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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