| ??? 08/14/02 19:40 Read: times |
#27254 - RE: ISP failure in Philips 89c51RD2 devices |
Many thanks to Eric Malund for pointing out
the omission in AN461 regarding P2.6 . So,is the following correct for hardware boot loader execution: On falling edge of reset: PSEN is held low, EA is held high (5v), P2.6 AND P2.7 is held high, ALE is held high (or not connected). Did I miss anything? Eric ,if you happen to read this I would like a copy of your NoTouch document if it's not too much trouble.My e-mail is bassep@hotmail.com. Thanks, Phil Bassett. |
| Topic | Author | Date |
| ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devi | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: (Eric Malund) p 89c51RD2 devic | 01/01/70 00:00 | |
| RE: (Eric Malund) p 89c51RD2 devic | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
| RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 | |
RE: ISP failure in Philips 89c51RD2 devices | 01/01/70 00:00 |



