- Category:
- SCM
- Tags:
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[Text]
- File Size:
- 1kb
- Update:
- 2015-04-01
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- Uploaded by:
- 徐爽
Description:
8051 P1 port assumed external matrix keyboard, matrix keyboard column line (Y0-Y3) sister SCM P1.0-P1.3, while southbound (X0-X3) received P1.4-P1.7. P2.0 connected light-emitting diodes. According to the size of the key to make the appropriate number of LED flashes.
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4键盘程序设计.txt
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