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Honored Contributor I

Programming EPCS with altasmi_parallel

I have a Cyclone 3 with EPCS16 that I'm trying to program through an RS232 serial connection to a remote host. I'm using altasmi_parallel and altremote_update as follows: 


1. Generate the hexout file in Quartus 2 

2. Erase the EPCS16 using altasmi_parallel builk erase 

3. Write each byte of the hexout file (also reverse he bits) to the EPCS using altasmi_parallel writes (starting at address 0). 

4. Pulse the reconfig signal on the altremote_update block 

5. Reboot the system (Just in case) 


The firmware doesn't update and the old behavior still persists. Any ides if I'm missing a step? 


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