Parameterized for Data Width
Choice of Input Buffers
Choice of Output Buffers (ProASIC3/E only)
Choice of Bidirectional buffers (ProASIC3/E only)
Axcelerator, ProASIC3/E, Fusion
SmartGen can generate Dual Data Rate Registers parameterized for a specific Data Width and with a choice of the type of Input Buffers.
In ProASIC3/E, the DDR Registers may also be combined with output buffers or bi-directional buffers.
The Bidirectional enable signal polarity (TriEN) is selectable.
|
Parameter Description |
|
Parameter |
Value |
Function |
|
WIDTH |
1-128 |
Data Width |

|
Port Description - Input Buffer plus DDR Register for Axcelerator |
|
Port Name |
Size |
Type |
Req/Opt |
Function |
|
PAD |
WIDTH |
Input |
Req. |
Input Data |
|
QR |
WIDTH |
Output |
Req. |
Output Data |
|
QF |
WIDTH |
Output |
Req. |
Ouput Data |
|
E |
1 |
Input |
Req. |
Enable |
|
CLK |
1 |
Input |
Req. |
Clock |
|
CLR |
1 |
Input |
Req. |
Clear |
|
PRE |
1 |
Input |
Req. |
Preset |

|
Port Description - Input Buffer plus DDR Register for ProASIC3/E |
|
Port Name |
Size |
Type |
Req/Opt |
Function |
|
PAD |
WIDTH |
Input |
Req. |
Input Data |
|
QR |
WIDTH |
Output |
Req. |
Output Data |
|
QF |
WIDTH |
Output |
Req. |
Ouput Data |
|
CLK |
1 |
Input |
Req. |
Clock |
|
CLR |
1 |
Input |
Req. |
Clear |
|
Port Description - Bidirectional Buffer plus DDR Register for ProASIC3/E |

|
Port Name |
Size |
Type |
Req/Opt |
Function |
|
PAD |
WIDTH |
Input/Output |
Req. |
Input/Output Data |
|
DataR |
WIDTH |
Input |
Req. |
Input Data |
|
DataF |
WIDTH |
Input |
Req. |
Input Data |
|
QR |
WIDTH |
Output |
Req. |
Output Data |
|
QF |
WIDTH |
Output |
Req. |
Output Data |
|
TriEN |
1 |
Input |
Req. |
Bibuf-Enable |
|
CLK |
1 |
Input |
Req. |
Clock |
|
CLR |
1 |
Input |
Req. |
Clear |
|
Port Description - DDR Register plus Output Buffer for ProASIC3/E |

|
Port Name |
Size |
Type |
Req/Opt |
Function |
|
PAD |
WIDTH |
Output |
Req. |
Output Data |
|
DataR |
WIDTH |
Input |
Req. |
Input Data |
|
DataF |
WIDTH |
Input |
Req. |
Input Data |
|
CLK |
1 |
Input |
Req. |
Clock |
|
CLR |
1 |
Input |
Req. |
Clear |
|
Port Description - Tri-State Buffer plus DDR Register for ProASIC3/E |

|
Port Name |
Size |
Type |
Req/Opt |
Function |
|
PAD |
WIDTH |
Input/Output |
Req. |
Output Data |
|
DataR |
WIDTH |
Input |
Req. |
Input Data |
|
DataF |
WIDTH |
Input |
Req. |
Input Data |
|
TriEN |
1 |
Input |
Req. |
Tribuf Enable |
|
CLK |
1 |
Input |
Req. |
Clock |
|
CLR |
1 |
Input |
Req. |
Clear |