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 Actel Corporation 
Part Number : CoreFFT
Overview :
CoreFFT is an RTL generator that produces an Actel
FPGA–optimized FFT engine. The resulting module
computes 32-, 64-, 128-, 256-, 512-, 1,024-, or 2,048-point
complex forward or inverse decimation-in-time (DIT)
FFTs. The input and output data is represented as bb-bit
words comprising b-bit real and imaginary parts
(bb = b + b; b = 8 to 16 bits). Both the real and imaginary
parts of the input and output data are two’scomplement
numbers.
Features : - Forward and Inverse 256-, 512-, 1024-Point Complex FFT
- Decimation-In-Time (DIT) Radix-2 Implementation Optimized for Actel FPGA
- Selection of Unconditional or Conditional Block Floating-Point Scaling
- Embedded RAM Block Based Twiddle Factor Generator
- 16-Bit Input/Output Data and Twiddle Coefficients Precision
- Naturally Ordered Input and Output Data
- Two's Complement Fixed-Point Arithmetic
- Built-In Memory Buffers
- Supports Actel's ProASIC3, ProASICPLUS, Axcelerator, and RTAX-S device families
- 80% Utilization in Actel A3P400, 11 µs FFT Time
- 73% Utilization in Actel APA450, 19 µs FFT Time
- 72% Utilization in Actel AX500, 9 µs FFT Time
- 32% Utilization in Actel RTAX1000S, 10 µs FFT Time
Categories :
Portability :
Type : Soft
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