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Altera_Forum
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16 years ago

JTAG & AS configuration

Hello community, I've a basic problem (I think for you...) in programming a serial configuration device (EPCS16 & EP2C50) using JTAG interface. I'm using the following scheme : combining JTA...
Altera_Forum's avatar
Altera_Forum
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16 years ago

The problem is, that to perform other JTAG instructions than default IDCODE scan, the instruction register length of individual devices in the chain must be known. The usual method is to get it from a device description file, although I think it would be able by trial.