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Altera_Forum's avatar
Altera_Forum
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16 years ago

rbf header?

Hello, I want to configure Cyclone II device via USB. I already have a PIC18F2550 acting as a USB to JTAG converter. I am using it to configure Xilinx Spartan 2 FPGA. I wa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

rbf format is slightly different between devices. I see, that the most recent Jrunner version 2.3 has explicite support for Cyclone II and Cyclone III.

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So, if I skip first 44 bytes and send rest of the stream to FPGA in JTAG Shift IR state, will it work?

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Hm. You send a device specific PROGRAM instruction in ShiftIR state and the configuration stream in ShiftDR. Check the JRunner software.