Arria V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683213
Date 7/24/2020
Document Table of Contents

7.4.11. I/O and DQS Configuration Blocks

The I/O and DQS configuration blocks are shift registers that you can use to dynamically change the settings of various device configuration bits.

  • The shift registers power-up low.
  • Every I/O pin contains one I/O configuration register.
  • Every DQS pin contains one DQS configuration block in addition to the I/O configuration register.
Figure 182. Configuration Block (I/O and DQS)This figure shows the I/O configuration block and the DQS configuration block circuitry.

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