19
HP_LOUT
HP_LOUT
20
McBSP1_FSX
SSI5_STXFS
21
HP_ROUT
HP_ROUT
22
McBSP1_CLKX
SSI5_SCK
23
CODEC_AUXADC1
CODEC_AUXADC1
24
KPD.C4
NC
25
CODEC_AUXADC2
CODEC_AUXADC2
26
KPD.C5
NC
27
AGND
#N/A
28
PWM0
LCD_CONTRAST
29
GND
GND
30
RESET_OUT_N
RESET_OUT
10 Data Sheet Rev 1.0
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