| ??? 09/11/04 05:10 Read: times |
#77244 - RE: Port0 cannot emit high level Responding to: ???'s previous message |
IF i cannot use prot 0 to emit high signals ,then can i use port 1 for columns and port 2 for rows?
Yes, very easily, unless you use external memory, of course. Kai |
| Topic | Author | Date |
| matrix keyboard interfacing to 8051 | 01/01/70 00:00 | |
| RE: matrix keyboard interfacing to 8051 | 01/01/70 00:00 | |
| Schematic, code, and test the circuit | 01/01/70 00:00 | |
| RE: Schematic, code, and test the circuit | 01/01/70 00:00 | |
| RE: Schematic, code, and test the circuit | 01/01/70 00:00 | |
| RE: Schematic, code, and test the circuit | 01/01/70 00:00 | |
| Port0 cannot emit high level | 01/01/70 00:00 | |
| RE: Port0 cannot emit high level | 01/01/70 00:00 | |
RE: Port0 cannot emit high level | 01/01/70 00:00 | |
| Debugging time | 01/01/70 00:00 | |
| RE: matrix keyboard interfacing to 8051 | 01/01/70 00:00 | |
| RE: LEDs and UART debug | 01/01/70 00:00 | |
| ALE vs LED | 01/01/70 00:00 | |
| RE: ALE vs LED | 01/01/70 00:00 | |
| Flow chart | 01/01/70 00:00 |