MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 pic18f2455 gq3x

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T O P I C    R E V I E W
Shaz Posted - 01/09/2010 : 18:13:19
I'm a little disappointed to see that I need a GQ-4X to program this PIC. Is there anything possible to do to program this PIC with the GQ3X?
7   L A T E S T    R E P L I E S    (Newest First)
Bad_Ad84 Posted - 12/21/2010 : 05:17:34
quote:
Originally posted by flashcoder

What looks interesting for me is that to write PIC18 you need only a piece of wire and a single resistor soldered to parallel port 25-pin DSUB then add 5V from USB connector and the rest is taken care by WinPic software. But for GQ-3X it is impossible task. Go figure..



Yes, because a whole PC with memory and CPU is completely the same as the GQ-3X's memory and CPU
ZLM Posted - 12/18/2010 : 05:03:04
Basically I think it is not just the technical issue, there are still some other things need to considered. what is your programmer firmware version?
flashcoder Posted - 12/17/2010 : 10:13:59
What looks interesting for me is that to write PIC18 you need only a piece of wire and a single resistor soldered to parallel port 25-pin DSUB then add 5V from USB connector and the rest is taken care by WinPic software. But for GQ-3X it is impossible task. Go figure..
carlb Posted - 12/16/2010 : 13:21:55
So what happens if and when support is added for 16-bit data bus devices like PIC24 and dsPIC33?

Will the GQ-4X still work or will memory constraints require a yet-to-be-created GQ-5X as a programmer?
flashcoder Posted - 12/14/2010 : 20:32:08
I also chose the GQ-3X because it promised that it will support new chips because it has upgradeable firmware and everything, but now it does not support a simple PIC18Fxxxx :(
At that time there was no GQ-4X. Maybe it is possible though to add more memory and patch it to support those newer PICs? If its just a memory issue then I think it can be solved somehow.
ZLM Posted - 01/15/2010 : 08:35:26
The PIC18FXXXX chips need a special protocol to program it. It needs more memory on hardware to do the job. The GQ-4X is a upgrade hardware, it supports this chip.
Shaz Posted - 01/14/2010 : 11:02:16
Any insight at all?

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