Table: IDDRE1 Attributes
lists the IDDRE1 attributes.
Table 2-2:
IDDRE1 Attributes
|
Attribute
|
Values
|
Default
|
Type
|
Description
|
|
DDR_CLK_EDGE
|
OPPOSITE_EDGE SAME_EDGE SAME_EDGE_PIPELINED
|
OPPOSITE_EDGE
|
String
|
Sets the IDDRE1 mode of operation with respect to clock edge.
|
|
IS_C_INVERTED
|
0 or 1
|
0
|
Bit
|
Sets a local clock inversion for C input when 1.
|
|
IS_CB_INVERTED
|
0 or 1
|
0
|
Bit
|
Sets a local clock inversion for CB input. When IS_CB_INVERTED=1, C and CB must be driven by the same global clock buffer. When IS_CB_INVERTED=0, CB must be driven by the same global clock buffer through an inverter.
|