WM8802SCFT Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM8802SCFT Datasheet PDF : 65 Pages
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WM8802
TABLE OF CONTENTS
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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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PP Rev 1.1 April 2004
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