Cirrus-logic CS1810xx Manuale Utente

©Copyright 2005 Cirrus Logic, Inc. JUN ’05DS651UM23http://www.cirrus.comDigital Audio Networking ProcessorCS1810xx, CS4961xx, & CM-2Preliminary Pr

10 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualPinout and Signal Descriptions 4.1 CS1810xx & CS4961xx Pa

CobraNet Hardware User’s ManualPinout and Signal DescriptionsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 11Version 2.34.1.2 CM-2 Connector Pinout Ta

12 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualPinout and Signal Descriptions 4.2 Signal Descriptions4.2.1 H

CobraNet Hardware User’s ManualPinout and Signal DescriptionsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 13Version 2.34.2.3 Synchronous Serial (Audio

14 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualPinout and Signal Descriptions 4.2.5 Miscellaneous Signals 4.

CobraNet Hardware User’s ManualPinout and Signal DescriptionsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 15Version 2.34.2.7 System SignalsUse these C

16 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualPinout and Signal Descriptions 4.3 Characteristics and Specif

CobraNet Hardware User’s ManualSynchronizationDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 17Version 2.35.0 SynchronizationFigure 3 shows clock relate

18 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualSynchronization The following synchronization modes are furth

CobraNet Hardware User’s ManualDigital Audio InterfaceDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 19Version 2.36.0 Digital Audio Interface The CS1810

2 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualTable of Contents Table of ContentsList of Figures...

20 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualDigital Audio Interface Although data is always transmitted a

CobraNet Hardware User’s ManualDigital Audio InterfaceDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 21Version 2.36.1.1 Normal Mode Data TimingFigure 8.

22 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualDigital Audio Interface 6.1.3 Standard Mode Data TimingFigure

CobraNet Hardware User’s ManualHost Management Interface (HMI)DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 23Version 2.37.0 Host Management Interface

24 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHost Management Interface (HMI) HREQ may be wired to a host i

CobraNet Hardware User’s ManualHost Management Interface (HMI)DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 25Version 2.3Figure 14. Host Port Read Cycl

26 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHost Management Interface (HMI) 7.3 Host Port Timing - Intel

CobraNet Hardware User’s ManualHost Management Interface (HMI)DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 27Version 2.3 Figure 16. Parallal Control

28 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHost Management Interface (HMI) 7.4 Protocol and MessagesThe

CobraNet Hardware User’s ManualHost Management Interface (HMI)DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 29Version 2.37.4.1.1. Translate AddressTran

CobraNet Hardware User’s ManualTable of Contents DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 3Version 2.37.4.3 Data...

30 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHost Management Interface (HMI) 7.4.1.5. Packet ReceivedSets

CobraNet Hardware User’s ManualHost Management Interface (HMI)DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 31Version 2.37.4.2 StatusHMI status can alw

32 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHost Management Interface (HMI) 7.4.3 DataBefore accessing da

CobraNet Hardware User’s ManualHMI Reference CodeDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 33Version 2.38.0 HMI Reference CodeThe following C code

34 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHMI Reference Code 8.2 HMI Access Code/*=====================

CobraNet Hardware User’s ManualHMI Reference CodeDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 35Version 2.3while( !( ReadRegister( MSG_D ) & ( 1 &

36 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHMI Reference Code 8.3 CM-1, CM-2 Auto-detectionThe following

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 37Version 2.39.0 Mechanical Drawings and

38 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics 9.1 CM-2 Mechanical Drawin

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 39Version 2.3Figure 19. CM-2 Module Asse

4 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualList of Figures List of FiguresFigure 1. CobraNet Data Service

40 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics Figure 20. General PCB Dim

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 41Version 2.3Figure 21. Example Configur

42 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics Figure 22. Faceplate Dimen

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 43Version 2.3Figure 23. Connector Detail

44 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics 9.2 CM-2 Schematics Figure

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 45Version 2.3Figure 25. CM-2 RevF Schema

46 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics Figure 26. CM-2 RevF Schem

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 47Version 2.3Figure 27. CM-2 RevF Schema

48 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics Figure 28. CM-2 RevF Schem

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 49Version 2.3Figure 29. CM-2 RevF Schema

CobraNet Hardware User’s ManualIntroductionDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 5Version 2.31.0 IntroductionThis document is intended to help

50 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics Figure 30. CM-2 RevF Schem

CobraNet Hardware User’s ManualMechanical Drawings and SchematicsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 51Version 2.39.3 CS1810xx/CS4961xx Packa

52 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualMechanical Drawings and Schematics 9.4 Temperature Specificat

CobraNet Hardware User’s ManualOrdering InformationDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 53Version 2.310.0 Ordering Information10.1 Device Part

54 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualOrdering Information Contacting Cirrus Logic SupportFor all p

6 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualFeatures 2.0 Features 2.1 CobraNet• Real-time Digital Audio Di

CobraNet Hardware User’s ManualFeaturesDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 7Version 2.32.3 Host Interface• 8-bit Data, 4-bit Address• Virtual

8 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23Version 2.3CobraNet Hardware User’s ManualHardware 3.0 HardwareFigure 2 shows a high-level view of the C

CobraNet Hardware User’s ManualPinout and Signal DescriptionsDS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 9Version 2.34.0 Pinout and Signal Descriptio