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8th International Conference on VLSI Design
A single chip, pipelined, cascadable, multichannel, signal processor
New Delhi, India
January 04-January 07
ISBN: 0-8186-6905-5
S. Krishnakumar, TI, Bangalore, India
P. Suresh, TI, Bangalore, India
S. Sadashiva Rao, TI, Bangalore, India
M.P. Pareek, TI, Bangalore, India
R. Gupta, TI, Bangalore, India
The architectures of general purpose digital signal processors fail to deliver acceptable performance for multichannel signal processing. This paper describes a 40K transistor execution unit that is optimised for the processing of multichannel signals. The signal processor incorporates two 12 bit array multipliers and a 128 deep programmable delay line. To facilitate the programming of the device, it is designed to function as a memory mapped peripheral to a 16/32 bit microprocessor. It supports online diagnostics through the incorporation of shadow accumulators. It is fabricated in SCL's 2/spl mu/m double metal CMOS process and packaged in a 144 pin CPGA.
Index Terms:
digital signal processing chips; pipeline processing; delay lines; timing; VLSI; CMOS digital integrated circuits; single chip signal processor; pipelined processor; cascadable processor; multichannel signal processor; DSP architecture; array multipliers; programmable delay line; memory mapped peripheral; online diagnostics; shadow accumulators; double metal CMOS process; 144 pin CPGA; 2 micron
Citation:
S. Krishnakumar, P. Suresh, S. Sadashiva Rao, M.P. Pareek, R. Gupta, "A single chip, pipelined, cascadable, multichannel, signal processor," vlsid, pp.150, 8th International Conference on VLSI Design, 1995
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