General-Purpose I/O User Guide: Agilex™ 5 FPGAs and SoCs

ID 813934
Date 10/07/2024
Public
Document Table of Contents

2.3.1.3. HSIO Programmable IOE Features Assignment Names and Settings

Table 9.   HSIO Programmable IOE Features Assignment Names and SettingsThis table lists the programmable IOE features assignment names and values that you can specify in the Quartus® Prime Assignment Editor and Pin Planner tools.
Feature Assignment Name Supported Values
Slew rate control Slew Rate
  • 0—slow
  • 1—medium
  • 2—fast
  • 3—fastest

For the default setting, refer to the related information.

I/O delay
  • Input Delay Chain Setting
  • Output Delay Chain Setting
  • Output Enable Delay Chain Setting
Refer to the device data sheet.
Weak pull-up resistor Weak Pull-Up Resistor
  • On
  • Off (default)
Pre-emphasis Programmable Pre-emphasis
  • 0—off
  • 1—on (default)
De-emphasis Programmable De-emphasis
  • HIGH
  • HIGH CONST Z
  • LOW
  • LOW CONST Z
  • MEDIUM
  • MEDIUM CONST Z
  • OFF (default)
Receiver equalization calibration Receiver Equalization
  • OFF (default)
  • SMALL
  • MEDIUM
  • LARGE
Differential output voltage Programmable Differential Output Voltage (VOD)
  • 0—low
  • 1—medium low
  • 2—medium high (default)
  • 3—high