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
5
7
Castellated
pad #
Associated
LGA Pad
name
ConnectCore 8X
signal name
i.MX 8X pin name*
Multiplexing
Power group
Comments
87
F29
MCLK_IN0
MCLK_IN0
ALT0:
MCLK_IN0
ALT1:
ESAI0_RX_HF_CLK
ALT2:
LCDIF_VSYNC
ALT3:
SPI2_SDI
ALT4:
GPIO0_IO19
3V3
88
E29
MCLK_IN1
MCLK_IN1
ALT0:
MCLK_IN1
ALT1:
I2C3_SDA
ALT2:
LCDIF_EN
ALT3:
SPI2_SCK
ALT4:
LCDIF_D17
3V3
89
F28
SPI3_CS1
SPI3_CS1
ALT0:
SPI3_CS1
ALT1:
I2C3_SCL
ALT2:
LCDIF_RESET
ALT3:
SPI2_CS0
ALT4:
LCDIF_D16
3V3
90
E28
SPI3_SCK
SPI3_SCK
ALT0:
SPI3_SCK
ALT1:
ALT2:
LCDIF_D13
ALT3:
ALT4:
GPIO0_IO13
3V3
91
E27
SPI3_SDO
SPI3_SDO
ALT0:
SPI3_SDO
ALT1:
ALT2:
LCDIF_D14
ALT3:
ALT4:
GPIO0_IO14
3V3
92
C24
SPI3_SDI
SPI3_SDI
ALT0:
SPI3_SDI
ALT1:
ALT2:
LCDIF_D15
ALT3:
ALT4:
GPIO0_IO15
3V3