| ??? 05/12/10 08:18 Read: times |
#175831 - My guess is that mcu is running fast Responding to: ???'s previous message |
The AT89S8253 has a sfr called CLKREG.
So the LCD may be written twice as fast for a given XTAL. The ISP programmer should also detect that the two devices have different identifying signature. David. |
| Topic | Author | Date |
| at89s8253 | 01/01/70 00:00 | |
| Datasheets! | 01/01/70 00:00 | |
| What does not work?? | 01/01/70 00:00 | |
| look into both datasheets and see the differences! | 01/01/70 00:00 | |
| what is "signature changes so fast"? | 01/01/70 00:00 | |
| My guess is that mcu is running fast | 01/01/70 00:00 | |
migration document | 01/01/70 00:00 |