??? 09/14/08 14:28 Read: times |
#158263 - wong direction Responding to: ???'s previous message |
i wonder if 89C52 is far too slow to interface with fast NVRAM like DS1230 (100 or 70 ns)
no uC is too slow to interface with RAM/ROM, but often RAM/ROM is too slow to interface with the uC Erik |
Topic | Author | Date |
89C51 works but 89C52 does not | 01/01/70 00:00 | |
/EA not connected | 01/01/70 00:00 | |
89c51 works 89c52 does not | 01/01/70 00:00 | |
Why would you conclude that, Erik? | 01/01/70 00:00 | |
More detail, please. Where does the code reside? | 01/01/70 00:00 | |
i faced the same problem...... | 01/01/70 00:00 | |
wong direction | 01/01/70 00:00 | |
Try Other 89C52 Part | 01/01/70 00:00 | |
No good news... | 01/01/70 00:00 | |
wrong spot ... | 01/01/70 00:00 | |
but your problem was with 89c52 | 01/01/70 00:00 |