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[/] [amber/] [trunk/] [hw/] [vlog/] [amber23/] [a23_barrel_shift_fpga.v] - Rev 74

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74 The patch implements barrel shifter using rotate as a main primitive.
The design was optimized for Altera Cyclone III FPGA and can be reused
with other FPGA vendors and products.
The patch integrates the FPGA-optimized barrel shifter into the
Amber 23 core when it is build for Altera FPGA.

The patch reduces footprint from 1178 to 339 LEs keeping Fmax at 57-60 MHz.

Contributed by: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
csantifort 4179d 14h /amber/trunk/hw/vlog/amber23/a23_barrel_shift_fpga.v

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