MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
20/89
If not, please suspend
this pin
84
KEYOUT1
O
VOLnom=0V
VOHnom=1.8V
Keyboard matrix input
signal
If not, please suspend
this pin
85-112
GND
G
GND
113
MIC_P1
I
VOLnom=0V
VOHnom=1.8V
If not, please suspend
this pin
114
MIC_N1
I
VOLnom=0V
VOHnom=1.8V
If not, please suspend
this pin
115
USB_BOOT
I
VILnom=0V
VIHnom=1.8V
USB_ BOOT
And VDD_ Ext short
circuit into emergency
download mode
It can be
reused as
keyin0
116
NC(ZSP_UART_
TXD)
Reserved pin, default NC
The module is
internally
connected
with ZSP_
UART_ TXD
117
CLK26M_OUT
O
CLK26M_OUT
If not, please suspend
this pin
118
NC(PSM_EXT_I
NT)
NC
The module is
internally
connected
with PSM_
EXT_ Int,
default
NC
119
LCD_FMARK
O
1.8V/3.0V
LCD_FMARK
If not, please suspend
this pin
120
LCD_RSTB
O
1.8V/3.0V
LCD_RSTB
If not, please suspend
this pin
121
SPILCD_SEL
O
1.8V/3.0V
SPILCD_SEL
If not, please suspend
this pin
122
SPILCD_CS
O
1.8V/3.0V
SPILCD_CS
If not, please suspend
this pin
123
SPILCD_CLK
O
1.8V/3.0V
SPILCD_CLK
If not, please suspend
this pin