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'[EE]: Cheap PLD programmer..'
2002\11\13@090544 by mike

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Hi,

Does anyone know of a cheap PLD programmer suitable for 16V8s 22V10s
etc.

Best regards,

Mike Griffin.

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2002\11\14@084000 by Micro Eng

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I'd look at using a CPLD from Xilinx or Altera.  The MAX7000S series is ISP
using JTAG.  You can download free dev software from them that handles the
low end devices, and build your own JTAG programmer that runs off the
parallel port.  You can write the code in either schematic, or HDL (AHDL,
verilog or VHDL)






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2002\11\14@090921 by Mike Harrison

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You can (or certainly used to be able to ) also get ISP versions of
22V10s and the like.  
On Thu, 14 Nov 2002 06:37:49 -0700, you wrote:

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2002\11\14@092422 by Micro Eng

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True....Lattice does have the ISP versions of the chips.  I just don't know
about the programmer for these.  I know you can build the JTAG interface
easy.






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2002\11\14@094641 by Mike Harrison
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I think the Lattice ISPs use JTAG, if not, it will be something
similarly simple and I'm sure they document the protocol.

On Thu, 14 Nov 2002 07:23:08 -0700, you wrote:

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2002\11\14@140914 by Tom Handley

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   I've worked with Lattice's ispGAL22V10 devices in the past and you can
use their current software and download cable to program them. You are
limited to a 28-pin PLCC package but the main problem is Icc ~ 140ma...

   - Tom

At 06:23 14-11-02, you wrote:
>True....Lattice does have the ISP versions of the chips.  I just don't know
>about the programmer for these.  I know you can build the JTAG interface
>easy.

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