Lattice ISP interface


I'm looking for some information on the proprietary ISP interface used by Lattice (specifically in the ispGDS22 device)

I've managed to find a Lattice document describing the function of the SDI,SDO,MODE + SCLK pins and the devices internal state machine, but nothing on specifically how to get the fuse map /JEDEC file into the device 'in-situ'. I've searched the Lattice website, but they don't seem to give out this information readily.

Can anyone direct me to a suitable resource?

Many thanks


Reply to
Loading thread data ...

You might be able to use an embedded JAM Player. AFAIK Lattice does provide a tool to covert their fus map files into something suitable for use with a JAM Player. Lattice's ispVM might also be an option.

Regards Anton Erasmus

Reply to
Anton Erasmus

On 12 Dec 2006 07:15:14 -0800, "David" wrote in comp.arch.embedded:

I agree with Anton, the ispVM package (free download) probably has all the information you need to either build an in-circuit programming routine into your firmware, or develop an external driver.

The C source code is a hideous, awful, stinking mess, but it does work.

Jack Klein
Home: http://JK-Technology.Com
 Click to see the full signature
Reply to
Jack Klein

ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.