FFT IP Core: User Guide

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ID 683374
Date 11/06/2017
Public
Document Table of Contents
Document Table of Contents x
1. About This IP Core 2. FFT IP Core Getting Started 3. FFT IP Core Functional Description 4. Block Floating Point Scaling 5. Document Revision History A. FFT IP Core User Guide Document Archive
1. About This IP Core x
1.1. Intel® DSP IP Core Features 1.2. FFT IP Core Features 1.3. General Description 1.4. DSP IP Core Device Family Support 1.5. DSP IP Core Verification 1.6. FFT IP Core Release Information 1.7. Performance and Resource Utilization
1.3. General Description x
1.3.1. Fixed Transform Size FFT 1.3.2. Variable Streaming FFT
2. FFT IP Core Getting Started x
2.1. Installing and Licensing Intel® FPGA IP Cores 2.2. IP Catalog and Parameter Editor 2.3. Generating IP Cores ( Intel® Quartus® Prime Pro Edition) 2.4. Generating IP Cores ( Intel® Quartus® Prime Standard Edition) 2.5. Simulating Intel® FPGA IP Cores 2.6. DSP Builder for Intel® FPGAs Design Flow
2.1. Installing and Licensing Intel® FPGA IP Cores x
2.1.1. Intel® FPGA IP Evaluation Mode 2.1.2. FFT IP Core Intel® FPGA IP Evaluation Mode Timeout Behavior
2.3. Generating IP Cores ( Intel® Quartus® Prime Pro Edition) x
2.3.1. IP Core Generation Output ( Intel® Quartus® Prime Pro Edition)
2.4. Generating IP Cores ( Intel® Quartus® Prime Standard Edition) x
2.4.1. IP Core Generation Output ( Intel® Quartus® Prime Standard Edition)
2.5. Simulating Intel® FPGA IP Cores x
2.5.1. Simulating the Fixed-Transform FFT IP Core in the MATLAB Software 2.5.2. Simulating the Variable Streaming FFT IP Core in the MATLAB Software
3. FFT IP Core Functional Description x
3.1. Fixed Transform FFTs 3.2. Variable Streaming FFTs 3.3. FFT Processor Engines 3.4. I/O Data Flow 3.5. FFT IP Core Parameters 3.6. FFT IP Core Interfaces and Signals
3.2. Variable Streaming FFTs x
3.2.1. Fixed-Point Variable Streaming FFTs 3.2.2. Floating-Point Variable Streaming FFTs
3.3. FFT Processor Engines x
3.3.1. Quad-Output FFT Engine 3.3.2. Single-Output FFT Engine
3.4. I/O Data Flow x
3.4.1. Streaming FFT 3.4.2. Variable Streaming 3.4.3. Buffered Burst 3.4.4. Burst
3.4.1. Streaming FFT x
3.4.1.1. Using the Streaming FFT 3.4.1.2. Changing the Direction on a Block-by-Block Basis 3.4.1.3. Enabling the Streaming FFT
3.4.2. Variable Streaming x
3.4.2.1. Changing Block Size 3.4.2.2. Changing Direction 3.4.2.3. I/O Order 3.4.2.4. Enabling the Variable Streaming FFT 3.4.2.5. Dynamically Changing the FFT Size 3.4.2.6. I/O Order
3.4.3. Buffered Burst x
3.4.3.1. Enabling the Buffered Burst FFT
3.6. FFT IP Core Interfaces and Signals x
3.6.1. Avalon-ST Interfaces in DSP IP Cores 3.6.2. FFT IP Core Avalon-ST Signals
3.6.2. FFT IP Core Avalon-ST Signals x
3.6.2.1. Component Specific Signals
4. Block Floating Point Scaling x
4.1. Possible Exponent Values 4.2. Implementing Scaling 4.3. Unity Gain in an IFFT+FFT Pair
4.2. Implementing Scaling x
4.2.1. Example of Scaling
1. About This IP Core
2. FFT IP Core Getting Started
3. FFT IP Core Functional Description
4. Block Floating Point Scaling
5. Document Revision History
A. FFT IP Core User Guide Document Archive

1.7. Performance and Resource Utilization

Table 3.  Performance and Resource Utilization Typical performance using the Quartus Prime software with the Arria V (5AGXFB3H4F40C4), Cyclone V (5CGXFC7D6F31C6), and Stratix V (5SGSMD4H2F35C2) devices
Device Parameters ALM DSP Blocks Memory Registers fMAX (MHz)
Type Length Engines M10K M20K Primary Secondary
Arria V Buffered Burst 1,024 1 1,572 6 16 -- 3,903 143 275
Arria V Buffered Burst 1,024 2 2,512 12 30 -- 6,027 272 274
Arria V Buffered Burst 1,024 4 4,485 24 59 -- 10,765 426 262
Arria V Buffered Burst 256 1 1,532 6 16 -- 3,713 136 275
Arria V Buffered Burst 256 2 2,459 12 30 -- 5,829 246 245
Arria V Buffered Burst 256 4 4,405 24 59 -- 10,539 389 260
Arria V Buffered Burst 4,096 1 1,627 6 59 -- 4,085 130 275
Arria V Buffered Burst 4,096 2 2,555 12 59 -- 6,244 252 275
Arria V Buffered Burst 4,096 4 4,526 24 59 -- 10,986 438 265
Arria V Burst Quad Output 1,024 1 1,565 6 8 -- 3,807 147 273
Arria V Burst Quad Output 1,024 2 2,497 12 14 -- 5,952 225 275
Arria V Burst Quad Output 1,024 4 4,461 24 27 -- 10,677 347 257
Arria V Burst Quad Output 256 1 1,527 6 8 -- 3,610 153 272
Arria V Burst Quad Output 256 2 2,474 12 14 -- 5,768 233 275
Arria V Burst Quad Output 256 4 4,403 24 27 -- 10,443 437 257
Arria V Burst Quad Output 4,096 1 1,597 6 27 -- 3,949 151 275
Arria V Burst Quad Output 4,096 2 2,551 12 27 -- 6,119 223 275
Arria V Burst Quad Output 4,096 4 4,494 24 27 -- 10,844 392 256
Arria V Burst Single Output 1,024 1 672 2 6 -- 1,488 101 275
Arria V Burst Single Output 1,024 2 994 4 10 -- 2,433 182 275
Arria V Burst Single Output 256 1 636 2 3 -- 1,442 95 275
Arria V Burst Single Output 256 2 969 4 8 -- 2,375 152 275
Arria V Burst Single Output 4,096 1 702 2 19 -- 1,522 126 270
Arria V Burst Single Output 4,096 2 1,001 4 25 -- 2,521 156 275
Arria V Streaming 1,024 — 1,880 6 20 -- 4,565 167 275
Arria V Streaming 256 — 1,647 6 20 -- 3,838 137 275
Arria V Streaming 4,096 — 1,819 6 71 -- 4,655 137 275
Arria V Variable Streaming Floating Point 1,024 — 11,195 48 89 -- 18,843 748 163
Arria V Variable Streaming Floating Point 256 — 8,639 36 62 -- 15,127 609 161
Arria V Variable Streaming Floating Point 4,096 — 13,947 60 138 -- 22,598 854 162
Arria V Variable Streaming 1,024 — 2,535 11 14 -- 6,269 179 223
Arria V Variable Streaming 256 — 1,913 8 8 -- 4,798 148 229
Arria V Variable Streaming 4,096 — 3,232 15 31 -- 7,762 285 210
Cyclone V Buffered Burst 1,024 1 1,599 6 16 -- 3,912 114 226
Cyclone V Buffered Burst 1,024 2 2,506 12 30 -- 6,078 199 219
Cyclone V Buffered Burst 1,024 4 4,505 24 59 -- 10,700 421 207
Cyclone V Buffered Burst 256 1 1,528 6 16 -- 3,713 115 227
Cyclone V Buffered Burst 256 2 2,452 12 30 -- 5,833 211 232
Cyclone V Buffered Burst 256 4 4,487 24 59 -- 10,483 424 221
Cyclone V Buffered Burst 4,096 1 1,649 6 59 -- 4,060 138 223
Cyclone V Buffered Burst 4,096 2 2,555 12 59 -- 6,254 199 227
Cyclone V Buffered Burst 4,096 4 4,576 24 59 -- 10,980 377 214
Cyclone V Burst Quad Output 1,024 1 1,562 6 8 -- 3,810 122 225
Cyclone V Burst Quad Output 1,024 2 2,501 12 14 -- 5,972 196 231
Cyclone V Burst Quad Output 1,024 4 4,480 24 27 -- 10,643 372 216
Cyclone V Burst Quad Output 256 1 1,534 6 8 -- 3,617 120 226
Cyclone V Burst Quad Output 256 2 2,444 12 14 -- 5,793 153 224
Cyclone V Burst Quad Output 256 4 4,443 24 27 -- 10,402 379 223
Cyclone V Burst Quad Output 4,096 1 1,590 6 27 -- 3,968 120 237
Cyclone V Burst Quad Output 4,096 2 2,547 12 27 -- 6,135 209 227
Cyclone V Burst Quad Output 4,096 4 4,512 24 27 -- 10,798 388 210
Cyclone V Burst Single Output 1,024 1 673 2 6 -- 1,508 83 222
Cyclone V Burst Single Output 1,024 2 984 4 10 -- 2,475 126 231
Cyclone V Burst Single Output 256 1 639 2 3 -- 1,382 159 229
Cyclone V Burst Single Output 256 2 967 4 8 -- 2,353 169 240
Cyclone V Burst Single Output 4,096 1 695 2 19 -- 1,540 105 237
Cyclone V Burst Single Output 4,096 2 1,009 4 25 -- 2,536 116 240
Cyclone V Streaming 1,024 — 1,869 6 20 -- 4,573 132 211
Cyclone V Streaming 256 — 1,651 6 20 -- 3,878 85 226
Cyclone V Streaming 4,096 — 1,822 6 71 -- 4,673 124 199
Cyclone V Variable Streaming Floating Point 1,024 — 11,184 48 89 -- 18,830 628 133
Cyclone V Variable Streaming Floating Point 256 — 8,611 36 62 -- 15,156 467 133
Cyclone V Variable Streaming Floating Point 4,096 — 13,945 60 138 -- 22,615 701 132
Cyclone V Variable Streaming 1,024 — 2,533 11 14 -- 6,254 240 179
Cyclone V Variable Streaming 256 — 1,911 8 8 -- 4,786 176 180
Cyclone V Variable Streaming 4,096 — 3,226 15 31 -- 7,761 320 176
Stratix V Buffered Burst 1,024 1 1,610 6 -- 16 4,141 107 424
Stratix V Buffered Burst 1,024 2 2,545 12 -- 30 6,517 170 427
Stratix V Buffered Burst 1,024 4 4,554 24 -- 59 11,687 250 366
Stratix V Buffered Burst 256 1 1,546 6 -- 16 3,959 110 493
Stratix V Buffered Burst 256 2 2,475 12 -- 30 6,314 134 440
Stratix V Buffered Burst 256 4 4,480 24 -- 59 11,477 281 383
Stratix V Buffered Burst 4,096 1 1,668 6 -- 30 4,312 122 432
Stratix V Buffered Burst 4,096 2 2,602 12 -- 30 6,718 176 416
Stratix V Buffered Burst 4,096 4 4,623 24 -- 59 11,876 249 392
Stratix V Burst Quad Output 1,024 1 1,550 6 -- 8 4,037 115 455
Stratix V Burst Quad Output 1,024 2 2,444 12 -- 14 6,417 164 433
Stratix V Burst Quad Output 1,024 4 4,397 24 -- 27 11,548 330 416
Stratix V Burst Quad Output 256 1 1,487 6 -- 8 3,868 83 477
Stratix V Burst Quad Output 256 2 2,387 12 -- 14 6,211 164 458
Stratix V Burst Quad Output 256 4 4,338 24 -- 27 11,360 307 409
Stratix V Burst Quad Output 4,096 1 1,593 6 -- 14 4,222 93 448
Stratix V Burst Quad Output 4,096 2 2,512 12 -- 14 6,588 154 470
Stratix V Burst Quad Output 4,096 4 4,468 24 -- 27 11,773 267 403
Stratix V Burst Single Output 1,024 1 652 2 -- 4 1,553 111 500
Stratix V Burst Single Output 1,024 2 1,011 4 -- 8 2,687 149 476
Stratix V Burst Single Output 256 1 621 2 -- 3 1,502 132 500
Stratix V Burst Single Output 256 2 978 4 -- 8 2,555 173 500
Stratix V Burst Single Output 4,096 1 681 2 -- 9 1,589 149 500
Stratix V Burst Single Output 4,096 2 1,039 4 -- 14 2,755 161 476
Stratix V Streaming 1,024 — 1,896 6 -- 20 4,814 144 490
Stratix V Streaming 256 — 1,604 6 -- 20 4,062 99 449
Stratix V Streaming 4,096 — 1,866 6 -- 38 4,889 118 461
Stratix V Variable Streaming Floating Point 1,024 — 11,607 32 -- 87 19,031 974 355
Stratix V Variable Streaming Floating Point 256 — 8,850 24 -- 59 15,297 820 374
Stratix V Variable Streaming Floating Point 4,096 — 14,335 40 -- 115 22,839 1,047 325
Stratix V Variable Streaming 1,024 — 2,334 14 -- 13 5,623 201 382
Stratix V Variable Streaming 256 — 1,801 10 -- 8 4,443 174 365
Stratix V Variable Streaming 4,096 — 2,924 18 -- 23 6,818 238 355
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