Intel Agilex® 7 General-Purpose I/O User Guide: F-Series and I-Series

ID 683780
Date 4/19/2023
Public

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2.3.1.3. GPIO Programmable IOE Features Assignment Names and Settings

Table 8.   GPIO 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)

For the default setting, refer to the related information.

I/O delay
  • Input Delay Chain Setting
  • Output Delay Chain Setting
Refer to the device data sheet
Bus-hold4 Enable Bus-Hold Circuitry
  • On
  • Off (default)
Weak pull-up resistor5 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.