--- In "th4rold" <> wrote:
>
> Hi,
>
> In ts-7300-manual-rev1.2.pdf, section 1.5 "Features", it is mentioned
> that it is possible to get more than 10 serial ports if they are TTL
> level.
>
> What would it take to change just 1 or 2 of the normal ports to TTL
> level? Is such a bitstream available? We don't really need more
> ports, but it would be helpful to do without a level changer.
A custom bitstream would have to be made. There is plenty of room in
the FPGA to create a number of TTL uarts on the XDIO header. We
created a bitstream with 24 more TTL UARTs using this header, but it
depends on some external mux/demux chips.
//Jesse Off
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