使用STC89c58RD+系列单片机控制手机收发短信息的原理、硬件电路、PDU数据格式和短信息发送/接收程序，同时给出了一个应用实例。GSM采用的是西门子的TC35i,包括RS232串行接口,单片机采用STC89c58RD+，内部扩展RAM

Packet : c51-gsm.rar filelist
temp.txt
1602_lcd.c
at24c02.c
delayms.asm
delayms.LST
delayms.OBJ
key_process.c
main.c
main.LST
main.OBJ
readms
readms.plg
readms.hex
readms.lnp
readms.M51
readms.Opt
readms.Uv2
readms_Opt.Bak
readms_Uv2.Bak
shizhong.c
STARTUP.A51
STARTUP.lst
STARTUP.obj
tc35i.c

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