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'[a bit OT] GAL programmer schematic ?'
1998\06\10@104637 by Pavel Korensky

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Hello,

I know that this question is a bit off-topic, but I spent several hours
seeking the internet without any success.
Please, can anybody tell me, where I can find some GAL (22V10 specifically)
programmer schematics and software ?
I tried to find some (or at least find the programming specs. for 22V10)
and I was not succesfull.
I only found ads for large expensive
EPROM/EEPROM/PIC/GAL/FPGA/WholeUniverse programmers which costs megabucks
and are overkill for me.

Thanx a lot

PavelK

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1998\06\10@120641 by Harrison Cooper

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               From my saved mail....


               [snip isp-GAL comments]
               just uploaded to our ftp server schematics and
source/object/exe files for a DIY GAL programmer.
               pub/mchip/galprog.zip
               short notice about it also posted to our WWW bulletin
board
               http://sistudio.com/bbs <http://sistudio.com/bbs>
               antti
*       Silicon Studio Ltd.
*       http://www.sistudio.com <http://www.sistudio.com>

1998\06\10@135153 by Martin Green

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    The reason you are having trouble finding anything is because the GAL
    manufacturers decided a long time ago not to release any information
    on programming to anyone other than the universal programmer boys.
    Personally I think this was a STUPID decision, but you do have some
    alternatives. There are a few designs for GAL programmers in older
    issues of Electronics Now and some of the UK magazines, but the
    problem is that I have never seen one for the 22V10, only the 16V8 and
    20V8 devices. The other problem with these designs is that they
    invariably use a GAL in their design, which causes the proverbial
    chicken and-and-egg syndrome. Since these projects were published
    quite a few years ago, it is unlikely you can still buy the
    pre-programmed GAL's to build one. You should be able to get the
    source from the E/N web site though, and you might be able to find
    some kind soul locally to program it for you. If you can use something
    other than a 22V10, then the GAL manufacturers are more liberal with
    programming specs for their ISP devices, since the whole purpose
    behind these things is to be programmed in the field.

    I know it can is a bit expensive for a hobbyist, but I would recommend
    you bite the bullet and invest in a Needhams EMP-20 programmer, which
    handles several brands of 22V10 (the EMP-10 only works with Lattice
    22V10's). For about $450 US you will get a programmer than you will
    probably never outgrow, and if you buy it from Digi-Key, they will
    throw in the PIC module for free (of course I discovered this AFTER I
    had bought mine somewhere else), which is a $25 US value.


    CIAO - Martin.


______________________________ Reply Separator _________________________________
Subject: [a bit OT] GAL programmer schematic ?
Author:  pic microcontroller discussion list <spam_OUTPICLISTTakeThisOuTspamMITVMA.MIT.EDU> at
Internet
Date:    6/10/98 4:06 PM


Hello,

I know that this question is a bit off-topic, but I spent several hours
seeking the internet without any success.
Please, can anybody tell me, where I can find some GAL (22V10 specifically)
programmer schematics and software ?
I tried to find some (or at least find the programming specs. for 22V10)
and I was not succesfull.
I only found ads for large expensive
EPROM/EEPROM/PIC/GAL/FPGA/WholeUniverse programmers which costs megabucks
and are overkill for me.

Thanx a lot

PavelK

**************************************************************************
* Pavel Korensky                                                         *
* DATOR3 LAN Services spol. s r.o.                                       *
* Modranska 1895/17, 143 00, Prague 4, Czech Republic                    *
*                                                                        *
* PGP Key fingerprint:  F3 E1 AE BC 34 18 CB A6  CC D0 DA 9E 79 03 41 D4 *
*                                                                        *
* SUMMA SCIENTIA - NIHIL SCIRE                                           *
**************************************************************************

1998\06\10@135732 by Leon Heller

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In message <.....m0yjlgx-000026CKILLspamspam@spam@chaos.dator3.anet.cz>, Pavel Korensky
<pavelkspamKILLspamDATOR3.ANET.CZ> writes
>Hello,
>
>I know that this question is a bit off-topic, but I spent several hours
>seeking the internet without any success.
>Please, can anybody tell me, where I can find some GAL (22V10 specifically)
>programmer schematics and software ?
>I tried to find some (or at least find the programming specs. for 22V10)
>and I was not succesfull.
>I only found ads for large expensive
>EPROM/EEPROM/PIC/GAL/FPGA/WholeUniverse programmers which costs megabucks
>and are overkill for me.

The Lattice 22V10 is very easy to program via a simple parallel port
interface. You can get a free CD-ROM with development software, data,
etc. from Lattice distributors. It's really intended for their larger
CPLDs, but the 22V10 is included.

Leon
--
Leon Heller: .....leonKILLspamspam.....lfheller.demon.co.uk http://www.lfheller.demon.co.uk
Amateur Radio Callsign G1HSM    Tel: +44 (0) 118 947 1424
See http://www.lfheller.demon.co.uk/dds.htm for details of my AD9850
DDS system. See " "/diy_dsp.htm for a simple DIY DSP ADSP-2104 system.

1998\06\10@155452 by Harold Hallikainen

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On Wed, 10 Jun 1998 16:06:57 +0200 Pavel Korensky <EraseMEpavelkspam_OUTspamTakeThisOuTDATOR3.ANET.CZ>
writes:

>EPROM/EEPROM/PIC/GAL/FPGA/WholeUniverse programmers which costs
>megabucks
>and are overkill for me.


       Not quite schematics, but there ARE some inexpensive programmers
at JDR Microdevices (http://www.jdr.com).


Harold

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1998\06\11@094341 by Keith Howell

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Pavel Korensky wrote:

> where can I find some GAL (22V10 specifically)
> programmer schematics and software ?

Elektor magazine did one that did 16V8 and 20V8,
and then did a kludge board for a 22V10.
Which needed you to buy more software from them.
Only did a few brands of these chips, which are
now all but replaced by 22V10 chips. Manufacturers
are not so motivated to make the smaller chips.

Most hobbyists will only want a few chips, so
a few pence more per chip is no problem, nor
getting particular manufacturers chips.

I'd suggest you use Lattice Logic's 22V10 chips.
Lattice specialise in in-site serial programming so
they have to be open about the programming specs.
I'd expect these to be popular amongst hobbyists,
as it should be as easy to make a programmer for
them as hobbyist PIC programmers.

1998\06\15@044717 by Tom Handley

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re: Lattice ispGAL22V10

  To followup on Leon's comments, I've added a schematic for a buffered
parallel port cable and programming board that allows you to program Lattice
Semiconductor's ispLSI1016, ispLSI2032, and ispGAL22V10 devices. This is for
folks that don't have Lattice's ISP Starter Kit. You can download the
archive from my web page at:

     http://www.teleport.com/~thandley/Wilbure.htm

  To program their ispGAL22V10 all you need is the buffered cable which
basically contains a 74HC367 and some passive components, and the ISP Daisy
Chain Download software which is also on Lattice's web site.

  For more information about Lattice Semiconductor's products and to
download the ISP Daisy Chain Download software and/or ISP Synario design
software, contact:

     http://www.latticesemi.com

  - Tom

At 05:44 PM 6/10/98 +0100, Leon Heller wrote:
[snip]
{Quote hidden}

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