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LPM2100 bg NB Module Hardware Usage Guide
Chapter 3. Interface application description
3.1 Chapter overview
The LPM2100 bg series modules have a total of 98 pins and include the following partial
unit interface functions. The functions of each unit interface will be described in detail in later
chapters.
Power interface
USIM interface
UART interface
Network status indication interface
SPI interface
RF antenna interface
I2C interface
3.2 Module interface
3.2.1 LPM2100 bg pin distribution map
LPM2100 bg pin assignments are as follows：
Figure 3-1 LPM2100 bg pin assignment diagram
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