What would it take...
Peter C. Wallace
pcw at mesanet.com
Fri Dec 8 13:12:57 CST 2006
On Fri, 8 Dec 2006, 9000 VAX wrote:
> Date: Fri, 8 Dec 2006 13:53:06 -0500
> From: 9000 VAX <vax9000 at gmail.com>
> Reply-To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
> Subject: Re: What would it take...
> On 12/8/06, Brad Parker <brad at heeltoe.com> wrote:
>> "Peter C. Wallace" wrote:
>> >>> Also a CPLD (maybe a 9536XL) is about as cheap as a
>> >>> GAL now ($1.00 or so),
>> >>> much more capable, and programmable with nothing but
>> >>> a parallel port (JEDEC
>> >>> ISP)
>> >> Well not just the parallel port I'm sure. Hope
>> >> someone posts the url that has plans for that...
>> you can buy xilinx parallel port "cables" on ebay for $15.
>> i'd be hard pressed to make it myself for less...
> I made one according to this guild,
> It worked well.
> vax, 9000
I have PCBs for a Xilinx model 3 parallel compatible cable with some
Schmitt triggers on all I/O - especially important on TCLK if you have a long
HC (not HCT) parts and VIO clamp so it will work reliably with 2.5V JTAG
If anyone wants one I will mail them to them for free...
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(")_(") signature to help him gain world domination.
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