Oberon and the OberonStation (retro-style FPGA computing)

Dave Wade dave.g4ugm at gmail.com
Wed Dec 2 06:58:57 CST 2015

Spartan 3E inputs can be made 5V tolerant with a series resistor...



> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of William
> Maddox
> Sent: 02 December 2015 08:32
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> <cctalk at classiccmp.org>
> Subject: RE: Oberon and the OberonStation (retro-style FPGA computing)
> >Do you have 5 volt I/O with the OberonStaion FPGA?
> >I was thinking of using it as general FPGA card.
> The serial port is 3.3v according to the website.  I haven't attempted to use
> the serial port or the GPIO pins, but I believe they are all 3.3 volts for the
> Spartan 3 series.   Check the data sheet for the FPGA to be sure.  There are
> no level converters on the board, so whatever the FPGA provides is what
> you get.
> BTW, as of this writing, the website is showing the fully-assembled boards as
> available.
> --Bill

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