Table Of Contents - YUGE CLM920 TD3 Usage Manual

CLM920 TD3 LTE Module Hardware Usage Guide
Chapter 1 Introduction............................................................................................................- 9 -
Chapter 2 Module review..................................................................................................... - 10 -
2.1 Module introduction............................................................................................... - 10 -
2.2 Module characteristics............................................................................................- 10 -
2.3 Module function..................................................................................................... - 14 -
Chapter 3 Interface application description..........................................................................- 16 -
3.1 Chapter overview....................................................................................................- 16 -
3.2 Module interface.....................................................................................................- 17 -
3.2.1 144-pin LCC interface.................................................................................- 17 -
3.2.2 Interface definition...................................................................................... - 17 -
3.3 Power interface.......................................................................................................- 28 -
3.3.1 Power supply design....................................................................................- 28 -
3.3.2 Power reference circuit................................................................................- 29 -
3.3.3 VDD_SDIO 1.8V/2.85V Voltage output..................................................... - 31 -
3.3.4 VDD_EXT 1V8 Voltage output...................................................................- 31 -
3.4 Switching machine reset mode...............................................................................- 31 -
3.4.1 Boot............................................................................................................. - 31 -
3.4.2 Boot timing..................................................................................................- 32 -
3.4.3 Power down................................................................................................. - 33 -
3.4.4 Reset control................................................................................................- 33 -
3.5 USB interface......................................................................................................... - 34 -
3.6 UART interface...................................................................................................... - 36 -
3.6.1 Main serial port............................................................................................- 36 -
3.6.2 Debug serial port......................................................................................... - 38 -
3.6.3 RI and DTR interface.................................................................................. - 38 -
3.7 USIM interface....................................................................................................... - 39 -
3.7.1 USIM card reference circuit........................................................................ - 40 -
3.7.2 UIM_DET Hot Swap Reference Design..................................................... - 41 -
3.8 General purpose GPIO interface............................................................................ - 41 -
3.9 Network status indication interface........................................................................ - 42 -
3.10 Module status indication.......................................................................................- 43 -
3.11 PCM digital voice interface..................................................................................- 44 -
3.12 I2C bus................................................................................................................. - 45 -
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Contents
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