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FFULC's avatar
FFULC
Icon for New Contributor rankNew Contributor
4 years ago

Cannot detect MAX V cpld and Cyclonne 5GX in the same jtag chain

Hi I have a new circuit card design with a Byte Blaster 10 pin header connected via jtag to a MAX 5M40ZE64 and then a Cyclone 5CGXFC5C6. The Quartus programmer cannot detect the chain. When I run...
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
4 years ago

Well, don't see anything obviously wrong with your schematic.

You have the option to bypass the MAXV device, but not the FPGA device.

Is there a way you can check the JTAG response with just the MAXV device on the JTAG chain?