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GF9101 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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GF9101 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 23 page  GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com www.gennum.com Revision Date: July 1999 Document No. 520 - 64 - 7 DATA SHEET DATA–A–OUT 7 4R DELAY 1,3,4,5 R DATA–B–IN CONFIGURATION REGISTER 2 ±14.11 ±13.6 TRUNCATED R NEGATE DELAY SEL + PIPELINE–OUT ±13.6 R R R 1 0 ±13.6 ±13.6 PIPELINE–IN FB–SEL CARRY IN ±13.6 DATA B SEL +10 +10 1 0 ±13.6 ±13.6 ZERO R 7 ENA ENB ENC COEF–ADDR DATA–A–IN DATA–B–OUT +10 +10 SEL–A/B TAP CELL 2 TAP CELL 1 Σ R R R R R TAP CELL 11 TAP CELL 12 FEATURES • highly optimized & flexible architecture for multirate FIR filtering applications • implements dual 12 tap filters operating at 40 MHz or single 23 or 24 tap filter operating at 20 MHz maximum data rate • stores up to 108 fully-programmable 12 tap filters with 12 bit coefficients at each tap, dynamically addressable in each clock cycle • 3 flexible memory loading modes • 20 bit pipeline for cascading up to 3 devices • 20 bit output accumulator • filter output negate and zero controls • supports both symmetrical and asymmetrical FIR filters • 40 MHz maximum computation and input/output data rates APPLICATIONS Video rate conversion; High performance FIR filters; Adaptive digital filters; Video encoding; Digital modulation DESCRIPTION The GF9101 is a high performance multirate digital filter which can be programmed to implement a wide range of signal processing functions using both symmetrical and asymmetrical filter structures. It is composed of a 12-tap FIR filter with internal RAM to hold up to 108 individual filters. An externally controlled address bus selects one of the 108 filters in each clock cycle. Pipelined architecture allows cascading of up to three devices with no additional hardware. Two 10-bit input shift registers are provided for multiplexed filtering applications. The 12-bit coefficients can be programmed in serial, high speed parallel or microprocessor modes. In the high speed parallel mode, any one of the 108 filters can be reprogrammed in 18 clock cycles. BLOCK DIAGRAM ORDERING INFORMATION PART NUMBER PACKAGE TEMPERATURE GF9101 - CMQ 160 pin Metal Quad 0° to 70°C MultiGEN ™ GF9101 High Performance Multirate Digital Filter |
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