- Category:
- SCM
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[WORD]
- File Size:
- 136kb
- Update:
- 2015-01-08
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- Uploaded by:
- 毛毛
Description: Use keil software. SCM AT89C51 microcontroller with electronic clock timer/counter T0 produce a second timing, as the seconds counting time, when a second generation, plus a second count. 00-00-00 show time starts counting at boot: P1.0 Control add (plus) adjustment count is incremented each time you press 1 P1.1 control minute (minus) adjusted each time count by 1 P1.2 control Shift adjustment, the first key press is controlled seconds or days plus a second button press control points or month plus a third button is pressed control or years plus 1. When the timing is full 23-59-59, 00-00-00 re-timing return. P1.4 used the reset button, the timer process if the reset button is pressed, it returns 00-00-00 re-timing. P1.3 used as a toggle key, press the switch button to switch to display the date.
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