Cirrus Logic CS4970x4 - Manual (Page 4)

CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
DS752F1 4
1 Documentation Strategy
The CS4970x4 data sheet describes the CS4970x4 family of multichannel audio decoders. This document
should be used in conjunction with the following documents when evaluating or designing a system around the
CS4970x4 family of processors.
The scope of the CS4970x4 data sheet is primarily to provide hardware specifications of the CS4970x4 family
of devices. This includes hardware functionality, characteristic data, pinout, and packaging information.
The intended audience for the CS4970x4 data sheet is the system PCB designer, MCU programmer, and the
quality control engineer.
2 Overview
The CS4970x4 DSP Family, combined with Cirrus Logic’s comprehensive library of audio processing
algorithms, enables the development of next-generation high-definition audio solutions. Cirrus Logic also
provides a broad array of digital interface products and audio converters to meet your audio system-level
design requirements.
Note: The CS4970x4 is available in a 128-pin LQFP package.
The audio processing features of the CS4970x4 product family are a superset of audio features available in
the CS4953xx product family.
Refer to Table 2 on page 5 for the speed and firmware features of the CS4970x4 product family.
Table 1. CS4970x4 Related Documentation
Document Name Description
CS4970x4 Data Sheet This document
CS495314/CS4970x4 System Designer’s Guide
A new consolidated documentation set that includes:
• Detailed system design information including
Typical Connection Diagrams, Boot-Procedures,
Pin Descriptions, Etc. Also describes use of DSP
Condenser tool.
• Detailed firmware design information including
signal processing flow diagrams and control API
information
AN288 - CS4953xx/CS4970x4 Firmware User’s Manual
Includes detailed firmware design information
including signal processing flow diagrams and control
API information