CS4970x4 Data Sheet FEATURES High Definition Audio Decoder DSP Family Multi-standard 32-bit high-definition audio decoding plus with Dual 32-bit Engine Technology post-processing Supports high-definition audio formats including: Dolby Digital Plus Up to 12 Channels of 32-bit Serial Audio Input Dolby TrueHD Customer Software Security Keys DTS-HD High Resolution Audio 16 Ch x 32-bit PCM Out with Dual 192 kHz S/PDIF Tx 2 DTS-HD Master Audio Two SPI /I C ports DTS Express 5.1 Large On-chip X, Y, and Program RAM & ROM Supports legacy audio formats and a wide array of post- SDRAM and Serial Flash Memory Support processing Dolby Digital EX, Dolby Pro Logic II, IIx, IIz 7.1, Dolby The CS4970x4 DSP family is an enhanced version of the Headphone 2, Dolby Virtual Speaker 2, Dolby CS4953xx DSP family with higher overall performance. In addition to all the mainstream audio processing codes in on- Volume (original), Dolby Volume 258 (lite), Audistry chip ROM that the CS4953xx DSP offers, the CS4970x4 device DTS-ES 96/24 Discrete 7.1, DTS-ES Discrete 7.1, family also supports the decoding of major high-definition audio DTS-ES Matrix 6.1, DTS Neo:6 , DTS Neural formats. Additionally, the CS4970x4, a dual-core device, Surround DTS Surround Sensation Speaker performs the high-definition audio decoding on the first core, MPEG-2 AAC LC 5.1 leaving the second core available for audio post-processing and SRS Circle Surround II, SRS Circle Surround Auto, audio enhancement. The CS4970x4 device supports the most SRS Circle Surround Decoder Optimized, SRS demanding audio post processing requirements. It provides an TruVolume 7.1 (V 2.1.0.0), SRS TruSurround easy upgrade path to systems currently using the CS495xx or HD/HD4 , SRS WOW HD , SRS CS Headphone , CS4953xx device with minor (or no) hardware and software SRS Circle Cinema 3D , SRS Studio Sound HD changes. THX Ultra2 , THX Select2 Ordering Information Cirrus Logics Applications Library See page 27 for ordering information. Cirrus Original Multi-Channel Surround 2 (COMS2), Cirrus Band XpandeR , Cirrus Virtualization Technology (CVT), Cirrus Intelligent Room Calibration 2 (IRC2), Cirrus Bass Enhancement (CBE) Crossbar Mixer, Signal Generator Advanced Post-Processors including: 7.1 Bass Manager Quadruple Crossover, Tone Control, 11- Band Parametric EQ, Delay, 2:1/4:1 Decimator, 1:2/1:4 Upsampler Serial Serial Parallel GPIO Debug Control 1 Control 2 Control 12 Ch. Audio In / STC 6 Ch. SACD In D Coyote 32-bit Coyote 32-bit TMR1 M DSP A DSP B A TMR2 S/PDIF S/PDIF P X Y P X Y 16 Ch PCM Audio Out PLL Ext. Memory Controller This document contains information for a new product. Preliminary Product Information Cirrus Logic reserves the right to modify this product without notice. Copyright 2012 Cirrus Logic, Inc. FEB 2012 All Rights Reserved DS752PP11 CS4970x4 Data Sheet 32-bit High Definition Audio Decoder DSP Family Table of Contents 1 Documentation Strategy ............................................................................................................4 2 Overview .....................................................................................................................................4 2.1 Migrating from CS495xx(2) to CS4970x4 .................................................................................................5 2.2 Licensing ..................................................................................................................................................5 3 Code Overlays ............................................................................................................................5 4 Hardware Functional Description ............................................................................................6 4.1 Coyote DSP Core .....................................................................................................................................6 4.1.1 DSP Memory ...............................................................................................................................6 4.1.2 DMA Controller ............................................................................................................................7 4.2 On-chip DSP Peripherals .........................................................................................................................7 4.2.1 Digital Audio Input Port (DAI) .......................................................................................................7 4.2.2 Digital Audio Output Port (DAO) ..................................................................................................7 2 4.2.3 Serial Control Port 1 & 2 (I C or SPI) ..........................................................................................7 4.2.4 Parallel Control Port ....................................................................................................................7 4.2.5 External Memory Interface ..........................................................................................................7 4.2.6 General Purpose Input/Output (GPIO) ........................................................................................7 4.2.7 Phase-locked Loop (PLL)-based Clock Generator ......................................................................8 4.3 DSP I/O Description .................................................................................................................................8 4.3.1 Multiplexed Pins ..........................................................................................................................8 4.3.2 Termination Requirements ...........................................................................................................8 4.3.3 Pads ............................................................................................................................................8 4.4 Application Code Security ........................................................................................................................8 5 Characteristics and Specifications ..........................................................................................8 5.1 Absolute Maximum Ratings ......................................................................................................................8 5.2 Recommended Operating Conditions ......................................................................................................9 5.3 Digital DC Characteristics ........................................................................................................................9 5.4 Power Supply Characteristics ..................................................................................................................9 5.5 Thermal Data (144-Pin LQFP) ...............................................................................................................10 5.6 Thermal Data (128-pin LQFP) ................................................................................................................10 5.7 Switching CharacteristicsRESET ......................................................................................................... 11 5.8 Switching Characteristics XTI ............................................................................................................ 11 5.9 Switching Characteristics Internal Clock ............................................................................................12 5.10 Switching Characteristics Serial Control Port - SPI Slave Mode .....................................................12 5.11 Switching Characteristics Serial Control Port - SPI Master Mode ...................................................13 2 5.12 Switching Characteristics Serial Control Port - I C Slave Mode ......................................................14 2 5.13 Switching Characteristics Serial Control Port - I C Master Mode ....................................................15 5.14 Switching Characteristics Parallel Control Port - Intel Slave Mode .................................................16 5.15 Switching Characteristics Parallel Control Port - Motorola Slave Mode .........................................18 5.16 Switching Characteristics Digital Audio Slave Input Port .................................................................20 5.17 Switching Characteristics Digital Audio Output Port ........................................................................21 5.18 Switching Characteristics SDRAM Interface ....................................................................................22 6 Ordering Information ...............................................................................................................26 7 Environmental, Manufacturing, and Handling Information .................................................26 8 Device Pin-Out Diagram ..........................................................................................................27 8.1 128-Pin LQFP Pin-Out Diagram .............................................................................................................27 8.2 144-Pin LQFP Pin-Out Diagram ............................................................................................................28 9 Package Mechanical Drawings ...............................................................................................29 DS752PP11 2