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

ID 683780
Date 6/14/2022
Public

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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.

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