Agilex™ 7 General-Purpose I/O User Guide: M-Series

ID 772138
Date 3/22/2024
Public

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2.3.1.3. GPIO-B Programmable IOE Features Assignment Names and Settings

Table 9.   GPIO-B 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