Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide

ID 683780
Date 6/14/2022
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

2.3.1.3. GPIO Programmable IOE Features Assignment Names and Settings

Table 8.   Intel® Agilex™ Programmable IOE Features Assignment Names and SettingsThis table lists the programmable IOE features assignment names and values that you can specify in the Intel® Quartus® Prime Assignment Editor and Pin Planner tools.
Feature Assignment Name Supported Values
Slew rate control Slew Rate
  • 0—slow)
  • 1—medium
  • 2—fast (default)
I/O delay Input Delay Chain Setting Refer to the device data sheet
Output Delay Chain Setting
Bus-hold 4 Enable Bus-Hold Circuitry
  • On
  • Off (default)
Weak pull-up resistor 5 Weak Pull-Up Resistor
  • On
  • Off (default)
Pre-emphasis Programmable Pre-emphasis
  • 0—off
  • 1—low power (default)
  • 2—constant Z
De-emphasis Programmable De-emphasis
  • HIGH
  • HIGH CONST Z
  • LOW
  • LOW CONST Z
  • MEDIUM
  • MEDIUM CONST Z
  • OFF (default)
Differential output voltage Programmable Differential Output Voltage (VOD)
  • 0—low
  • 1—medium low
  • 2—medium high (default)
  • 3—high
4 Not available if you assign Weak Pull-Up Resistor.
5 Not available if you assign Enable Bus-Hold Circuitry.