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AT76C001 - CBIC Programmable FIR Filter

Description

The AT76C001 Programmable Finite Impulse Response (FIR) Filter implements a 4th order FIR cell built around 4 multiplier-accumulators.

It contains a dual-port RAM and a RAM which are used to implement FIR filters of up to 256 taps.

Features

  • 4 Multiplier-Accumulators 40 Bits Accuracy 16 Bit Data and Coefficients 4-tap Filter With 27 MHz Sample Rate Programmable to Give up to 256 Taps With Sampling Reducing Proportionally to 421,875 kHz Programmable Rounding and Truncation to 16 Bit 8 Bit Standard Microprocessor Interface 64-pin PQFP, 68-pin PGA68 or 68-pin LCC68 Packaging.

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Datasheet Details

Part number AT76C001
Manufacturer ATMEL Corporation
File Size 73.67 KB
Description CBIC Programmable FIR Filter
Datasheet download datasheet AT76C001 Datasheet
Additional preview pages of the AT76C001 datasheet.

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Full PDF Text Transcription

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Features • • • • • • • • 4 Multiplier-Accumulators 40 Bits Accuracy 16 Bit Data and Coefficients 4-tap Filter With 27 MHz Sample Rate Programmable to Give up to 256 Taps With Sampling Reducing Proportionally to 421,875 kHz Programmable Rounding and Truncation to 16 Bit 8 Bit Standard Microprocessor Interface 64-pin PQFP, 68-pin PGA68 or 68-pin LCC68 Packaging Description The AT76C001 Programmable Finite Impulse Response (FIR) Filter implements a 4th order FIR cell built around 4 multiplier-accumulators. It contains a dual-port RAM and a RAM which are used to implement FIR filters of up to 256 taps. High order filters are achieved by multiplexing the 4th order cell and accumulating the intermediate results up to 40 bits, so that there is no loss of accuracy.
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