AN 796: Cyclone® V and Arria® V SoC Device Design Guidelines

ID 683360
Date 3/30/2022
Document Table of Contents

4.1.1. Reserved BSEL Setting

During initial stages of bring-up, if a JTAG connection cannot be established to the target, it may be beneficial to set BSEL to 0x0 “Reserved” setting to prevent the BootROM from trying to boot from a specific boot source. Then a test program could be downloaded and ran with a debugger.