Do it yourself, for STC microcontroller, power download program, only need to put in front of a program I wrote to your code, you can download the STC download through continuous electrical ISP software, measured very good, download the program will not stop the power-off, without very much trouble.

串口不断电下载程序\M0
串口不断电下载程序\M0.c
串口不断电下载程序\M0.lnp
串口不断电下载程序\M0.LST
串口不断电下载程序\M0.M51
串口不断电下载程序\M0.OBJ
串口不断电下载程序\M0.plg
串口不断电下载程序\M0.uvopt
串口不断电下载程序\M0.uvproj
串口不断电下载程序\M0_uvopt.bak
串口不断电下载程序\M0_uvproj.bak
串口不断电下载程序\uart.c
串口不断电下载程序\uart.h
串口不断电下载程序\uart.LST
串口不断电下载程序\uart.OBJ
串口不断电下载程序

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