Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Config Done Fails to Go high with simple SOF file(Jtag+USB Blaster)

Hello All, Finlay we have got our boards and started testing them out... We were able to successfully Detect the Cyclone 3 120 chip and run Jtag Debug tests, but not been able to configure the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

your usb blaster connection confuses me a bit

why ist pin 6 connected to nCE instead of Vio ?

why did you connect pin 2 TDO to Pin 6 also what is not connected normaly ?

i am quite not shure if you have connected the jtag signals to vcca (2,5V) instead of 3,0 or 3,3V ...

as the epcs device can be programmed via jtag over an minimal nios design, we haven't placed the as interface anymore.