EP2S130F1020I4 Datasheet, PDF (524/768 Pages) List of Unclassifed Manufacturers – Stratix II Device Handbook, Volume 1

Architecture
Architecture
The DSP block consists of the following elements:
■ A multiplier block
■ An adder/subtractor/accumulator block
■ A summation block
■ Input and output interfaces
■ Input and output registers
Multiplier Block
Each multiplier block has the following elements:
■ Input registers
■ A multiplier block
■ A rounding and/or saturation stage for Q1.15 input formats
■ A pipeline output register
6–8
Stratix II Device Handbook, Volume 2
Altera Corporation
January 2008