- Category:
- SCM
- Tags:
-
[ASM]
[源码]
- File Size:
- 3.36kb
- Update:
- 2008-10-13
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- Uploaded by:
- xiaoyizcj
Description: Show the simulated keyboard instrumentation systems, using AT89S52 chip as a system CPU, system control buttons and display parts. With 8-phase three-state bidirectional bus transceiver 74LS245 chip-driven LED. 4X4 matrix keyboard system as an important part of human-computer interaction, single-chip microcomputer application system used to input data or control information, the design of 4X4 matrix keyboard key code corresponding to
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