- Category:
- Com Port
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[ASM]
[源码]
- File Size:
- 63kb
- Update:
- 2012-11-26
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- 庄剑文
Description: Microcomputer Experiment 1, the preparation process: 8253 counter 0 and counter two of the input clock frequency divider, a period of 1 second square wave, the square wave control buzzer alarm signal, but also logic input pin to pen up the inspection program is correct. 2, 8253, to write a clock program.
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