WM8860 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8860

Multi-Channel High Definition Audio CODEC

Wolfson Microelectronics plc 

Pre-Production

TABLE OF CONTENTS

WM8860

DESCRIPTION....................................................................................................... 1

FEATURES ............................................................................................................ 1

APPLICATIONS..................................................................................................... 1

BLOCK DIAGRAM ................................................................................................ 2

TABLE OF CONTENTS......................................................................................... 3

PIN CONFIGURATION .......................................................................................... 8

ORDERING INFORMATION.................................................................................. 8

PIN DESCRIPTION................................................................................................ 9

ABSOLUTE MAXIMUM RATINGS ...................................................................... 10

RECOMMENDED OPERATING CONDITIONS................................................... 10

THERMAL PERFORMANCE............................................................................... 11

ELECTRICAL CHARACTERISTICS ................................................................... 12

TERMINOLOGY ............................................................................................................. 23

SIGNAL TIMING REQUIREMENTS .................................................................... 24

INTERNAL POWER ON RESET CIRCUIT .......................................................... 25

INTRODUCTION.................................................................................................. 26

WOLFSON INTERPRETATION OF HDA SPECIFICATION .......................................... 26

DOLBY AC3 (IEC-61937) ................................................................................................................................................ 26

FLOAT32 ......................................................................................................................................................................... 26

AUDIO WIDGETS CAPABILITIES PARAMETER: DIGITAL ........................................................................................... 27

LATENCY ........................................................................................................................................................................ 27

POWER STATES ............................................................................................................................................................ 27

STREAM START/STOP .................................................................................................................................................. 28

SDI STREAM ORDER ..................................................................................................................................................... 28

BANDWIDTH CONFLICTS.............................................................................................................................................. 28

SOFTWARE FORMATTED (RAW) S/PDIF..................................................................................................................... 29

S/PDIF TX VALIDITY FLAG ............................................................................................................................................ 29

CHANNEL NUMBERING................................................................................................................................................. 29

ILLEGAL REGISTER VALUES........................................................................................................................................ 30

RESPONSE FIELD.......................................................................................................................................................... 30

CHIP HIERARCHY......................................................................................................... 31

WIDGET DIAGRAM......................................................................................................................................................... 31

NODE LIST ...................................................................................................................................................................... 32

NODE/VERB SUMMARY ................................................................................................................................................ 33

DEVICE DESCRIPTION ...................................................................................... 35

STEREO ANALOGUE LINE RECORD .......................................................................... 36

PORT-E (NID = 0CH) ...................................................................................................................................................... 36

PGA1 (NID = 0AH)........................................................................................................................................................... 37

ADC1 (NID = 02H) ........................................................................................................................................................... 38

STEREO ANALOGUE MICROPHONE RECORD.......................................................... 40

PORT-B (NID = 0DH) ...................................................................................................................................................... 40

PGA2 (NID = 0BH)........................................................................................................................................................... 42

MIC1 MUX (NID = 09H) ................................................................................................................................................... 43

MIC1 (NID = 03H) ............................................................................................................................................................ 43

DIGITAL MICROPHONE RECORD ............................................................................... 45

PORT-D (NID = 0EH) ...................................................................................................................................................... 46

PORT-H (NID = 16H) ....................................................................................................................................................... 46

MIC2 (NID = 15H) ............................................................................................................................................................ 47

DIGITAL MICROPHONE INTERFACE CLOCK RATES ................................................................................................. 47

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PP, April 2011, Rev 3.2

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