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'GAL Programming'
1998\02\20@084257 by Alessandro Zummo

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I know the subject has already been discussed in this list,
but i still need some infos ...

I need to program the following GALs:

16V8, 20V8 and 22V10

originally produced by Lattice semiconductors... on the internet i was unable
to get any useful info.. so, i you have documents, links, etc,
please email me... anyway the programmer is PIC based :-)

i also need the jedec file format specific and, maybe,
a free and portable (ansi-c) equation assembler....

I hope someone will help me...

Thanks in advance,

  - *Alex* -

     (spam_OUTazummoTakeThisOuTspamita.flashnet.it)
 (http://freepage.logicom.it/azummo/)

1998\02\20@085050 by tjaart

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part 0 1918 bytes
HTML> Alessandro Zummo wrote:
 I know the subject has already been discussed in this list,
 but i still need some infos ...

 I need to program the following GALs:

 16V8, 20V8 and 22V10

 originally produced by Lattice semiconductors... on the internet i was unable
 to get any useful info.. so, i you have documents, links, etc,
 please email me... anyway the programmer is PIC based :-)

 i also need the jedec file format specific and, maybe,
 a free and portable (ansi-c) equation assembler....

I hope someone will help me...

You can download a complete development system for their low-end chips
from the site. All the info for programming singles, daisy-chaining etc is
also available somewhere on the site. You have to register first though...

--
Friendly Regards

Tjaart van der Walt
mailto:tjaart@wasp.co.za
 _____________________________________________________________
| WASP International http://www.wasp.co.za/~tjaart/i ndex.html |
|       R&D Engineer : GSM peripheral services development    |
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|_____________________________________________________________|
 

1998\02\20@090337 by WF AUTOMACAO

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Alessandro Zummo wrote:
{Quote hidden}

Why don't you buy the ISP starter Kit! I have one and come with a lot of
DATABooks, a CD,SOURCE
CODE and i have the Silkscreen of board to do a low cost programmer!

mIGUEL.

1998\02\20@090542 by Jeff Cesnik

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Alta Engineering (http://www.gutbang.com/alta/) manufactures a low-cost logic
programmer that will do the 16V8, 20V8, and 22V10.  They also have links to a
few
equation compilers (I use plan9).  You can't get the programming specs, they
fall
under a non-disclosure agreement.

- JC



Alessandro Zummo wrote:

{Quote hidden}

1998\02\21@122748 by Alessandro Zummo

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Il 20-Feb-98, Jeff Cesnik scrisse:


> Alta Engineering (http://www.gutbang.com/alta/) manufactures a low-cost
logic
> programmer that will do the 16V8, 20V8, and 22V10.  They also have links to
a
> few
> equation compilers (I use plan9).  You can't get the programming specs, they
> fall
> under a non-disclosure agreement.

I know there are many programmers, but there's a problem..
i've an Amiga and i don't want to buy a pc nor
want to use it!

--

  - *Alex* -

     (.....azummoKILLspamspam.....ita.flashnet.it)
 (http://freepage.logicom.it/azummo/)

1998\02\21@201901 by Eric Smith

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Alessandro Zummo <EraseMEazummospam_OUTspamTakeThisOuTITA.FLASHNET.IT> writes:
> I know there are many programmers, but there's a problem..
> i've an Amiga and i don't want to buy a pc nor
> want to use it!

I've got all sorts of computers that I prefer to the PC.  But like me,
you are going to have to face the reality that if you want to do
engineering work, you have to do it on a platform for which engineering
tools are available.

What do you suppose the relative market sizes are for device programmers
for the Amiga, vs. device programmers for the PC?

Eric

1998\02\22@061131 by Alessandro Zummo

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Il 22-Feb-98, Eric Smith scrisse:

> Alessandro Zummo <azummospamspam_OUTITA.FLASHNET.IT> writes:
>> I know there are many programmers, but there's a problem..
>> i've an Amiga and i don't want to buy a pc nor
>> want to use it!

> I've got all sorts of computers that I prefer to the PC.  But like me,
> you are going to have to face the reality that if you want to do
> engineering work, you have to do it on a platform for which engineering
> tools are available.

> What do you suppose the relative market sizes are for device programmers
> for the Amiga, vs. device programmers for the PC?

Simply...there isn't a market for device programmers on the Amiga.  There
are some eprom programmers in the freeware world, even some
PIC and GAL programmers... but they are often incomplete, so i've decided to
write my own programmer... when i will need to program Xilinx
or similar devices i will probably ask a friend to do that
or, at least, i will buy a PC emulator. My programmer will probably
be able to burn PIC,Eprom,e2prom, i2c and GAL devices, which
is quite enough for me...my motto is: when something
isn't available, do it yourself... in these years the
Amiga is survived thanks to guys who followed this motto...

--

  - *Alex* -

     (@spam@azummoKILLspamspamita.flashnet.it)
 (http://freepage.logicom.it/azummo/) <- AMIGA related homepage!

1998\02\22@150808 by Tom Handley

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  Allessandro, I was an Amiga developer for 10 years. You should check
out Lattice Semiconductor's isp GAL and CPLD devices. There are free C
routines (ispCODE) for taking a JEDEC file and programming their parts
in-circuit with a standard 5V supply. I was going to port the routines
to the Amiga but I never got around to it. As far as writing a compiler,
you are mostly out of luck although Lattice does provide detailed
programming specs. Check out their web site at:

     http://www.latticesemi.com

  - Tom

At 09:49 AM 2/22/98 +0200, you wrote:
{Quote hidden}

1998\02\23@025906 by Eric Smith

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Alessandro Zummo <spamBeGoneazummospamBeGonespamITA.FLASHNET.IT> wrote:
> is quite enough for me...my motto is: when something
> isn't available, do it yourself... in these years the
> Amiga is survived thanks to guys who followed this motto...

That's great when it works.  I used to write my own cross-development software
for the Mac back in the days when I was a Mac enthusiast (1984-1991).
However, there were some things for which that simply was not practical, so
I had a PC even back then.  I've only got so much time to spend on trying
to build my own tools, and for things like GALs, CPLDs, FPGAs, etc., where
the manufacturers won't give out specs*, I don't think it's worth the effort.

It's all well and good to try to do development on an Amiga.  I don't have
anything against the Amiga, and even think it was a pretty nice system in its
day.  In certain respects the Amiga system software is better than that of
current mainstream systems.  But that's beside the point.  I'd be telling you
the same thing whether you were talking about the Amiga, a VAX, an Apple II, a
Commodore PET, or an IBM 1401.  If someone has already designed a GAL
programmer for it, by all means use it.  Or if you can adapt an existing
programmer and software, it's probably worth spending a little bit of time on
it.  But if you have to start from scratch, I'd think your time could be spent
on more worthwhile things, rather than reinventing the wheel.

Cheers,
Eric

* except for newer in-circuit-programable parts

1998\02\23@033433 by William Chops Westfield
face picon face
   > is quite enough for me...my motto is: when something
   > isn't available, do it yourself... in these years the
   > Amiga is survived thanks to guys who followed this motto...

Eventually, people with that attitude (and the ability to actually follow
it) become too well paid to be able to afford not to just go and spend the
$100 to get an old dos system to consider as an "amiga peripheral"...

BillW

1998\02\23@121504 by Alessandro Zummo

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Il 22-Feb-98, Tom Handley scrisse:

>   Allessandro, I was an Amiga developer for 10 years. You should check
> out Lattice Semiconductor's isp GAL and CPLD devices. There are free C
> routines (ispCODE) for taking a JEDEC file and programming their parts
> in-circuit with a standard 5V supply. I was going to port the routines
> to the Amiga but I never got around to it. As far as writing a compiler,
> you are mostly out of luck although Lattice does provide detailed
> programming specs.

Thanks a lot.. i will surely download it... lattice web site  is just
like fort knox :-) At least, the JEDEC parsing routines will
be surely useful for me.

1998\02\23@121507 by Alessandro Zummo

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Il 23-Feb-98, Eric Smith scrisse:

>> is quite enough for me...my motto is: when something
>> isn't available, do it yourself... in these years the
>> Amiga is survived thanks to guys who followed this motto...

> That's great when it works.  I used to write my own cross-development
software
> for the Mac back in the days when I was a Mac enthusiast (1984-1991).
> However, there were some things for which that simply was not practical, so
> I had a PC even back then.  I've only got so much time to spend on trying
> to build my own tools, and for things like GALs, CPLDs, FPGAs, etc., where
> the manufacturers won't give out specs*, I don't think it's worth the
effort.

Electronics is, for me (and for now), just an hobby.. i don't need to use
plds like FPGA, Xilinx or similar.. i need Eproms, serial eproms, PICs and
GALs...
as you know, the programming algorythms for thes chips are really simple..
even for GALs.. it's not so complex.. it's only not documented...anyway,
if you have already done something for GALs, maybe you can help me :-)
In these days, in Italy, a real PC will cost to me about 2000DM...it's not
worth the
money... probably a 486 is enough for chip programming, but i should buy
another
monitor (or i should switch the cable everytime), a new hard disk, i should
learn Windows 95 (brrrr), i should fight with a new os system .. (it's right
to call it an "os" :-) ).. i should give it space o my desk ( and this is NOT
simple)...
i don't think it's worth the effort.....

> current mainstream systems.  But that's beside the point.  I'd be telling
you
> the same thing whether you were talking about the Amiga, a VAX, an Apple II,
a
> Commodore PET, or an IBM 1401.  If someone has already designed a GAL

There'a little difference between an Amiga an an Apple II.. don't you think??
The Amiga is still supported, both in hardware and in software...we
can now even run on a PPC 604 @ 200Mhz.. just like a Power MAC...

> programmer for it, by all means use it.  Or if you can adapt an existing
> programmer and software, it's probably worth spending a little bit of time
on

There are already PIC, GAL, 68HC11 and Eprom programmers, but i want to have
them all-in-one....

> it.  But if you have to start from scratch, I'd think your time could be
spent
> on more worthwhile things, rather than reinventing the wheel.

I'm just upgrading the wheel

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