Hello,
> Are the 55 DIOs available out of the box, or they are occupied by other
> devices, such as the extra video, ethernet and com ports?
There are 36 available DIO pins.
> Who are these DIOs grouped, as 8 bit ports or 16- or 32- bit ports?
> What is the speed we can toggle the bits? In my application I need to
> send out 32-bit parallel data at the highest possible rate.
There are 16 DIO pins available that are implemented in the FPGA these
are grouped in 8 bit ports. There are 20 DIO pins that are implemented
in the EP9302. These are accessed via 32 bit registers, although they
are grouped in 8 bit ports... Currently the bus cycles are ~110ns...
The FPGA is currently running at 75 Mhz with a custom bitstream we
could have the FPGA toggle at 200 Mhz.
> Is there a RTAI patched linux kernel image available now?
Yes, the ts8 RTAI patch can be applied to the ts10 kernel.
ftp://oz.embeddedarm.com/rt/arm-ts8/ts72xx_ts8_adeos.patch.
//Eddie
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