CS496122-IQZ Cirrus Logic

CS1810xx, CS4961xx, & CM-2 Digital Audio Networking Processor CobraNet Silicon Series CS18100x, CS18101x, CS18102x, and CM-2 CS49610x, CS49611x, and CS49612x Hardware Users Manual Version 2.3 This document contains information for a new product. Preliminary Product Information Cirrus Logic reserves the right to modify this product without notice. Copyright 2005 Cirrus Logic, Inc. JUN 05 DS651UM23 CobraNet Hardware Users Manual Table of Contents Table of Contents List of Figures.........................................................................................................................................4 1.0 .Introduction .....................................................................................................................................5 2.0 Features...........................................................................................................................................6 2.1 CobraNet.............................................................................................................................6 2.2 CobraNet Interface..............................................................................................................6 2.3 Host Interface......................................................................................................................7 2.4 Asynchronous Serial Interface ............................................................................................7 2.5 Synchronous Serial Audio Interface....................................................................................7 2.6 Audio Clock Interface..........................................................................................................7 2.7 Audio Routing and Processing............................................................................................7 3.0 Hardware..........................................................................................................................................8 4.0 Pinout and Signal Descriptions ........................................................................................................9 4.1 CS1810xx & CS4961xx Package Pinouts.........................................................................10 4.1.1 CS1810xx/CS4961xx Pinout.............................................................................10 4.1.2 CM-2 Connector Pinout.....................................................................................11 4.2 Signal Descriptions ...........................................................................................................12 4.2.1 Host Port Signals ..............................................................................................12 4.2.2 Asynchronous Serial Port (UART Bridge) Signals ............................................12 4.2.3 Synchronous Serial (Audio) Signals..................................................................13 4.2.4 Audio Clock Signals ..........................................................................................13 4.2.5 Miscellaneous Signals.......................................................................................14 4.2.6 Power and Ground Signals ...............................................................................14 4.2.7 System Signals .................................................................................................15 4.3 Characteristics and Specifications ....................................................................................16 4.3.1 Absolute Maximum Ratings ..............................................................................16 4.3.2 Recommended Operating Conditions ...............................................................16 4.3.3 Digital DC Characteristics .................................................................................16 4.3.4 Power Supply Characteristics ...........................................................................16 5.0 Synchronization..............................................................................................................................17 5.1 Synchronization Modes.....................................................................................................17 5.1.1 Internal Mode ....................................................................................................18 5.1.2 External Word Clock Mode ...............................................................................18 5.1.3 External Master Clock Mode .............................................................................18 6.0 Digital Audio Interface....................................................................................................................19 6.1 Digital Audio Interface Timing ...........................................................................................20 6.1.1 Normal Mode Data Timing ................................................................................21 2 6.1.2 I S Mode Data Timing.......................................................................................21 6.1.3 Standard Mode Data Timing .............................................................................22 7.0 Host Management Interface (HMI).................................................................................................23 7.1 Hardware...........................................................................................................................23 7.4 Protocol and Messages.....................................................................................................28 7.4.1 Messages..........................................................................................................28 7.4.1.1. Translate Address .................................................................................29 7.4.1.2. Interrupt Acknowledge...........................................................................29 7.4.1.3. Goto Packet...........................................................................................29 7.4.1.4. Goto Translation....................................................................................29 7.4.1.5. Packet Received ...................................................................................30 7.4.1.6. Packet Transmit ....................................................................................30 7.4.1.7. Goto Counters .......................................................................................30 7.4.2 Status................................................................................................................31 2 Copyright 2005 Cirrus Logic, Inc. DS651UM23 Version 2.3