| ??? 11/04/09 09:02 Read: times |
#170409 - is it in ISP mode? Responding to: ???'s previous message |
Pascal Delouche said:
After analysis, I noticed that the signal TXD follows RXD as if P89C51RD2 was enter in test mode or in echo mode Could it be in ISP mode? The easiest way to try is to enter :020000050000F9<ENTER> it should it echo back and append a byte (product ID, IIRC) and a fullstop. JW |
| Topic | Author | Date |
| P89C51RD fail to enter ISP mode | 01/01/70 00:00 | |
| is it in ISP mode? | 01/01/70 00:00 | |
| #170409 - is it in ISP mode? | 01/01/70 00:00 | |
| what is exactly the response? | 01/01/70 00:00 | |
| Echo X | 01/01/70 00:00 | |
| Status Byte | 01/01/70 00:00 | |
| Status Byte | 01/01/70 00:00 | |
I second | 01/01/70 00:00 | |
| Have you posted it on NXP Forum ? | 01/01/70 00:00 | |
| No, I havent posted it on NXP Forum ! | 01/01/70 00:00 | |
| Then Please Do That | 01/01/70 00:00 | |
| Cross-posting | 01/01/70 00:00 | |
| the NXP forum is dead... | 01/01/70 00:00 | |
| not quite, more like in a coma | 01/01/70 00:00 | |
| 'C51-related fora | 01/01/70 00:00 |