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WM8768 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc |
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WM8768 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc |
2 / 38 page WM8768 Production Data w PD Rev 4.1 March 2005 2 TABLE OF CONTENTS DESCRIPTION ................................................................................................................1 FEATURES......................................................................................................................1 APPLICATIONS ..............................................................................................................1 BLOCK DIAGRAM ..........................................................................................................1 TABLE OF CONTENTS ..................................................................................................2 PIN CONFIGURATION 28 PIN SSOP............................................................................3 ORDERING INFORMATION ...........................................................................................3 PIN DESCRIPTION – 28 PIN SSOP ...............................................................................4 ABSOLUTE MAXIMUM RATINGS ..................................................................................5 RECOMMENDED OPERATING CONDITIONS ..............................................................6 MASTER CLOCK TIMING .......................................................................................................8 DIGITAL AUDIO INTERFACE – MASTER MODE ...................................................................8 DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................9 MPU INTERFACE TIMING ....................................................................................................11 INTERNAL POWER ON RESET CIRCUIT ...................................................................12 DEVICE DESCRIPTION ................................................................................................13 INTRODUCTION ...................................................................................................................13 PCM AUDIO DATA SAMPLING RATES................................................................................13 HARDWARE CONTROL MODES .........................................................................................14 DIGITAL AUDIO INTERFACE ...............................................................................................16 POWERDOWN MODES .......................................................................................................19 SOFTWARE CONTROL INTERFACE OPERATION.............................................................20 CONTROL INTERFACE REGISTERS ..................................................................................20 REGISTER MAP............................................................................................................32 DIGITAL FILTER CHARACTERISTICS ........................................................................33 DAC FILTER RESPONSES ..........................................................................................33 DIGITAL DE-EMPHASIS CHARACTERISTICS.....................................................................34 APPLICATIONS INFORMATION ..................................................................................35 RECOMMENDED EXTERNAL COMPONENTS ....................................................................35 RECOMMENDED EXTERNAL COMPONENTS VALUES .....................................................35 SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS .............................................36 PACKAGE DRAWING...................................................................................................37 IMPORTANT NOTICE ...................................................................................................38 ADDRESS: ............................................................................................................................38 |
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