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".
|