FvM
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Re: Licence in Altera 2 Complete Design Suite version 13.0 SP1 For cyclone 1
Hi, as you guess, you need a subscription license to generate Cyclone code with Quartus 13.0.1. Latest web edition supporting Cyclone is Quartus 11.0.1, but it's no longer available for download at Altera. Most developers maintaining Cyclone code have older Quartus versions archived. Quartus 11.0.1 also available at archive.org: https://archive.org/download/11.0sp-1-quartus-free-windows/11.0sp1_quartus_free_windows.exe Regards FrankRe: Understanding the Purpose of Active Discharge Circuits in FPGA Power Design (Terasic DE10 Reference)
Cyclone 10 GX, Arria 10 and Agilex have specific requirements for power rail sequencing, partly including power-down sequence specifications. Active discharge can be required to fulfill it. I feel that respective device handbooks give detailed reasoning which parameters should be implemented. Can you tell which DE10 board schematic are you quoting? Regards Frank
