Description: 8 common Yin digital tube clock, display 88-88-88 style, when normal travel time, two "-" 0.5 seconds flicker once. Adjust time: press KEY1 button for first minutes to flicker, press KEY2 for one minute plus 1, press KEY3 for one minute to reduce 1, long press plus plus minus. Press the KEY1 button for second hours to flicker, press KEY2 for one hour plus 1, press KEY3 for one hour to reduce 1, long press plus plus minus. Press KEY1 button third times, seconds from zero to accumulate, the clock back to normal travel time; When the time is first adjusted, the minutes are 1 minutes longer than the reference time. Look at the seconds of reference time to 59 and press the KEY1 button for third times. Simulation objects are passed. 11.0592MHz crystal oscillator, STC89C52RC, two 74HC573 latches for bit selection, Duan Xuan.

Filename	Size	Update
时钟\DS1302数码管时钟(状态机按键处理)源码.txt	12025	2017-04-25
时钟\shizhong.DSN	140037	2017-04-25
时钟\shizhong状态机.hex	4828	2017-04-25
时钟	0	2017-04-25

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