General Category > Discussion - MCU

One-wire programming method for FT9xx documented?

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Rayman:
It would be convenient to be able to reprogram the FT9xx using a microcontroller that will be on the same board.
But, to do this, would need details on the 1-wire programming method.
Is this documented somewhere?

BRT Community:
Hello,

This information is only available in NDA documents and is only shared on a project basis.

Please contact us by email for more information:

https://brtchip.com/contact-us/

Best Regards,
BRT Community

Rayman:
Ok, thanks.  That's what I figured...  I saw "Proprietary" somewhere about this...

Can I use just a 2 or 3 pin header from the programmer board to the board with the FT93x chip on it?

Do I just need the DBG and GND signals to program?  Or, do I need reset# too?

BRT Community:
Hello,

As a minimum, DEBUG and RESET signals are required with GROUND.

Best Regards,
BRT Community

Rayman:
Thank you, that sounds good.  3-pin connector is not so bad to add.  Might use Servo cable...

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