EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 110

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

DSP Block Resource Descriptions
DSP Block
Resource
Descriptions
5–10
Stratix III Device Handbook, Volume 1
two-multiplier adder in the other Half-Block. This increases DSP block
resource efficiency and allows you to implement more multipliers within
a Stratix III device. The Quartus II software automatically places
multipliers that can share the same DSP block resources within the same
block.
The DSP block consists of the following elements:
■
■
■
■
■
■
A detailed overall architecture of the top half of the DSP block is shown
in
Figure
Input register bank
Four Two-Multiplier Adders
Pipeline register bank
Two second-stage adders
Four round and saturation logic units
Second adder register and output register bank
5–6.
Altera Corporation
October 2007