Supported Operational Modes In Cyclone V Devices - Altera Cyclone V Device Handbook

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Supported Operational Modes in Cyclone V Devices

Supported Operational Modes in Cyclone V Devices
Table 3-1: Variable Precision DSP Blocks Operational Modes for Cyclone V Devices
Variable-Precision
Operation Mode
DSP Block Resource
Independent
9 x 9
multiplication
Independent
18 x 18
multiplication
Independent
18 x 19
multiplication
Independent
18 x 25
multiplication
1 variable
precision DSP
Independent
block
20 x 24
multiplication
Independent
27 x 27
multiplication
Two 18 x 19
multiplier adder
mode
18 x 18
multiplier adder
summed with
36-bit input
2 variable
Complex 18 x 19
precision DSP
multiplication
blocks
(1)
When you enable the pre-adder feature, the input cascade support is not available.
Altera Corporation
Supported Pre-Adder
Instance Support
3 No
2 Yes
2 Yes
1 Yes
1 Yes
1 Yes
1 Yes
1 Yes
1 No
Input
Coefficient
Cascade
Support
(1)
Support
No No
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
No No
No Yes
Variable Precision DSP Blocks in Cyclone V Devices
CV-52003
2014.01.10
Chainout Support
No
No
No
Yes
Yes
Yes
Yes
Yes
No
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