Altera® Quartus® Prime Standard Edition Settings File Reference Manual

ID 683084
Date 5/08/2017
Public
Document Table of Contents

1.10.62. DDIO_INPUT_REGISTER

Directs the Compiler to perform special placement and routing of the specified register to prevent register packing of the input registers into the IO registers. This is used for registers involved in DDR memory interfaces. A setting of High designates the input register that gets set on the rising edge of the clock; a setting of Low designates the input register that gets set on the falling edge of the clock.

Type

Enumeration

Values

  • High
  • Low
  • Off

Device Support

  • Cyclone
  • Cyclone 10 LP
  • Cyclone II
  • Cyclone III
  • Cyclone III LS
  • Cyclone IV E
  • Cyclone IV GX
  • MAX 10

Notes

This assignment supports Fitter wildcards.

Syntax


		set_instance_assignment -name DDIO_INPUT_REGISTER -to <to> -entity <entity name> <value>