WM8802SCFT datasheet(2/65 Pages) WOLFSON

2 / 65 page

WM8802

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PP Rev 1.1 April 2004

TABLE OF CONTENTS

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

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

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

BLOCK DIAGRAM .................................................................................................1

PIN CONFIGURATION...........................................................................................3

ORDERING INFORMATION ..................................................................................3

PIN DESCRIPTION ................................................................................................4

ABSOLUTE MAXIMUM RATINGS .........................................................................6

RECOMMENDED OPERATING CONDITIONS .....................................................7

ELECTRICAL CHARACTERISTICS ......................................................................7

DC CHARACTERISTICS............................................................................................... 7

AC CHARACTERISTICS............................................................................................... 8

MICROCONTROLLER INTERFACE AC CHARACTERISTICS ..................................... 9

DEVICE DESCRIPTION .......................................................................................10

INITIAL SYSTEM SETTINGS...............................................................................10

SYSTEM RESET (XMODE)......................................................................................... 10

CHIP ADDRESS SETTINGS (EMPHA/UO, AUDIO /VO) ............................................ 11

DEMODULATION FUNCTION MASTER/SLAVE SETTINGS ( CKST ) ....................... 12

MODULATION FUNCTION AND GENERAL-PURPOSE I/O PORT SWITCHING ( INT ).....12

DESCRIPTION OF DEMODULATION FUNCTION..............................................13

CLOCKS...................................................................................................................... 13

BI-PHASE SIGNAL INPUT / OUTPUT ........................................................................ 21

SERIAL AUDIO DATA INPUT/OUTPUT...................................................................... 23

ERROR OUTPUT PROCESSING ............................................................................... 27

CHANNEL STATUS OUTPUT..................................................................................... 30

OTHER OUTPUTS...................................................................................................... 31

IEC61937, DTS-CD/LD DETECTION FLAG OUTPUT ................................................ 32

DESCRIPTION OF MODULATION FUNCTION AND GENERAL-PURPOSE I/OS ... 33

MODULATION FUNCTION USAGE METHOD............................................................ 33

GENERAL PURPOSE I/O (GPIO0, GPIO1, GPIO2, GPIO3, GPIOEN)....................... 36

MICRO-CONTROLLER INTERFACE ( INT , CL, CE, DI, DO)..............................37

DESCRIPTION OF MICRO-CONTROLLER INTERFACE ........................................... 37

WRITE DATA .............................................................................................................. 40

READ DATA ................................................................................................................ 53

BURST PREAMBLE PC FIELD ................................................................................... 61

RECOMMENDED EXTERNAL COMPONENTS ..................................................62

SAMPLE APPLICATION ............................................................................................. 62

RECOMMENDED EXTERNAL COMPONENTS VALUES ........................................... 63

PACKAGE DRAWING..........................................................................................64

IMPORTANT NOTICE ..........................................................................................65

ADDRESS: .................................................................................................................. 65

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