Done all that. Turned out the manufacturer had stuck a jumper on one pin set that shouldn't be set normally. So much for "leave the jumpers as they are from factory for this".
Thanks, though, it's working now.
Найдено 2 результата
- Сб авг 08, 2009 7:49 pm
- Форум: Chip programming issues
- Тема: 49LF020/A will not ID, erase or write
- Ответы: 2
- Просмотры: 3632
- Сб авг 08, 2009 1:15 pm
- Форум: Chip programming issues
- Тема: 49LF020/A will not ID, erase or write
- Ответы: 2
- Просмотры: 3632
49LF020/A will not ID, erase or write
I got a willem PCB 5.0 (integrated LPC/FWH socket). Whenever I try to ID the 49LF020, I get 0x00 for both Chip and Manufacturer IDs. If I click erase, it claims to be successful, but the chip remains written. I can not overwrite (obviously). I CAN read the chip, and the data on it is correct, but it...