Intel® Arria® 10 Hard Processor System Technical Reference Manual

ID 683711
Date 8/28/2023
Public
Document Table of Contents

26.3.5.2. Configuring Multiplexing at Boot Time

Typically, the boot code programs the configuration_dedicated_io_bank register when the system boots up. The boot code reads the BOOTSEL0, BOOTSEL1, and BOOTSEL2 pins and then sets the dedicated I/O bank to either 1.8 V or 2.5-3.0 V operation, depending on the pin status.