| ??? 01/14/06 20:54 Read: times |
#107411 - guesses Responding to: ???'s previous message |
Couldn't this be some marginal situation? E.g. what is the supply voltage (measured directly on pins using perhaps a 'scope to see eventual drops) during progrmming and runtime? Clock frequency? What number you enter as frequency when programming? Did you try 0? If not, try it. Is it necessary to remove code both from before and after the 4kB boundary? Does it fail also in a different board, maybe as "blinkey on a protoboard? Alternatively, couldn't you use a different RD2, e.g. P89V51RD2, AT89C51ED2? Jan Waclawek |
| Topic | Author | Date |
| Weird 'flashcode' problem on P89C51RD2BA | 01/01/70 00:00 | |
| guesses | 01/01/70 00:00 | |
| P89C51RD2BA flash code problem | 01/01/70 00:00 | |
| P89C51Rx2 (H) H version | 01/01/70 00:00 | |
| flash code problem | 01/01/70 00:00 | |
| programming | 01/01/70 00:00 | |
| P89C51RD2BA flashcode problem | 01/01/70 00:00 | |
| why don't you TRY? | 01/01/70 00:00 | |
| Flashmagic issue | 01/01/70 00:00 | |
| try parallel programming | 01/01/70 00:00 | |
| erased? | 01/01/70 00:00 | |
| I guess you have checksum enabled | 01/01/70 00:00 | |
| Flash problem solved : THANKS ! | 01/01/70 00:00 | |
| it was erased | 01/01/70 00:00 | |
| Additional | 01/01/70 00:00 | |
good that you/Erik found it! | 01/01/70 00:00 |