- Category:
- SCM
- Tags:
-
[ASM]
[源码]
- File Size:
- 4kb
- Update:
- 2012-11-26
- Downloads:
- 0 Times
- Uploaded by:
- hutushen8
Description: PCF8574KEY20.ASM 20 key scan plus six digital display of experimental procedure B: R1, stored scan line of key value: the value of each line were the first key# 0,# 4,# 8,# 12 (a total of four lines) R2, storing the number of PB I get scanned. R5, store scan out keys:# 0,# 1,# 2,# 3 (Total 4)
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