Description: The top three shows a digital stopwatch, from 000 to 999 to 1 of the second speed run, a separate keyboard when you press the stopwatch stopped, let go after the stopwatch continues to run. (Design table with a timer). In the last question, based on the realization of the keyboard with the other three independent when pressed the first time to stop, when the second start time, press the third is clear from the beginning counts. Followed by pressing the keyboard matrix 16 is displayed on the digital square of 1-16. Press 1 if the first display, the second display 4 ...
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例程\lesson5_1
....\lesson5_1.c
....\lesson5_1.hex
....\lesson5_1.lnp
....\lesson5_1.LST
....\lesson5_1.M51
....\lesson5_1.OBJ
....\lesson5_1.Opt
....\lesson5_1.plg
....\lesson5_1.Uv2
....\lesson5_2.c
....\lesson5_2.LST
....\lesson5_2.OBJ
....\lesson5_3.c
....\lesson5_3.LST
....\lesson5_3.OBJ
例程
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