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From: JosephKK on 1 Feb 2010 02:07
On Sat, 30 Jan 2010 23:15:03 -0000, "Andrew Holme" <ah(a)nospam.co.uk> wrote:

>
>On Jan 29, 6:08 pm, FyberOptic <fyberop...(a)gmail.com> wrote:
>> Hi folks, I'm in need of some info from someone who knows a lot more
>> about this stuff than me!
>>
>> In a nutshell, I've never used programmable logic before, but I really
>> want to get into it. I think it would make my life so much easier,
>> because standard glue logic means so many wires, board space, and
>> potential problems. The problem though is the commercial programmers,
>> and how much they tend to cost. I simply can't afford it on my budget
>> as a hobbyist.
>>
>> I did however managed to get my hands on an ATF22V10BQL, which is the
>> Atmel flash-based equivalent to a 22V10 GAL if I understand properly.
>> What I want to know is, how exactly do I program the thing? Atmel
>> seems to offer no information on how this process is done. I've heard
>> that normal GALs require high voltages to erase and program, but this
>> one being flash-based I would assume that none of that is necessary?
>> I heard about something called GALblast, but then I also heard that it
>> won't work with ATF chips? So I'm at a standstill on trying to find
>> anything out.
>
>>
>> Basically, what I'm looking for is a way to do this from my parallel
>> port. Heck, if I just knew HOW to program them, I would consider
>> designing my own programmer if necessary, if there are no other free
>> schematics available out there.
>>
>> I would really appreciate any info anyone could give. I'd also
>> appreciate suggestions on other DIP-style programmable logic chips
>> that I might should look into that have easy programmability. Thanks
>> in advance!
>
>I played with 16V8 and 22V10 PLDs a few years back.
>
>I used WinCUPL http://www.atmel.com/dyn/products/tools_card.asp?tool_id=2759
>
>and an Xeltek SuperPro Z http://www.xeltek.com/product.php?productid=16225
>
>Then I got into CPLDs.
>
>Then I got into FPGAs.
>
>So I went a step at a time. You could do the same, or you might be better
>off going straight to CPLDs. You can fit a lot more logic in a CPLD. And
>you can code in Verilog, which is a lot nicer than CUPL.
>
Wow, you must be a youngster. I was doing TTL with the then new MSI stuff,
was like 16 X 4 ram. Then NMOS, PMOS, and PLDs like 16L2 and 16L8 were comming
out. 22V10 was years later.
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