Xilinx System Generator v2.1 Reference Guide
| Single Memory | Double Memory | Triple Memory |
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| stall_0 = 275 | stall_0 = 146 | stall_0 = 0 |
stall = 275 | stall = 128 | stall = 0 | |
| frame_0 = 277 | frame_0 = 276 | frame_0 = 406 |
| frame = 339 | frame = 192 | frame = 192 |
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| stall_0 = 1074 | stall_0 = 789 | stall_0 = 0 |
stall = 1074 | stall = 768 | stall = 0 | |
| frame_0 = 1076 | frame_0 = 1075 | frame_0 = 1589 |
| frame = 1330 | frame = 1024 | frame = 768 |
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| stall_0 = 5170 | stall_0 = 4117 | stall_0 = 0 |
stall = 5170 | stall = 4096 | stall = 0 | |
| frame_0 = 5172 | frame_0 = 5171 | frame_0 = 8246 |
| frame = 6194 | frame = 5120 | frame = 4096 |
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Figure 3-52: FFT Timing Characteristics
For
Xilinx LogiCORE
The block always uses the Xilinx LogiCORE fft V1.0 (Virtex) or FFT V2.0
The Core datasheets can be found on your local disk at:
For Virtex:
%XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft\doc\c_ff t1024_v1_0.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft\doc\c_ff t16_v1_0.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft\doc\c_ff t256_v1_0.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft\doc\c_ff t64_v1_0.pdf
For
%XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft_v2_0\doc \vfft1024v2.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft_v2_0\doc \vfft16v2.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft_v2_0\doc \vfft256v2.pdf %XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\vfft_v2_0\doc \vfft64v2.pdf
78 | Xilinx Development System |