Module Pin Description - YUGE LPM2100 bg Series Usage Manual

LPM2100 bg NB Module Hardware Usage Guide
① SIM card port level supports 1.8V and 3.0V。
② This module defines that the NC pin is floating and must not be used.
③ The module WAKEUP (PSM_EINT) pin voltage domain is 1.1V.

3.2.2. Module pin description

The module interface pin definition is described below：
Symbol sign
IO
PI
PO
AI
AO
DI
DO
Pin Pin name
Powered by
45,46 VBAT
26 VDD_EXT
System switch control
15 RESET
SIM interface
16 SIM_DECT* DI
Shanghai Yuge Information Technology Co., Ltd.
Table 3-1 Pin Parameter Abbreviations
Description
Input or output
Power input
Power Output
Analog input
Analog output
Digital input
Digital output
Table 3-2 Interface definition
IO Functional description
PI Module power supply
PO Internal regulated power
supply output 1.8V or 2.8V
(software can be
customized, default 1.8V)
DI Hardware reset control,
active low
SIM card hot plug detection
Remarks
Input voltage
3.1~4.2V
(Low voltage
version: 2.45~4.2V)
IO voltage domain
supply
Internal level has
been pulled up
- 10 -