Intel® Stratix® 10 Variable Precision DSP Blocks User Guide

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ID 683832
Date 8/13/2021
Public
Document Table of Contents
Document Table of Contents x
1. Intel® Stratix® 10 Variable Precision DSP Blocks Overview 2. Block Architecture Overview 3. Operational Mode Descriptions 4. Design Considerations 5. Intel® Stratix® 10 Variable Precision DSP Blocks Implementation Guide 6. Native Fixed Point DSP Intel® Stratix® 10 FPGA IP Core References 7. Multiply Adder IP Core References 8. ALTMULT_COMPLEX Intel® FPGA IP Core Reference 9. LPM_MULT Intel® FPGA IP Core References 10. Native Floating Point DSP Intel® Stratix® 10 FPGA IP References 11. LPM_DIVIDE (Divider) Intel FPGA IP Core 12. Intel® Stratix® 10 Variable Precision DSP Blocks User Guide Document Archives 13. Document Revision History for the Intel® Stratix® 10 Variable Precision DSP Blocks User Guide
1. Intel® Stratix® 10 Variable Precision DSP Blocks Overview x
1.1. Features 1.2. Supported Operational Modes in Intel® Stratix® 10 Devices 1.3. Resources
2. Block Architecture Overview x
2.1. Input Register Bank for Fixed-Point and Floating-Point Arithmetic 2.2. Pipeline Registers for Fixed-Point and Floating-Point Arithmetic 2.3. Pre-adder for Fixed-Point Arithmetic 2.4. Internal Coefficient for Fixed-Point Arithmetic 2.5. Multipliers for Fixed-Point and Floating-Point Arithmetic 2.6. Adder or Subtractor for Fixed-Point and Floating-Point Arithmetic 2.7. Accumulator, Chainout Adder, and Preload Constant for Fixed-Point Arithmetic 2.8. Systolic Register for Fixed-Point Arithmetic 2.9. Double Accumulation Register for Fixed-Point Arithmetic 2.10. Output Register Bank for Fixed-Point and Floating-Point Arithmetic 2.11. Exception Handling for Floating-Point Arithmetic
3. Operational Mode Descriptions x
3.1. Operational Modes for Fixed-Point Arithmetic 3.2. Operational Modes for Floating-Point Arithmetic
3.1. Operational Modes for Fixed-Point Arithmetic x
3.1.1. Independent Multiplier Mode 3.1.2. Multiplier Adder Sum Mode 3.1.3. Independent Complex Multiplier 3.1.4. 18 × 19 Multiplication Summed with 36-Bit Input Mode 3.1.5. Systolic FIR Mode
3.1.1. Independent Multiplier Mode x
3.1.1.1. 18 × 18 or 18 × 19 Independent Multiplier 3.1.1.2. 27 × 27 Independent Multiplier
3.1.5. Systolic FIR Mode x
3.1.5.1. Mapping Systolic Mode User View to Variable Precision Block Architecture View 3.1.5.2. 18-bit Systolic FIR Mode 3.1.5.3. 27-Bit Systolic FIR Mode
3.2. Operational Modes for Floating-Point Arithmetic x
3.2.1. Single Floating-Point Arithmetic Functions 3.2.2. Multiple Floating-Point Arithmetic Functions
3.2.1. Single Floating-Point Arithmetic Functions x
3.2.1.1. Multiplication Mode 3.2.1.2. Adder or Subtract Mode 3.2.1.3. Multiply Accumulate Mode
3.2.2. Multiple Floating-Point Arithmetic Functions x
3.2.2.1. Multiply-Add or Multiply-Subtract Mode 3.2.2.2. Vector One Mode 3.2.2.3. Vector Two Mode 3.2.2.4. Direct Vector Dot Product 3.2.2.5. Complex Multiplication
4. Design Considerations x
4.1. Internal Coefficient and Pre-Adder for Fixed-Point Arithmetic 4.2. Accumulator for Fixed-Point Arithmetic 4.3. Chainout Adder 4.4. Input Cascade for Fixed-Point Arithmetic 4.5. DSP Block Cascade Limit in Intel® Stratix® 10 Devices
5. Intel® Stratix® 10 Variable Precision DSP Blocks Implementation Guide x
5.1. 'X' Propagation Support in Simulation
6. Native Fixed Point DSP Intel® Stratix® 10 FPGA IP Core References x
6.1. Native Fixed Point DSP Intel® Stratix® 10 FPGA IP Release Information 6.2. Supported Operational Modes 6.3. Maximum Input Data Width for Fixed-Point Arithmetic 6.4. Parameterizing Native Fixed Point DSP IP Core 6.5. Signals
6.3. Maximum Input Data Width for Fixed-Point Arithmetic x
6.3.1. Using Less Than 36-Bit Operand In 18 x 18 Plus 36 Mode Example
6.4. Parameterizing Native Fixed Point DSP IP Core x
6.4.1. Native Fixed Point DSP Intel® Stratix® 10 FPGA IP Parameters
7. Multiply Adder IP Core References x
7.1. Multiply Adder Intel FPGA IP Release Information 7.2. Features 7.3. Parameters 7.4. Signals
7.2. Features x
7.2.1. Pre-adder 7.2.2. Systolic Delay Register 7.2.3. Pre-load Constant 7.2.4. Double Accumulator
7.2.1. Pre-adder x
7.2.1.1. Pre-adder Simple Mode 7.2.1.2. Pre-adder Coefficient Mode 7.2.1.3. Pre-adder Input Mode 7.2.1.4. Pre-adder Square Mode 7.2.1.5. Pre-adder Constant Mode
7.3. Parameters x
7.3.1. General Tab 7.3.2. Extra Modes 7.3.3. Multipliers Tab 7.3.4. Preadder Tab 7.3.5. Accumulator Tab 7.3.6. Systolic/Chainout Tab 7.3.7. Pipelining Tab
8. ALTMULT_COMPLEX Intel® FPGA IP Core Reference x
8.1. ALTMULT_COMPLEX Intel FPGA IP Release Information 8.2. Features 8.3. Complex Multiplication 8.4. Parameters 8.5. Signals
9. LPM_MULT Intel® FPGA IP Core References x
9.1. LPM_MULT Intel FPGA IP Release Information 9.2. Features 9.3. Parameters 9.4. Signals
9.3. Parameters x
9.3.1. General Tab 9.3.2. General 2 Tab 9.3.3. Pipelining Tab
10. Native Floating Point DSP Intel® Stratix® 10 FPGA IP References x
10.1. Native Floating Point DSP Intel® Stratix® 10 FPGA IP Release Information 10.2. Native Floating Point DSP Intel® Stratix® 10 FPGA IP Core Supported Operational Modes 10.3. Parameterizing the Native Floating Point DSP Intel® Stratix® 10 FPGA IP 10.4. Native Floating Point DSP Intel® Stratix® 10 FPGA IP Core Signals
10.3. Parameterizing the Native Floating Point DSP Intel® Stratix® 10 FPGA IP x
10.3.1. Native Floating Point DSP Intel® Stratix® 10 FPGA IP Parameters
11. LPM_DIVIDE (Divider) Intel FPGA IP Core x
11.1. LPM_DIVIDE Intel® FPGA IP Release Information 11.2. Features 11.3. Verilog HDL Prototype 11.4. VHDL Component Declaration 11.5. VHDL LIBRARY_USE Declaration 11.6. Ports 11.7. Parameters
11.7. Parameters x
11.7.1. General Tab 11.7.2. General1 Tab
1. Intel® Stratix® 10 Variable Precision DSP Blocks Overview
2. Block Architecture Overview
3. Operational Mode Descriptions
4. Design Considerations
5. Intel® Stratix® 10 Variable Precision DSP Blocks Implementation Guide
6. Native Fixed Point DSP Intel® Stratix® 10 FPGA IP Core References
7. Multiply Adder IP Core References
8. ALTMULT_COMPLEX Intel® FPGA IP Core Reference
9. LPM_MULT Intel® FPGA IP Core References
10. Native Floating Point DSP Intel® Stratix® 10 FPGA IP References
11. LPM_DIVIDE (Divider) Intel FPGA IP Core
12. Intel® Stratix® 10 Variable Precision DSP Blocks User Guide Document Archives
13. Document Revision History for the Intel® Stratix® 10 Variable Precision DSP Blocks User Guide

1.3. Resources

Table 3.  Number of Multipliers in Intel® Stratix® 10 Devices
Product Line

Number of Variable-precision

DSP Block

Independent Input and Output

Number of Multiplications Operator

Single-Precision Floating-Point Multiplier Single-Precision Floating-Point Adders

18 x 19

Multiplier Adder Sum Mode

18 x 18

Multiplier Adder Summed with 36 bit Input

18 x 19

Multiplier

27 x 27

Multiplier

GX 400/ SX 400 648 1,296 648 648 648 648 648
GX 650/ SX 650 1,152 2,304 1,152 1,152 1,152 1,152 1,152
GX 850/ SX 850 2,016 4,032 2,016 2,016 2,016 2,016 2,016
GX 1100/ SX 1100 2,592 5,184 2,592 2,592 2,592 2,592 2,592
GX 1650/ SX 1650 3,145 6,290 3,145 3,145 3,145 3,145 3,145
GX 2100/ SX 2100 3,744 7,488 3,744 3,744 3,744 3,744 3,744
GX 2500/ SX 2500 5,011 10,022 5,011 5,011 5,011 5,011 5,011
GX 2800/ SX 2800 5,760 11,520 5,760 5,760 5,760 5,760 5,760
GX 1660 3,326 6,652 3,326 3,326 3,326 3,326 3,326
GX 2110 3,960 7,920 3,960 3,960 3,960 3,960 3,960
TX 400 648 1,296 648 648 648 648 648
TX 850 2,016 4,032 2,016 2,016 2,016 2,016 2,016
TX 1100 2,592 5,184 2,592 2,592 2,592 2,592 2,592
TX 1650 3,326 6,652 3,326 3,326 3,326 3,326 3,326
TX 2100 3,960 7,920 3,960 3,960 3,960 3,960 3,960
TX 2500 5,011 10,022 5,011 5,011 5,011 5,011 5,011
TX 2800 5,760 11,520 5,760 5,760 5,760 5,760 5,760
MX 1650 3,326 6,652 3,326 3,326 3,326 3,326 3,326
MX 2100 3,960 7,920 3,960 3,960 3,960 3,960 3,960
DX 1100 2,592 5,184 2,592 2,592 2,592 2,592 2,592
DX 2100 3,960 7,920 3,960 3,960 3,960 3,960 3,960
DX 2800 5,760 11,520 5,760 5,760 5,760 5,760 5,760
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