| ??? 02/18/04 13:26 Read: times |
#65017 - RE: 8051/8255 interfacing Responding to: ???'s previous message |
hi,
you need to read a datasheet once again. Indeed, MOVX to external memory modifyes P0 (and P2) ports` pins but for time while this command is executed only. After it is done then ports restore previous state. It is the reason why Keil simulator does show you nothing. Regards, Oleg |
| Topic | Author | Date |
| 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: Altera PLD example (image) | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| more | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| RE: 8051/8255 interfacing | 01/01/70 00:00 | |
| Direct LCD to 8051 !! | 01/01/70 00:00 | |
| RE: Direct LCD to 8051 !! | 01/01/70 00:00 | |
| RE: Direct LCD to 8051 !! | 01/01/70 00:00 | |
RE: Direct LCD to 8051 !! | 01/01/70 00:00 |