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Altera_Forum
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12 years ago

How to check which FPGA is assembled on the pcb?

Hi all, I am using pcb designed for many various projects. On this pcb can be placed one of the following FPGA devices: 5CEBA4 or 5CEBA5 or 5CEBA7 or 5CEBA9. The device which will be a...
Altera_Forum's avatar
Altera_Forum
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12 years ago

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If you have JTAG connected to your processor, then that would be easiest. Its pretty easy to read the IDCODE or USERCODE via JTAG - you just bit-bang the JTAG TAP machine into the appropriate state and read out the data.

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But the IDCODE is not unique for each part. I don't know about the Cyclone V's mentioned, but when you use jtagconfig you see a list of candidates for the given ID:

02A030DD 5AGT(FD3H3|MD3G3)/5AGXBB3D4/..

029030DD 5SGXEA7H(1|2|2ES|3|3ES)/..