51配套程序，需要配合转换板使用
..............................\1-IO端口输出
..............................\............\io.c
..............................\............\io.LST
..............................\............\io.OBJ
..............................\............\IO输出
..............................\............\IO输出.hex
..............................\............\IO输出.M51
..............................\............\IO输出.Opt
..............................\............\IO输出.plg
..............................\............\IO输出.Uv2
..............................\............\IO输出_Opt.Bak
..............................\10-定时器2
..............................\..........\tim2.c
..............................\..........\tim2.LST
..............................\..........\tim2.OBJ
..............................\..........\tim2.Opt
..............................\..........\tim2.Uv2
..............................\..........\tim2_Opt.Bak
..............................\..........\提名
..............................\..........\提名.hex
..............................\..........\提名.M51
..............................\..........\提名.plg
..............................\11-外部中断0电平触发
..............................\....................\中断
..............................\....................\中断.c
..............................\....................\中断.hex
..............................\....................\中断.LST
..............................\....................\中断.M51
..............................\....................\中断.OBJ
..............................\....................\中断.Opt
..............................\....................\中断.plg
..............................\....................\中断.Uv2
..............................\....................\中断_Opt.Bak
..............................\12-外部中断0边沿触发
..............................\....................\中断
..............................\....................\中断.c
..............................\....................\中断.hex
..............................\....................\中断.LST
..............................\....................\中断.M51
..............................\....................\中断.OBJ
..............................\....................\中断.Opt
..............................\....................\中断.plg
..............................\....................\中断.Uv2
..............................\....................\中断_Opt.Bak
..............................\13-外部中断1
..............................\............\中断
..............................\............\中断.c
..............................\............\中断.hex
..............................\............\中断.LST
..............................\............\中断.M51
..............................\............\中断.OBJ
..............................\............\中断.Opt
..............................\............\中断.plg
..............................\............\中断.Uv2
..............................\............\中断_Opt.Bak
..............................\14-矩阵键盘
..............................\...........\keyboard
..............................\...........\keyboard.c
..............................\...........\keyboard.hex
..............................\...........\keyboard.LST
..............................\...........\keyboard.M51
..............................\...........\keyboard.OBJ
..............................\...........\keyboard.Opt
..............................\...........\keyboard.plg
..............................\...........\keyboard.Uv2
..............................\...........\keyboard_Opt.Bak
..............................\15-液晶LCM1602
..............................\..............\lcd1602
..............................\..............\lcd1602.c
..............................\..............\lcd1602.hex
..............................\..............\lcd1602.LST
..............................\..............\lcd1602.M51
..............................\..............\lcd1602.OBJ
..............................\..............\lcd1602.