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CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
- 22 -
68 RXD
DI
Serial data reception
Keep empty when not in use
Debug serial port
11 DBG_RXD
DI
Serial data reception
Keep empty when not in use
12 DBG_TXD
DO Serial data transmission
Keep empty when not in use
USIM interface
Pin Pin definition IO
Functional description
Remarks
13 USIM_DET
DI
USIM card detection
Don't leave it empty
14 USIM_VDD
PO
USIM card power supply
Module automatically recognizes
1.8V or 3V USIM card
15 USIM_DATA IO
USIM card data
16 USIM_CLK
DO USIM card clock
17 USIM_RST
DO USIM card reset
GPIO pin
Pin Pin definition
IO
Functional description
Remarks
1
WAKEUP_IN
DI
Sleep mode control
2
AP_READY
DI
Sleep state detection
Keep empty when not in use
3
GPIO_1
IO
This pin function has
not been defined
RESERVE, please keep it floating
4
W_DISABLE# DI
Flight mode control
Keep empty when not in use
5
GPIO_2
IO
This pin function has
not been defined
RESERVE, please keep it floating
Module status indication interface
Pin Pin definition
IO
Functional description
Remarks
6
NET_STATUS
OD Module work network
status light indication
Keep empty when not in use
61 STATUS
DO Module running status
indication
Keep empty when not in use
PCM interface