| ??? 09/09/02 18:19 Read: times |
#28918 - RE: 89C51RD2 and external \\\\\\\\\\\\\\\'memory\\ |
thanks for the fast reaction.
I have tried to toggle A15 and A11 with setb and clr. This works. The controller is running normally. I have also a buzzer on my PCB and it is working. ALE is there etc. The Wr and Rd pins are at P3 which don\'t need pullups. It seems to me something is going wrong with the adressing. |
| Topic | Author | Date |
| 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \\\\\\\\\\\\\\\'memory\\ | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \\\'memory\\\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \\\\\\\\\\\\\\\'memory\\ | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \'memory\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \\\'memory\\\' | 01/01/70 00:00 | |
| RE: 89C51RD2 and external \\\\\\\\\\\\\\\\\\\\\\\\ | 01/01/70 00:00 | |
| RE: 89C51RD2 and LCD Drive (Hal Albach) | 01/01/70 00:00 | |
| Philips or Atmel ??? | 01/01/70 00:00 | |
| RE: 89C51RD2 and LCD Drive (Alan Chen) | 01/01/70 00:00 | |
| RE: 89C51RD2 and .. 8k | 01/01/70 00:00 | |
| RE: 89C51RD2 and .. 8k | 01/01/70 00:00 | |
RE: 89C51RD2 and .. 8k | 01/01/70 00:00 |