IO
M
U
X
E
xt
er
n
a
ls
ig
n
a
ls
a
n
d
p
in
m
u
lti
p
le
xin
g
C
o
n
n
ec
tC
o
re
®
8X
S
ys
te
m
-o
n
-M
o
d
u
le
H
a
rd
w
a
re
R
ef
er
en
ce
M
a
n
u
a
l
4
6
Castellated
pad #
Associated
LGA Pad
name
ConnectCore 8X
signal name
i.MX 8X pin name*
Multiplexing
Power group
Comments
9
K1
USDHC1_DATA3
USDHC1_DATA3
ALT0:
USDHC1_DATA3
ALT1:
NAND_ALE
ALT2:
UART3_RTS_B
ALT3:
ALT4:
GPIO4_IO28
VDD_USDHC1
10
L1
USDHC1_CLK
USDHC1_CLK
ALT0:
USDHC1_CLK
ALT1:
ALT2:
UART3_RX
ALT3:
ALT4:
GPIO4_IO23
VDD_USDHC1
11
M1
GND
-
-
-
12
N1
VDD_USDHC1
-
-
VDD_USDHC1
13
P1
UART0_TX
UART0_TX
ALT0:
UART0_TX
ALT1:
MQS_L
ALT2:
FLEXCAN0_TX
ALT3:
ALT4:
GPIO1_IO22
3V3
14
R1
UART0_RX
UART0_RX
ALT0:
UART0_RX
ALT1:
MQS_R
ALT2:
FLEXCAN0_RX
ALT3:
ALT4:
GPIO1_IO21
3V3
15
T1
GND
-
-
-
16
U1
VDD_MIPI_DSI_DIG
-
-
VDD_MIPI_DSI_DIG