??? 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 |