Cirrus Logic CS4970x4 User Manual
System designer’s guide

Copyright 2013 Cirrus Logic, Inc.
MAR 2013
DS810UM6
http://www.cirrus.com
CS4953x4/CS4970x4
32-bit Audio DSP Family
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
CS4953x4/CS4970x4
System Designer’s Guide
This manual is related to the following products:
Table of contents
Document Outline
- CS4953x4/CS4970x4 System Designer's Guide
- Preface
- P.1 Introduction to CS4953x4/CS4970x4 System Designer’s Guide
- P.2 Overview of the CS4953x4/CS4970x4 DSP
- P.3 CS4953x4/CS4970x4 Chip Functional Overview
- P.3.1 DSP Core
- P.3.2 Security Extension module
- P.3.3 Debug Controller (DBC)
- P.3.4 Digital Audio Output (DAO1, DAO2) Controller
- P.3.5 Digital Audio Input (DAI1) Controller
- P.3.6 Compressed Data Input / Digital Audio Input (DAI2) Controller
- P.3.7 Direct Stream Digital (DSD) Controller
- P.3.8 General Purpose I/O
- P.3.9 Serial Control Ports (SPI™ or I2C™ Standards)
- P.3.10 SDRAM Controller
- P.3.11 DMA Controller
- P.3.12 Timers
- P.3.13 Clock Manager and PLL
- P.3.14 Programmable Interrupt Controller
- P.4 Firmware Overview
- P.5 CS40700x Pin Descriptions
- P.6 CS4970x4 Pin Assignments
- P.7 CS4953x4 Pin Assignments
- 1 Operational Modes
- 2 Serial Communication Mode
- 3 Audio Input Interfaces
- 4 Audio Output Interface
- 5 External Memory Interfaces
- 6 System Design Requirements for SPDIF and HDMI™ Technology Interfaces
- 7 Overview of Common Firmware Modules
- 8 DSP Condenser
- 8.1 Overview
- 8.2 Development Flow
- 8.3 Elements of a Project
- 8.4 Creating a Condenser Project using a Model
- 8.5 Creating a Flash Image
- 8.6 Using DSP Condenser
- 8.7 Creating a Flash Image
- 8.8 DSP Response after Master Boot.
- 8.9 Host Activity
- 9 Using Runtime Condenser
- Appendix A FAQ
- Appendix B Optional Features
- Appendix C Loading/Unloading Firmware Modules
- C.1 Introduction
- C.1.1 DTS 96/24™ and DTS-ES™
- C.1.2 DTS-ES Matrix and DTS Neo6™
- C.1.3 Dolby Digital®
- C.1.4 Cirrus Logic Signal Generator (SGEN)
- C.1.5 Dolby Digital®PLus
- C.1.6 Dolby® TrueHD
- C.1.7 Dolby ProLogic® IIx
- C.1.8 Dolby Virtual Speaker® 2
- C.1.9 Dolby Headphone® 2
- C.1.10 DTS-HD™ High Resolution Audio
- C.1.11 DTS-HD™ Master Audio
- C.1.12 Crossbar (Downmix and Upmix)
- C.1.13 Intelligent Room Calibration 2 (IRC2)
- C.1 Introduction
- Revision History