- Category:
- SCM
- Tags:
-
[WORD]
- File Size:
- 44.78kb
- Update:
- 2008-10-13
- Downloads:
- 0 Times
- Uploaded by:
- yang83jue
Description: be reversible four preset counter use AT89S51 SCM P1.0- P1.3 then made 4 LED L1- L4, used to indicate the current count data; with P1.4- P1.7 as preset data input and then flicking a switch four K1- K4. with P3.6/WR P3.7/RD ports and then two touch switches, used for counting and increases by counting Switches
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