| ??? 02/10/03 15:58 Read: times |
#38708 - RE: 89c51 port default value problem Responding to: ???'s previous message |
CLR is a bit instruction except when used with Accumulator. If you want to reset or clear a specific port pin you need to specify it specifically:
CLR P0.0 ; Force P0.0 low I'm not sure what CLR 90h does since the bit addressable area ranges from 00h to 7Fh. Hal |
| Topic | Author | Date |
| 89c51 port default value problem | 01/01/70 00:00 | |
| RE: 89c51 port default value problem | 01/01/70 00:00 | |
| RE: 89c51 port default value problem | 01/01/70 00:00 | |
| RE: 89c51 port default value problem | 01/01/70 00:00 | |
| RE: 89c51 port problem / A Picture | 01/01/70 00:00 | |
| RE: 89c51 port default value problem | 01/01/70 00:00 | |
| RE: 89c51 port default value problem | 01/01/70 00:00 | |
RE: 89c51 port default value problem | 01/01/70 00:00 |