| T O P I C R E V I E W |
| tak |
Posted - 12/17/2009 : 10:46:43
hi,
I have several 27c4002 here and not able to program any of it. I tried several speed settings and erased them over and over again (UV).
*****************************
H/W Re: GQ-3X Re-1.00
USB Driver Re.2.0
Software Re. 5.0
<<27C4002>>
ID check skipped
Reading... Code
Elapsed time: 3.43 seconds.
Read completed.
ID check skipped
Blank checking... Code
Elapsed time: 3.43 seconds.
Chip is blank
Speed = 3
Speed = 5
ID check skipped
Writing... Code
Elapsed time: 14.36 seconds.
Write failed, Address=0x000000, Buffer=0xFF Device=0x01
Write failed
*****************************
I have the correct 16bit adapter, which I use with success to flash 27c322 chips.
is this a know issue with 27c4002 and a workaround available?
thanks in advance
~tak
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| 9 L A T E S T R E P L I E S (Newest First) |
| ZLM |
Posted - 02/01/2010 : 16:54:05
chip will back to you soon. |
| ZLM |
Posted - 01/30/2010 : 23:08:46
do you still have another M27C4002 for testing? I just want to know you still can produce the same problem. I want to know the exact problem when doing programming. |
| tak |
Posted - 01/30/2010 : 23:00:47
quote:
Originally posted by ZLM
Received the testing chip. But did not find anything wrong. It programmed and verified on my GQ-4X and ADP-054 without any problem.
great news than! thank you very much for the testing. so it looks like my ADP-054 is broken than. funny part is that I was able to write 27c4096 :( |
| ZLM |
Posted - 01/30/2010 : 22:06:29
Received the testing chip. But did not find anything wrong. It programmed and verified on my GQ-4X and ADP-054 without any problem.
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| tak |
Posted - 01/30/2010 : 02:23:26
any news on this topic? has my sample been arrivied?
Cheers,
tak |
| osvaldo |
Posted - 01/10/2010 : 19:01:01
ok mis saludo y feliz aņo tak |
| tak |
Posted - 01/10/2010 : 03:18:10
thanks for the help. I'm already in contact with the mcumall support and will send one of my chips to them (was busy over christmas/new year) for further testing. I've tested in the meantime a 27c4096 which works flawless.
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| osvaldo |
Posted - 01/09/2010 : 21:53:37
foto de adaptador circuito
Download Attachment:  16BitSchematic.pdf
15.15 KB |
| osvaldo |
Posted - 01/09/2010 : 21:50:26
Hello 27C4002 tak try another if he tried another and it does not check that the adapter parts of the welding or the anchoring of where the chips will |
