参数资料
型号: IP-FFT
厂商: Altera
文件页数: 6/70页
文件大小: 0K
描述: IP FFT/IFFT
标准包装: 1
系列: *
类型: MegaCore
功能: 快速傅里叶变换处理器
许可证: 初始许可证
1–2
Table 1–2. Device Family Support (Part 2 of 2)
Chapter 1: About This MegaCore Function
Features
Device Family
Cyclone IV
Cyclone V
Stratix ? III
Stratix IV GT
Stratix IV GX/E
Stratix V
Stratix GX
Final
Final
Final
Final
Final
Final
Final
Support
Features
The following lists the features of the FFT MegaCore function:
■
■
Bit-accurate MATLAB models
Enhanced variable streaming FFT:
■
■
■
■
Single precision floating point or fixed point representation
Input and output orders include natural order, bit reversed or digit-reversed,
and DC-centered (–N/2 to N/2)
Reduced memory requirements
Support for 8 to 32-bit data and twiddle width
■
■
Radix-4, mixed radix-4/2 implementations (for floating point FFT), and radix-2 2
single delay feedback implementation (for fixed point FFT)
Block floating-point architecture—maintains the maximum dynamic range of data
during processing (not for variable streaming)
■
■
■
■
■
■
Uses embedded memory
Maximum system clock frequency more than 300 MHz
Optimized to use Stratix series DSP blocks and TriMatrix? memory
architecture
High throughput quad-output radix 4 FFT engine
Support for multiple single-output and quad-output engines in parallel
Multiple I/O data flow modes: streaming, buffered burst, and burst
FFT MegaCore Function
User Guide
■
■
■
■
■
User control over optimization in DSP blocks or in speed in Stratix V devices, for
streaming, buffered burst, and burst modes and for variable streaming fixed point
mode
Avalon ? Streaming (Avalon-ST) compliant input and output interfaces
Parameterization-specific VHDL and Verilog HDL testbench generation
Transform direction (FFT/IFFT) specifiable on a per-block basis
Easy-to-use IP Toolbench interface
November 2013 Altera Corporation
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