DDR Register plus Output Buffer for IGLOO®, ProASIC®3, SmartFusion® and Fusion
The following figure illustrates the DDR Register plus Output Buffer for IGLOO, ProASIC3, SmartFusion and Fusion devices.

The following table describes the ports of a DDR Register plus Output Buffer for IGLOO, ProASIC3, SmartFusion and Fusion.
| Port Name | Size | Type | Required/Optional | Function |
|---|---|---|---|---|
| PAD | WIDTH | Output | Required | Output Data |
| DataR | WIDTH | Input | Required | Input Data |
| DataF | WIDTH | Input | Required | Input Data |
| CLK | 1 | Input | Required | Clock |
| CLR | 1 | Input | Required | Clear |
