atk-sim900a gsm(gprs)模块用户手册_v1.0

《atk-sim900a gsm(gprs)模块用户手册_v1.0》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ATK-SIM900A用户手册UserManual高性能GSM/GPRS模块用户手册修订历史版本日期原因V1.002013/05/09第一次发布ALIENTEKATK-SIM900A用户手册高性能GSM/GPRS模块目录1.特性参数....................................................................................................................12.使用说明..................................

2、..................................................................................32.1模块简介...........................................................................................................................32.2模块硬件资源详解................................................

3、...........................................................52.2.1GSM模块(U2).........................................................................................................52.2.2RTC后备电池(BAT1)...........................................................................

4、..............52.2.3麦克风(MIC)/耳机接口(PHONE)..........................................................................52.2.4RS232选择接口(P3)...............................................................................................52.2.5RS232串口(RS232_COM).....................

5、................................................................52.2.6锂电池接口(P6)......................................................................................................52.2.7电源输入接口(DC_IN).........................................................................

6、.................52.2.8电源指示灯(PWR).................................................................................................62.2.9电源开关(K1).........................................................................................................62.2.10翻盖式SIM卡座(U4).....

7、.....................................................................................62.2.11SMA天线接口(J1)................................................................................................62.2.12开机/关机按键(PWR_KEY)...................................................

8、.............................62.2.13网络状态指示灯(NET_STA).....................................