AT89C2051 clock program timer T0, T1 overflow cycle 50MS, T0 seconds count for use, T1 for adjustment by blinking, P3.7 to adjust button, P1 population characters output, using a total of Yang shows.

实例2
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.....\...\123
.....\...\123.lnp
.....\...\123.M51
.....\...\123.Opt
.....\...\123.plg
.....\...\123.Uv2
.....\...\123_Uv2.Bak
.....\...\2.obj
.....\2.asm
.....\2.BAK
.....\2.BIN
.....\2.HEX
.....\2.LST

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