参数资料
型号: IPR-FFT
厂商: Altera
文件页数: 55/70页
文件大小: 0K
描述: IP FFT/IFFT RENEW
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: 续用许可证
Chapter 3: Functional Description
3–13
I/O Data Flow Architectures
Burst
The burst I/O data flow architecture operates similarly to the buffered burst
architecture, except that the burst architecture requires even lower memory resources
for a given parameterization at the expense of reduced average throughput.
Figure 3–14 shows the simulation results for the burst architecture. Again, the signals
source_valid and sink_ready indicate, to the system data sources and slave sinks
either side of the FFT, when the FFT can accept a new block of data and when a valid
output block is available on the FFT output.
Figure 3–14. FFT Burst Data Flow Architecture Simulation Waveform
clk
reset_n
sink_valid
sink_ready
sink_sop
sink_eop
inverse
sink_real
sink_imag
source_real
source_imag
-47729
-47729
271
271
source_exp
EXP0
EXP1
EXP2
source_ready
source_valid
source_sop
source_eop
In a burst I/O data flow architecture, the core can process a single input block only.
There is a small FIFO buffer at the sink of the block and sink_ready is not deasserted
until this FIFO buffer is full. Thus you can provide a small number of additional input
samples associated with the subsequent input block. It is not mandatory to provide
data to the FFT during sink_ready cycles. The burst architecture can load the rest of
the subsequent FFT frame only when the previous transform has been fully unloaded.
f For information about enabling the buffered burst FFT, refer to “Enabling the
November 2013
Altera Corporation
FFT MegaCore Function
User Guide
相关PDF资料
PDF描述
10PX2200MEFC10X16 CAP ALUM 2200UF 10V 20% RADIAL
VE-J7L-EZ-F2 CONVERTER MOD DC/DC 28V 25W
100ZLH68MEFC8X20 CAP ALUM 68UF 100V 20% RADIAL
VE-J7K-EZ-F4 CONVERTER MOD DC/DC 40V 25W
UPA0J681MPD1TD CAP ALUM 680UF 6.3V 20% RADIAL
相关代理商/技术参数
参数描述
IPR-FIR 功能描述:开发软件 FIR Compiler MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors
IPR-FIRII 功能描述:开发软件 FIR Compiler II MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors
IPRI2CCMFP001 制造商:System Level Solutions (SLS) 功能描述:IP CORE, FPGA, I2C CNTLR, FOR CYCLONE, STRATIX, Software Application:IP CORE, In
IPR-ILKN/100G 功能描述:开发软件 Interlaken - 100G MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors
IPR-ILKN/50G 功能描述:开发软件 Interlaken - 50G MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors