7. Implementing High Performance DSP Functions in Stratix & S" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� EP1S25F672C8
寤犲晢锛� Altera
鏂囦欢闋佹暩(sh霉)锛� 533/864闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC STRATIX FPGA 25K LE 672-FBGA
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Three Reasons to Use FPGA's in Industrial Designs
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 20
绯诲垪锛� Stratix®
LAB/CLB鏁�(sh霉)锛� 2566
閭忚集鍏冧欢/鍠厓鏁�(sh霉)锛� 25660
RAM 浣嶇附瑷�(j矛)锛� 1944576
杓稿叆/杓稿嚭鏁�(sh霉)锛� 473
闆绘簮闆诲锛� 1.425 V ~ 1.575 V
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
宸ヤ綔婧害锛� 0°C ~ 85°C
灏佽/澶栨锛� 672-BBGA
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 672-BGA锛�27x27锛�
鍏跺畠鍚嶇ū锛� 544-1119
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Altera Corporation
7鈥�1
September 2004
7. Implementing High
Performance DSP Functions
in Stratix & Stratix GX Devices
Introduction
Digital signal processing (DSP) is a rapidly advancing field. With
products increasing in complexity, designers face the challenge of
selecting a solution with both flexibility and high performance that can
meet fast time-to-market requirements. DSP processors offer flexibility,
but they lack real-time performance, while application-specific standard
products (ASSPs) and application-specific integrated circuits (ASICs)
offer performance, but they are inflexible. Only programmable logic
devices (PLDs) offer both flexibility and high performance to meet
advanced design challenges.
The mathematical theory underlying basic DSP building blocks鈥攕uch as
the finite impulse response (FIR) filter, infinite impulse response (IIR)
filter, fast fourier transform (FFT), and direct cosine transform (DCT)鈥攊s
computationally intensive. Altera Stratix and Stratix GX devices
feature dedicated DSP blocks optimized for implementing arithmetic
operations, such as multiply, multiply-add, and multiply-accumulate.
In addition to DSP blocks, Stratix and Stratix GX devices have
TriMatrix embedded memory blocks that feature various sizes that can
be used for data buffering, which is important for most DSP applications.
These dedicated hardware features make Stratix and Stratix GX devices
an ideal DSP solution.
This chapter describes the implementation of high performance DSP
functions, including filters, transforms, and arithmetic functions, using
Stratix and Stratix GX DSP blocks. The following topics are discussed:
鈻�
FIR filters
鈻�
IIR filters
鈻�
Matrix manipulation
鈻�
Discrete Cosine Transform
鈻�
Arithmetic functions
Stratix &
Stratix GX DSP
Block Overview
Stratix and Stratix GX devices feature DSP blocks that can efficiently
implement DSP functions, including multiply, multiply-add, and
multiply-accumulate. The DSP blocks also have three built-in registers
sets: the input registers, the pipeline registers at the multiplier output,
and the output registers. Figure 7鈥�1 shows the DSP block operating in the
18
18-bit mode.
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鍙冩暩(sh霉)鎻忚堪
EP1S25F672C8N 鍔熻兘鎻忚堪:FPGA - 鐝�(xi脿n)鍫村彲绶ㄧ▼闁€闄e垪 FPGA - Stratix I 2566 LABs 473 IOs RoHS:鍚� 鍒堕€犲晢:Altera Corporation 绯诲垪:Cyclone V E 鏌垫サ鏁�(sh霉)閲�: 閭忚集濉婃暩(sh霉)閲�:943 鍏�(n猫i)宓屽紡濉奟AM - EBR:1956 kbit 杓稿叆/杓稿嚭绔暩(sh霉)閲�:128 鏈€澶у伐浣滈牷鐜�:800 MHz 宸ヤ綔闆绘簮闆诲:1.1 V 鏈€澶у伐浣滄韩搴�:+ 70 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-256
EP1S25F672I7 鍔熻兘鎻忚堪:FPGA - 鐝�(xi脿n)鍫村彲绶ㄧ▼闁€闄e垪 FPGA - Stratix I 2566 LABs 473 IOs RoHS:鍚� 鍒堕€犲晢:Altera Corporation 绯诲垪:Cyclone V E 鏌垫サ鏁�(sh霉)閲�: 閭忚集濉婃暩(sh霉)閲�:943 鍏�(n猫i)宓屽紡濉奟AM - EBR:1956 kbit 杓稿叆/杓稿嚭绔暩(sh霉)閲�:128 鏈€澶у伐浣滈牷鐜�:800 MHz 宸ヤ綔闆绘簮闆诲:1.1 V 鏈€澶у伐浣滄韩搴�:+ 70 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-256
EP1S25F672I7N 鍔熻兘鎻忚堪:FPGA - 鐝�(xi脿n)鍫村彲绶ㄧ▼闁€闄e垪 FPGA - Stratix I 2566 LABs 473 IOs RoHS:鍚� 鍒堕€犲晢:Altera Corporation 绯诲垪:Cyclone V E 鏌垫サ鏁�(sh霉)閲�: 閭忚集濉婃暩(sh霉)閲�:943 鍏�(n猫i)宓屽紡濉奟AM - EBR:1956 kbit 杓稿叆/杓稿嚭绔暩(sh霉)閲�:128 鏈€澶у伐浣滈牷鐜�:800 MHz 宸ヤ綔闆绘簮闆诲:1.1 V 鏈€澶у伐浣滄韩搴�:+ 70 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-256
EP1S25F780C5 鍔熻兘鎻忚堪:FPGA - 鐝�(xi脿n)鍫村彲绶ㄧ▼闁€闄e垪 FPGA - Stratix I 2566 LABs 597 IOs RoHS:鍚� 鍒堕€犲晢:Altera Corporation 绯诲垪:Cyclone V E 鏌垫サ鏁�(sh霉)閲�: 閭忚集濉婃暩(sh霉)閲�:943 鍏�(n猫i)宓屽紡濉奟AM - EBR:1956 kbit 杓稿叆/杓稿嚭绔暩(sh霉)閲�:128 鏈€澶у伐浣滈牷鐜�:800 MHz 宸ヤ綔闆绘簮闆诲:1.1 V 鏈€澶у伐浣滄韩搴�:+ 70 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-256
EP1S25F780C5N 鍔熻兘鎻忚堪:FPGA - 鐝�(xi脿n)鍫村彲绶ㄧ▼闁€闄e垪 FPGA - Stratix I 2566 LABs 597 IOs RoHS:鍚� 鍒堕€犲晢:Altera Corporation 绯诲垪:Cyclone V E 鏌垫サ鏁�(sh霉)閲�: 閭忚集濉婃暩(sh霉)閲�:943 鍏�(n猫i)宓屽紡濉奟AM - EBR:1956 kbit 杓稿叆/杓稿嚭绔暩(sh霉)閲�:128 鏈€澶у伐浣滈牷鐜�:800 MHz 宸ヤ綔闆绘簮闆诲:1.1 V 鏈€澶у伐浣滄韩搴�:+ 70 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-256