Contents
About This Document ................................................................................. vii
Scope ................................................................................................................................................ vii
Audience ........................................................................................................................................... vii
Change History.................................................................................................................................. vii
Conventions ...................................................................................................................................... vii
Related Documents .......................................................................................................................... viii
1 Safety Recommendations ........................................................................ 9
2 Introduction ............................................................................................ 10
2.1 Overview .................................................................................................................................... 10
2.2 Block Diagram ............................................................................................................................. 11
2.3 Basic Features ........................................................................................................................... 12
3 Module Pins ........................................................................................... 14
3.1 Pin Layout .................................................................................................................................. 14
3.2 Pin Description ........................................................................................................................... 15
4 Application Interfaces ............................................................................. 18
4.1 Power Interface .......................................................................................................................... 18
4.1.1 V_MAIN ............................................................................................................................. 18
4.2 Control Interfaces ....................................................................................................................... 19
4.2.1 PON_RESET ..................................................................................................................... 20
4.2.2 WAKE/DTR ........................................................................................................................ 21
4.3 Peripheral Interfaces .................................................................................................................. 21
4.3.1 USB ................................................................................................................................... 21
4.3.2 UART ................................................................................................................................. 22
4.3.3 USIM .................................................................................................................................. 24
4.3.4 I2C ..................................................................................................................................... 25
4.4 PCM Interface ............................................................................................................................ 26
4.5 Other Functional Interfaces ........................................................................................................ 27
4.5.1 W_DISABLE ...................................................................................................................... 27
4.5.2 LED_WWAN ...................................................................................................................... 27
4.5.3 RING .................................................................................................................................. 28
4.6 Antenna Interface ....................................................................................................................... 29
4.7 RF Connector ............................................................................................................................. 31
5 Electric Feature and Reliability ............................................................... 32
5.1 Electric Features ........................................................................................................................ 32
5.2 Temperature Features ................................................................................................................ 33
5.3 ESD Protection ........................................................................................................................... 33
6 RF Features ........................................................................................... 34
6.1 Operating Bands ........................................................................................................................ 34
6.2 TX Power and RX Sensitivity ..................................................................................................... 35