CLM920 TD3 LTE Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
- 24 -
Pin
Pin definition
IO
Functional description
Remarks
44
ADC1
AI
General analog to digital
conversion
please keep it floating
when not in use
45
ADC0
AI
General analog to digital
conversion
please keep it floating
when not in use
RF interface
Pin
Pin definition
IO
Functional
description
Remarks
35
ANT_DIV
AI
Diversity
antenna
50
Ω
characteristic impedance(please
keep it floating when not in use)
47
ANT_GNSS
AI
GNSS
antenna
50
Ω
characteristic impedance(please
keep it floating when not in use)
49
ANT_MAIN
IO
Main
antenna
50
Ω
characteristic impedance
WLAN interface
Pin
Pin definition
IO
Functional description
Remarks
127
PM_ENABLE
DO
Power enable
please keep it floating
when not in use
129
SDC1_DATA3
IO
Data bus DATA3
please keep it floating
when not in use
130
SDC1_DATA2
IO
Data bus DATA2
please keep it floating
when not in use
131
SDC1_DATA1
IO
Data bus DATA1
please keep it floating
when not in use
132
SDC1_DATA0
IO
Data bus DATA0
please keep it floating
when not in use
133
SDC1_CLK
DO
WLAN clock
please keep it floating
when not in use
134
SDC1_CMD
IO
WLAN command
please keep it floating
when not in use
136
WLAN_EN
DO
WLAN enable
please keep it floating