| ??? 09/29/07 17:24 Read: times |
#145100 - Not required. Responding to: ???'s previous message |
I searched for different 89c2051 programmers available on net and also studied their programming code.None of them check the signature byte,all have only power up sequence.I got to know from their manufacturer that it is not possible to read signature of 89c2051. |
| Topic | Author | Date |
| AT89c2051 power up sequence | 01/01/70 00:00 | |
| any schematics? | 01/01/70 00:00 | |
| No schematics right now | 01/01/70 00:00 | |
| at least... | 01/01/70 00:00 | |
| Single step | 01/01/70 00:00 | |
| And what was it, then? | 01/01/70 00:00 | |
| RE: And what was it, then? | 01/01/70 00:00 | |
| what LCD? | 01/01/70 00:00 | |
| RE: what LCD | 01/01/70 00:00 | |
| OK so why was the LCD blank? | 01/01/70 00:00 | |
| RE: OK so why was the LCD blank? | 01/01/70 00:00 | |
| data conflict/posting pictures | 01/01/70 00:00 | |
| RE:data conflict/posting pictures | 01/01/70 00:00 | |
| Schematics | 01/01/70 00:00 | |
| Complete schematic | 01/01/70 00:00 | |
| please use smaller pictures and png/gif | 01/01/70 00:00 | |
| Done | 01/01/70 00:00 | |
| Using 2051 | 01/01/70 00:00 | |
| make a full terminal from U3 | 01/01/70 00:00 | |
| Add some diodes | 01/01/70 00:00 | |
| RE:Add some diodes | 01/01/70 00:00 | |
| Multiplexing | 01/01/70 00:00 | |
| Pull ups | 01/01/70 00:00 | |
| Not required. | 01/01/70 00:00 | |
try this code | 01/01/70 00:00 |