Description: Single chip parallel port expansion, only use to solve the matrix P0 mouth keyboard and digital tube working at the same time. Want to specific principle diagram may contact me
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按键_总线\out\main.obj
.........\...\STARTUP.obj
.........\...\按键_总线
.........\...\按键_总线.lnp
.........\...\按键_总线.plg
.........\src\main.c
.........\...\main.lst
.........\...\STARTUP.lst
.........\...\按键_总线.m51
.........\STARTUP.A51
.........\按键_总线.Opt
.........\按键_总线.plg
.........\按键_总线.Uv2
.........\按键_总线_Opt.Bak
.........\out
.........\src
按键_总线
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