Description: Implementation of the program features:
1, design a direct indication of " seconds" " ms" electronic stopwatch. (00- 59S) (00- 99ms)
2, when K1 = 1, the start time, time range of 00 00 ~ 59 99
3, when K1 = 0, stop time, to retain the time value of
4 shows, when time to reach 59 m 99, the stop the clock, flashing (light one second, off 1 second)
5, when K2 = 1, the display clear, when K2 = 0, the allowed time
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EDAdesignof electronic stopwatch.txt
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