libftdi Archives

Subject: Re: FT2232H bitbang mode: 32 bit bitbang?

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx, Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: Rogier Wolff <R.E.Wolff@xxxxxxxxxxxx>
Date: Thu, 15 Mar 2012 15:39:09 +0100
Hi,

On Friday, 9. March 2012 12:54:08 Rogier Wolff wrote:
> I have an FT2232H and I would like to bitbang all 32 bits. Is this
> possible?
> 
> The datasheet seems to suggest that in "async bitbang" mode the high
> byte still does strobe thingies.
> 
> But in another mode (MPSSE) the high byte becomes "GPIO", so the chip
> more or less is able to do this, but then officially the lowest few
> bits become the MPSSE interface.
> 
> Then the second question is: can I do this with libftdi?

Uwe is the expert on this, never used MPSSE mode myself.

Thomas

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