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Altera_Forum
Honored Contributor
13 years agoUSB Blaster, Cyclone III, PS question
For development work, I would like to use a USB Blaster to configure a Cyclone III device in Passive Serial mode. Most of the USB Blaster is powered from the USB's VBUS except the I/O pins that conn...
Altera_Forum
Honored Contributor
13 years ago --- Quote Start --- Really? --- Quote End --- The Quartus Programmer "Mode" pull-down can be used to select "Passive Serial" mode, so that will probably do what you want. I've never seen a board with a PS header though, they either have JTAG or AS headers, so this feature may or may not work correctly :) --- Quote Start --- I'm actually just using it as a comparison and a means of debugging my microcontroller code that will ultimately be used to program the Cyclone device on my board. I want look at its output and compare it with what my code is doing to hopefully see what I'm doing wrong. --- Quote End --- Here's some details that might help: http://www.ovro.caltech.edu/~dwh/carma_board/fpga_configuration.pdf Cheers, Dave