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Author Topic: Cannot flash EEPROM FT232RL  (Read 217 times)

bogus

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Cannot flash EEPROM FT232RL
« on: March 05, 2019, 05:53:23 PM »

Hi everybody,
I bought some modules with FT232RL chips and I want to flash internal EEPROM memory in these modules, but I can't. At face value all looks good, while programming I have no error but when I read out memory I see that any value did not changed. Do anyone have idea why it happends? Are these modules fake? RS232 communication works fine.
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FTDI Community

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Re: Cannot flash EEPROM FT232RL
« Reply #1 on: March 06, 2019, 04:46:36 PM »

Hello,

After programming in FT_Prog did you hit the Cycle Port button?

If you are still having problems can you confirm which of our devices that you are using please? i.e a cable or a development module?

Regards,
FTDI Community

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bogus

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Re: Cannot flash EEPROM FT232RL
« Reply #2 on: March 09, 2019, 03:43:06 PM »

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Re: Cannot flash EEPROM FT232RL
« Reply #3 on: March 11, 2019, 10:49:50 AM »

Hello,

This is a 3rd party product.  Since this is not one of our products, although it may utilise our device, it is difficult to offer any support on it as FTDI cannot control how the USB ICs are used and has no knowledge of the entire product.

Product Manufacturers are responsible for supporting end-users of their products, so you will need to contact the manufacturer directly. 

Please see the following document for reference:

http://www.ftdichip.com/Support/Documents/TechnicalNotes/TN_102_OEM_Technical_Support_Requirements_for_FTDI_Products.pdf

Regards,
FTDI Community
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