Hardware Documentation efus™A9X+ efus™A9Xr2
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J1
Pin Use on base board
I/O
Remarks; onboard pullups
1.12->
1.20
change
27
GND
PWR
28
SD_A_CLK
O5*#
X
29
CAN_A_TX
O5*
30
GND
PWR
31
CAN_A_RX
I*
32
SD_A_DAT0
I/O*#
X
33
GND
PWR
34
SD_A_DAT1
I/O *#
X
35
CAN_B_TX
O5*
36
NC
37
CAN_B_RX
I*
38
NC
39
GND
PWR
40
NC
41
MPCIE_CTX_P
Odiff #
42
NC
43
MPCIE_CTX_N
Odiff #
44
NC
45
GND
PWR
46
GND
PWR
47
MPCIE_CRX_P
Idiff #
48
EXT_PROG
49
MPCIE_CRX_N
Idiff #
50
SPI_B_MISO
I*
51
GND
PWR
52
SPI_B_MOSI
O5*
53
MPCIE_CLK_P
Odiff #
54
SPI_B_SPCK
O5*
55
MPCIE_CLK_N
Odiff #
56
SPI_B_CS1
O5*
57
GND
PWR
58
SPI_B_CS2
O5*
59
MPCIE_PERST
O5 #