![MEIG SLM 320 Design Manual Download Page 22](http://html1.mh-extra.com/html/meig/slm-320/slm-320_design-manual_1765894022.webp)
MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
21/89
124
SPILCD_SDC
O
1.8V/3.0V
SPILCD_SDC
125
SPILCD_SI/O
I/O
1.8V/3.0V
SPILCD_SI/O
If not, please suspend
this pin
126
UART2_RTS
I
VILnom=0V
VIHnom=1.8V
Module clear send
If not, please suspend
this pin
127
RESERVED
RESERVED
128
RESERVED
RESERVED
129
SD1_DATA3
I/O
1.8V/3.0V
SD1_DATA3
If not, please suspend
this pin
130
SD1_DATA2
I/O
1.8V/3.0V
SD1_DATA2
If not, please suspend
this pin
131
SD1_DATA1
I/O
1.8V/3.0V
SD1_DATA1
If not, please suspend
this pin
132
SD1_DATA0
I/O
1.8V/3.0V
SD1_DATA0
If not, please suspend
this pin
133
SD1_CLK
O
1.8V/3.0V
SD1_CLK
If not, please suspend
this pin
134
SD1_CMD
O
1.8V/3.0V
SD1_CMD
If not, please suspend
this pin
135
RESERVED
RESERVED
136
SYS_STATE
I
Reserve data pin of
camera
If not used, suspend this
pin
137
UART3_RXD
I
VILnom=0V
VIHnom=1.8V
UART3_ RXD,
If not used, suspend this
pin
138
UART3_TXD
O
VOLnom=0V
VOHnom=1.8V
UART3_ TXD,
If not used, suspend this
pin
139
REF_CLK
O
Reserve CLK of camera
Configurable as GPIO
If not used, suspend this
pin
140*
RESERVED
RESERVED