华为GSM模块 - EM310产品描述

华为GSM/GPRS模块硬件产品描述

EM310 GSM模块 产品描述

目 录

1 EM310 GSM模块总体介绍.......................................................................................................1-1

1.1 本章概述......................................................................................................................................................1-1 1.2 EM310 GSM模块功能................................................................................................................................1-1 1.3 EM310 GSM模块应用框图........................................................................................................................1-1 1.4 缩略语..........................................................................................................................................................1-2

2 接口说明.......................................................................................................................................2-4

2.1 本章概述......................................................................................................................................................2-4 2.2 信号连接器接口..........................................................................................................................................2-4

2.2.1 接口信号............................................................................................................................................2-4 2.3 天线接口......................................................................................................................................................2-7

2.3.1 天线接口电路.....................................................................................................................................2-7

3 接口电气特性...............................................................................................................................3-1

3.1 本章概述......................................................................................................................................................3-1 3.2 极限应用条件..............................................................................................................................................3-1 3.3 推荐应用条件..............................................................................................................................................3-2 3.4 电源特性......................................................................................................................................................3-2

3.4.1 输入电源............................................................................................................................................3-2 3.4.2 工作电流............................................................................................................................................3-2 3.4.3 开机流程............................................................................................................................................3-3

4 接口使用.......................................................................................................................................4-1

4.1 本章概述......................................................................................................................................................4-1 4.2 UART接口...................................................................................................................................................4-1 4.3 SIM卡接口...................................................................................................................................................4-2 4.4 Audio接口....................................................................................................................................................4-3 4.5 电源接口......................................................................................................................................................4-4 4.6 USB总线......................................................................................................................................................4-4 4.7 状态指示管脚..............................................................................................................................................4-5

4.7.1 BUZZER管脚电路.............................................................................................................................4-5 4.7.2 LPG管脚电路.....................................................................................................................................4-5

华为GSM/GPRS模块硬件产品描述

EM310 GSM模块

产品描述

4.8 接口顺序......................................................................................................................................................4-5

5 结构...............................................................................................................................................5-1

5.1 概述..............................................................................................................................................................5-1 5.2 EM310外形尺寸..........................................................................................................................................5-2 5.3 B2B连接器外形尺寸...................................................................................................................................5-2

华为GSM/GPRS模块硬件产品描述

EM310 GSM模块 产品描述

1.1 本章概述

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