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CS48DV2B-CQZ Datasheet(PDF) 5 Page - Cirrus Logic |
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CS48DV2B-CQZ Datasheet(HTML) 5 Page - Cirrus Logic |
5 / 26 page CS48DV2B Data Sheet 32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby DS875F2 Copyright 2009 Cirrus Logic 5 CONFIDENTIAL 1. Documentation Strategy The CS48DV2B Data Sheet describes CS48DV2B multichannel audio processors. This document should be used in conjunction with the following documents when evaluating or designing a system around the CS48DV2B processors. The scope of the CS48DV2B Data Sheet is primarily the hardware specifications of the CS48DV2B devices. This includes hardware functionality, characteristic data, pinout, and packaging information. The intended audience for the CS48DV2B Data Sheet is the system PCB designer, MCU programmer, and the quality control engineer. 2. Overview The CS48DV2B DSP is designed to provide high-performance post-processing and mixing of digital audio. The dual clock domain provided on the PCM inputs allows for the mixing of audio streams with different sampling frequencies. The low-power standby preserves battery life for applications which are always on, but not necessarily processing audio, such as automotive audio systems. The CS48DV2B supports dual input clock domains and dual audio processing paths. The CS48DV2B is available in a 48-pin QFP package. Please refer to Table 2 on page 7 for the input, output, firmware features of each device. 2.1 Licensing Licenses are required for all of the 3rd party audio processing algorithms listed in Section 3. Please contact your local Cirrus Logic Sales representative for more information. Table 1. CS48DV2B DSP Related Documentation Document Name Description CS48DV2B Data Sheet This document CS485xx Family Hardware User’s Manual Includes detailed system design information including Typical Connection Diagrams, Boot-Procedures, Pin Descriptions, etc. AN298 - CS485xx Family Firmware User’s Manual Includes detailed firmware design information including signal processing flow diagrams and control API information DSP Composer User’s Manual Includes detailed configuration and usage information for the GUI development tool. AN298VPMA,Audistry® by Dolby®” Describes API used to control the Audistry firmware module. AN298PPMN, Dolby® Volume Firmware User’s Manual for the CS48DV2x Family Describes API used to control the Dolby Volume firmware module. |
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