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Z80 In-Circuit-Emulator

I'm building one myself. It's not a kit, just the plans and code. He only has it running Win at the moment. I think it's still in beta, as he sent me several code updates to fix some bugs. I curretly use the one from Bob Grieb, tauntek.com. I built that kit, and it works great - I modded mine to operate as an eprom emulator too. But he doesn't make them anymore. But you can probably still get the pcb from him - even the PIC micro thats already programmed - ask him what other parts he still might sell.
 
I bought that as well, but haven't started building it yet. I figured for the price, it was was worth a look see. I also have the tauntek.com one and built it myself. It works as advertised.

Dan, can you outline the mods you did for the EEPROM emulator?

Kipp
 
yea, basically I wired the eprom socket 2716) on my target board with a write protect switch, and installed a SRAM (6116). So then the SRam has the WR pin disabled in case the program code goes bezerk and doesn't scrog my code. I can upload a schematic here if you like. There's no modification on the Tauntek Z80 ICE itself needed.

On the other emulator, I used a different construction method that they proposed, I use a similar method as on the Tauntek Z80ICE, I can upload pics for that too.
 
Folks,
Does anyone know of a source for the Digikey 122-1432-ND CPLD Xilinx XC9536-10VQG44C, 44VQFP? Digikey doesn't stock them anymore.
Same for Mouser Electronics.

Thanks.

Larry
 
As far as I can tell, 5V CPLDs shouldn't be disappearing that soon... too many currently-used designs still support 5V logic.

I simply cannot fathom using a level-shifter for all I/O pins on a 44 to 68-pin device.
 
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