52单片机定时器中断，外部中断，串口
..................................\T0定时器模式1查询方式LED
..................................\........................\STARTUP.A51
..................................\........................\STARTUP.LST
..................................\........................\STARTUP.OBJ
..................................\........................\timer0 cLED
..................................\........................\timer0 cLED.c
..................................\........................\timer0 cLED.hex
..................................\........................\timer0 cLED.lnp
..................................\........................\timer0 cLED.LST
..................................\........................\timer0 cLED.M51
..................................\........................\timer0 cLED.OBJ
..................................\........................\timer0 cLED.Opt
..................................\........................\timer0 cLED.plg
..................................\........................\timer0 cLED.Uv2
..................................\........................\timer0 cLED1.c
..................................\........................\timer0 cLED1.LST
..................................\........................\timer0 cLED1.OBJ
..................................\........................\timer0 cLED_Opt.Bak
..................................\........................\timer0 cLED_Uv2.Bak
..................................\T0定时器计数模式数码显示
..................................\........................\STARTUP.A51
..................................\........................\STARTUP.LST
..................................\........................\STARTUP.OBJ
..................................\........................\timer0 jishu.c
..................................\........................\timer0 jishu.LST
..................................\........................\timer0 jishu.OBJ
..................................\........................\timer0 shuma
..................................\........................\timer0 shuma.c
..................................\........................\timer0 shuma.hex
..................................\........................\timer0 shuma.lnp
..................................\........................\timer0 shuma.LST
..................................\........................\timer0 shuma.M51
..................................\........................\timer0 shuma.OBJ
..................................\........................\timer0 shuma.Opt
..................................\........................\timer0 shuma.plg
..................................\........................\timer0 shuma.Uv2
..................................\........................\timer0 shuma_Opt.Bak
..................................\........................\timer0 shuma_Uv2.Bak
..................................\T1定时器查询法和中断法控制蜂鸣1KHZ
..................................\..................................\STARTUP.A51
..................................\..................................\STARTUP.LST
..................................\..................................\STARTUP.OBJ
..................................\..................................\timtr1 c fmq
..................................\..................................\timtr1 c fmq.c
..................................\..................................\timtr1 c fmq.hex
..................................\..................................\timtr1 c fmq.lnp
..................................\..................................\timtr1 c fmq.LST
..................................\..................................\timtr1 c fmq.M51
..................................\..................................\timtr1 c fmq.OBJ
..................................\..................................\timtr1 c fmq.opt.bak
..................................\..................................\timtr1 c fmq.plg
..................................\..................................\timtr1 c fmq.Uv2.bak
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