MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 Writing W25Q128 takes long with 2 MB File
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4 Posts

Posted - 03/26/2015 :  05:28:13  Show Profile  Reply with Quote
i have a question:
When I program the SPI Flash takes the process very long (1300 seconds for writing): However, it is only written a file with 2 MB. The rest is empty (filled with FF). Nevertheless, the programmer writes the entire chip with 16MB. Is there a possibility that only 2MB be written as the rest of the chips is so empty? The chip is completely deleted from the programmer before, of course.

I have added new devices in the W25Q128-file I can upload the modification here somewhere for the community?

Greeting Rolle :))
Reply #1


2923 Posts

Posted - 03/29/2015 :  20:06:45  Show Profile  Reply with Quote
You can cancel the programming when the progress percentage reach to 13%, and then click on verify to do the manual verification.


You can upgrade to GQ-5X SPI programmer. It takes less then 60 seconds for programming and verification.
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Reply #2


104 Posts

Posted - 04/03/2015 :  12:57:19  Show Profile  Reply with Quote
For GQ5X, you can get at least 6MB/s of read on SPI flash. Which means read time for a w25Q128 only needs 3 seconds. Write speed should be around 500KB/s for GQ5X.
So if you are programming large SPI flash chip, you should consider GQ 5X to gain the max programming speed you can have on the market.

Edited by - GQ5XSupport on 04/03/2015 12:59:10
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