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Altera_Forum's avatar
Altera_Forum
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10 years ago

Downloading software to the CPLD chip from another processor

Hello, I have an embedded application where I am using the MAX V CPLD chip and also an ARM processor. I need to be able to program the MAX V CPLD chip from the ARM processor. The way the CPLD is p...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Programming devices via JTAG is possible. Older generation devices were supported by Altera's JRunner software (and maybe newer devices are too). Take a look in the MAX V handbook and look at the IEEE 1532 details. The "Programming Sequence" section looks like it provides enough detail so that you could create your own programmer. I'd recommend buying a low-cost MAX V kit and trying that procedure, or post a new thread asking if anyone on the forum has used an IEEE 1532 programmer.

Programming a MAX V via IEEE 1532 instructions could easily be tested using an FTDI C232H cable (assuming the MAX V JTAG interface was also 3.3V, otherwise you'll need level translators).

Cheers,

Dave