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Memory efficient programmable processor chip for inverse Haar transform

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2 Author(s)
Ruiz, G.A. ; Dept. de Electron. y Computadores, Facultad de Ciencias, Santander, Spain ; Michell, J.A.

In this correspondence, a processor chip programmable between N=8 and N=1024 for the unidimensional inverse Haar transform (1-D-IFHT) is presented. The processor uses a low latency data-flow with an architecture that minimizes the internal memory and an adder/subtracter as the only computing element. The control logic has a single and modular structure and can be easily extended to longer transforms. A prototype of the 1-D-IFHT processor has been implemented using a standard-cell design methodology and a 1.0-μm CMOS process on a 11.7 mm2 die. The maximum data rate is close to 60 MHz

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Signal Processing, IEEE Transactions on  (Volume:46 ,  Issue: 1 )