Найдено 8 результатов
- Вт фев 12, 2013 5:22 pm
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
After some test I've try to excange the parallel cable and the comunication appeared good....but the tension on A9 and A27 is 3.4V....So I can do a new test, but the result is not very cheering... I've made a video of software screen, you can observe that the file is read and verify is Ok, but when ...
- Вт фев 12, 2013 11:31 am
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
during a new test I've found that A9 on pin 26 of zif32 there is at 3.4V, and not 4.43V as in all other pin... In general 4.43 is bit lower than 5.13V of Vcc; but at pin16 of 4015 arrive only 4.45V....
Have you any ideas?
Have you any ideas?
- Пн фев 11, 2013 8:04 pm
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
I've some news, but they are bad news :( I've tryed to use another 2 Pc, an old pentium4 and a new Pc, with windows seven 32bit, but Willem pcb50b didn't work correctly :( When I check the hardware for some time the program return that hardware is present, then program returns error and this situati...
- Сб фев 09, 2013 3:15 pm
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
Is it new or erased ? Usually Atmels are OTP without erase window. It's new, and it's an OTP, I don't have found a similar memory that isn't an Otp :( if you know some; tell me which is, that I exchange immediately my Atmel... BUT now I've a new problem.... I've test the output and it's good, if I ...
- Сб фев 09, 2013 10:53 am
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
Hi, I've a new problems or better I've necessity of an help... I want to programm an At27C1024, I've install it in the sivava Eprom 16 bit 27Cxxxx adapter; but How I must select jumpers on the pcb50b? Datasheet tells that vcc and vpp for programming must be Vcc=6.5+/-0.25V and Vpp=13+/-0.25V I've co...
- Сб фев 02, 2013 11:41 am
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
Check result changes , apply Action Swap byte What Vcc voltage applied on 93xx , 5V or 3.6 ? Vcc is selected ad 5.0V by usb power and it's real 5.06V, but it's ok to 93c66 it's can work from 2.5v to 5.5v If I read memory in 8 bit mode, with psop8 93c66 instal in 93Cxx socket inside pcb50.. I obtain...
- Сб фев 02, 2013 8:38 am
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
Re: willem pcb50b problem with 93c66 and 24lcxx
Thanks for your answre!! I am very happy that someone wants to help :D :D :D check your chip structure 8, 8/16 or 16 bit mode (search 93C66, chip database left) 8/16 bit program with 8bit selection I've an st93c66, that is a 8/16bit EEPROM I've try to read/write this as 8 and as 16bit, with differen...
- Пт фев 01, 2013 1:30 pm
- Форум: Willem programmers
- Тема: willem pcb50b problem with 93c66 and 24lcxx
- Ответы: 10
- Просмотры: 13105
willem pcb50b problem with 93c66 and 24lcxx
Hi to all!! I'm a new members, I write from Italy, and I've find this forum because I've a problem with my new willem pcb50b! I've try to contact Sivava by e-mail, but I haven't had any answer.... My proboblems is this: when I tray to read or write a 93c66 eeprom, the software (0.98D12c3, or 0.98D12...