- Category:
- assembly language
- Tags:
-
- File Size:
- 14kb
- Update:
- 2017-11-14
- Downloads:
- 3 Times
- Uploaded by:
- 吕静
Description: Use 8253 and 8259 chip to realize the function of real-time electronic clock; use 8255 control seven segment digital tube to complete the timing scanning display. When the display format is XX, XX minutes XX seconds, every 1s, the time value changed once. Button SHIFT can choose time, minutes, seconds, button CTRL can be selected time, minutes, seconds added 1, hours added to 23 after 0, minutes, seconds to 59 after 0
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电子钟.docx
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