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Altera_Forum
Honored Contributor
12 years agosolution for mcu to configure ALTERA FPGA
Hello, i'm trying to use a MCU(like C8051) to configure Cyclone IV device(EP4CE30) in Passive Serial mode. In the past, i was using GPIO of MCU to simulate the configure timing. But configure sp...
Altera_Forum
Honored Contributor
12 years agoWith the Remote System Update system it basically boots in Active Serial mode, and the "Updated" image is written to a secondary block. Once it is there, you tell it to boot from this secondary block. If that block fails CRC, it reloads the original image again.
You check the status of the RSU to figure out it the secondary or primary image is actually loaded. It works, and offers some protection. But if you mess up and overwrite the original image, you are still in trouble. Pete