C8051F120 serial communication, a command format, a time-out detection, a checksum function, use the PLL to enhance the system frequency. Tested. A port and use the documentation, project files complete, portable convenience. Use the following function: UART RS232 PLL GPIO Timer

Template\Main.lst
........\Main.obj
........\STARTUP.A51
........\Template.plg
........\Template
........\Template_uvproj.bak
........\T2_16bitReloadTimer.lst
........\Template.uvopt
........\Template.uvgui.wzw
........\Template_uvopt.bak
........\Template.uvgui_wzw.bak
........\Code\System\Ports.c
........\....\......\SystemIni.h
........\....\......\Watchdog.c
........\....\......\Unused\Oscillatol_PLL.c
........\....\......\......\T2_16bitReloadTimer.c
........\....\......\......\InternalOscillatol_PLL.c
........\....\......\......\Timer4.c
........\....\......\Unused
........\....\......\OSC_PLL_UART0.c
........\....\......\Timer3.c
........\....\System
........\....\Main.c
........\....\程序说明.txt
........\....\c8051F120.h
........\Code
........\Template.lnp
........\Template.M51
........\Template.hex
........\Template.uvproj
........\ExtDll.iex
Template

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