Parameters

Parameter Type Required Comments

DDIOINCLK_INPUT

String No

Specifies which input variable to use for the ddioinclk ports. Value is "NEGATED_INCLK".

EXTEND_OE_DISABLE

String No

Specifies whether to use the second OE register. Values are "TRUE" or "FALSE". If omitted, the default is "FALSE".

INVERT_INPUT_CLOCKS

String No

Specifies whether to invert the input clocks. The INVERT_INPUT_CLOCKS parameter should be used with double data rate (DDR) memory. When the input clock is inverted, the first bit of data is captured on a rising-edge clock; when the input clock in not inverted, the first bit of data is captured on a falling-edge clock.

NUMBER_OF_DQ

Integer Yes Specifies the number of DQ pins.

OE_REG

String No

Specifies whether to register the oe port. Values are "REGISTERED" or "UNREGISTERED".

POWER_UP_HIGH

String No

Specifies the power-up condition of the I/O registers. Values are "ON" or "OFF". If omitted, the default is "OFF".