Re: [ARTIQ] Pipistrello TTL Output

[Aaron Vontell]

Perfect, those are exactly what I needed to look at. It works now and I can
measure the signal.

Thanks for the help!

- Aaron Vontell

On Mon, Oct 17, 2016 at 12:20 PM, Robert Jördens  wrote:

> On Mon, Oct 17, 2016 at 5:39 PM, Aaron Vontell 
> wrote:
> > I am new to working with FPGAs, so sorry if this is a very simple
> question.
> > I am working with a Pipistrello FPGA board, which is being controlled by
> > ARTIQ. Using ARTIQ, I have configured a device_db.pyon file for TTL
> outputs
> > (following the steps from
> > https://m-labs.hk/artiq/manual-release-2/core_device.html#pipistrello),
> and
> > have written a simple program that will pulse some of the TTL outputs. I
> am
> > attempting to measure the output using an oscilloscope, but I am having
> > trouble with figuring out where the actual output is on the board. After
> > searching online, I have not found any decent documentation regarding
> what
> > the different channels on the board represent, or which ports are used
> for
> > what.
> >
> > Any help with finding a resource that details the outputs of the board,
> or
> > simply a tip on where to look for these TTL pulses on the board would be
> > greatly appreciated!
>
> The mapping is also on the nist-qc1/qcpapilio schematic that you have.
>
> --
> Robert Jördens.
>
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Re: [ARTIQ] Pipistrello TTL Output

[Sébastien Bourdeauducq]

Hi,

See here:
https://github.com/m-labs/artiq/blob/master/artiq/gateware/nist_qc1.py#L4

The A/B/C connectors and numbers match the silkscreen of the board.

Sébastien
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