EP2AGX45DF29I5 Altera, EP2AGX45DF29I5 Datasheet - Page 76
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EP2AGX45DF29I5
Manufacturer Part Number
EP2AGX45DF29I5
Description
IC ARRIA II GX FPGA 45K 780FBGA
Manufacturer
Altera
Series
Arria II GXr
Datasheets
1.EP2AGX45CU17C6N.pdf
(96 pages)
2.EP2AGX45CU17C6N.pdf
(14 pages)
3.EP2AGX45CU17C6N.pdf
(692 pages)
4.EP2AGX45CU17C6N.pdf
(10 pages)
5.EP2AGX45CU17C6N.pdf
(88 pages)
Specifications of EP2AGX45DF29I5
Number Of Logic Elements/cells
42959
Number Of Labs/clbs
1805
Total Ram Bits
3435
Number Of I /o
364
Voltage - Supply
0.87 V ~ 0.93 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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4–4
Simplified DSP Operation
Figure 4–2. Basic Two-Multiplier Adder Building Block
Arria II Device Handbook Volume 1: Device Interfaces and Integration
A0[17..0]
B0[17..0]
A1[17..0]
B1[17..0]
In Arria II devices, the fundamental building block is a pair of 18 × 18-bit multipliers
followed by a first-stage 37-bit addition and subtraction unit shown in
and
2’s-complement format only.
Equation 4–1. Multiplier Equation
The structure shown in
such as complex multipliers and 36 × 36 multipliers, as described in later sections.
Each Arria II DSP block contains four two-multiplier adder units
(2 two-multiplier adder units per half block). Therefore, there are eight 18 × 18
multiplier functionalities per DSP block. For a detailed diagram of the DSP block,
refer to
Following the two-multiplier adder units are the pipeline registers, the second-stage
adders, and an output register stage. You can configure the second-stage adders to
provide the alternative functions shown in
block.
Equation 4–2. Four-Multiplier Adder Equation
Figure
Figure 4–5 on page
P[36..0] = A
Z[37..0] = P
4–2. For all signed numbers, input and output data is represented in
D
D
Q
Q
0
0
[36..0] + P
[17..0] × B
Figure 4–2
4–8.
1
0
[36..0]
[17..0] ± A
is useful for building more complex structures,
1
[17..0] × B
Equation 4–1
+/-
1
[17..0]
Chapter 4: DSP Blocks in Arria II Devices
and
December 2010 Altera Corporation
Equation 4–2
P[36..0]
Simplified DSP Operation
Equation 4–1
per half
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