LPM2100 bg NB Module Hardware Usage Guide
Shanghai Yuge Information Technology Co., Ltd.
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5
SPI_CLK
DO
Serial clock signal
IO voltage domain
6
SPI_CS
DO
Chip select signal
IO voltage domain
ADC function pin
21
ADC
AI
Universal analog to digital
converter interface
IO voltage domain
Universal input and output interface
35
GPIO_14
IO
Universal input/output port
31
GPIO_15
IO
Universal input/output port
Antenna interface
53
RF_ANT
IO
RF antenna interface
50
Ω
characteristic
impedance
Other function pins
10
V_RTC
PO
Output supply voltage
Provide 1.1V
voltage domain
17
WAKEUP
(PSM_EINT)
PI
Hardware control PSM pull
high wake up
1.1V voltage
domain
34
WAKEUP_O
UT
DO
Wake up host
Reserved
1,7,8,9,11,12,
13,14,24,25,3
6,44,49,50,55
,56,57,58,67,
68,69,70,75,7
6,77,78,79,80
,84,85,86,87,
88,89,90,91
NC
NC
Leave empty when
not in use
2,43,47,48,51
,52,54,59,60,
61,62,63,64,
65,66,71,72,
73,74,81,82,
83,92,93,94,
95,96,97,98
GND
Ground signal
