WM8310CGEBSLASHV datasheet(5/291 Pages) WOLFSON

5 / 291 page

Pre-Production

WM8310

PP, May 2012, Rev 3.1

13 CLOCKING AND OSCILLATOR CONTROL .............................................. 46

13.1

GENERAL DESCRIPTION ............................................................................... 46

13.2

CRYSTAL OSCILLATOR ................................................................................. 48

13.3

FREQUENCY LOCKED LOOP (FLL)............................................................... 49

13.3.1

FLL AUTO MODE ................................................................................................................53

14 INSTANTCONFIG™ (ICE) AND OTP MEMORY CONTROL...................... 54

14.1

GENERAL DESCRIPTION ............................................................................... 54

14.2

ICE AND OTP MEMORY DEFINITION ............................................................ 54

14.3

BOOTSTRAP (START-UP) FUNCTION........................................................... 55

14.3.1

START-UP FROM OTP MEMORY ......................................................................................55

14.3.2

START-UP FROM ICE MEMORY (DEVELOPMENT MODE)..............................................56

14.3.3

START-UP FROM DCRW REGISTER SETTINGS .............................................................56

14.3.4

EXTERNAL ICE MEMORY CONNECTION .........................................................................56

14.4

OTP / ICE MEMORY CONTROL...................................................................... 57

14.4.1

ENTERING / EXITING THE PROGRAM STATE .................................................................58

14.4.2

OTP / ICE READ COMMAND ..............................................................................................58

14.4.3

OTP WRITE COMMAND .....................................................................................................59

14.4.4

OTP VERIFY COMMAND ....................................................................................................59

14.4.5

OTP FINALISE COMMAND .................................................................................................60

14.4.6

OTP CONTROL REGISTER ................................................................................................61

14.5

OTP / ICE INTERRUPTS ................................................................................. 62

14.6

DCRW MEMORY CONTENTS......................................................................... 62

14.6.1

DCRW PAGE 0 ....................................................................................................................63

14.6.2

DCRW PAGE 1 ....................................................................................................................63

14.6.3

DCRW PAGE 2 ....................................................................................................................63

14.6.4

DCRW PAGE 3 ....................................................................................................................65

14.6.5

DCRW PAGE 4 ....................................................................................................................66

15 POWER MANAGEMENT ............................................................................ 67

15.1

GENERAL DESCRIPTION ............................................................................... 67

15.2

DC-DC CONVERTER AND LDO REGULATOR CONTROL............................ 67

15.3

TIMESLOT CONTROL AND HARDWARE ENABLE (GPIO) CONTROL......... 68

15.4

OPERATING MODE CONTROL ...................................................................... 69

15.4.1

DC-DC SYNCHRONOUS BUCK CONVERTERS................................................................69

15.4.2

DC-DC BOOST CONVERTERS ..........................................................................................69

15.4.3

LDO REGULATORS ............................................................................................................69

15.5

OUTPUT VOLTAGE CONTROL ...................................................................... 70

15.5.1

DC-DC SYNCHRONOUS BUCK CONVERTERS................................................................70

15.5.2

DC-DC BOOST CONVERTERS ..........................................................................................70

15.5.3

LDO REGULATORS 1-10 ....................................................................................................70

15.5.4

LDO REGULATOR 11..........................................................................................................70

15.6

DC-DC SYNCHRONOUS BUCK CONVERTER CONTROL............................ 71

15.7

DC-DC BOOST CONVERTER CONTROL....................................................... 72

15.8

LDO REGULATOR CONTROL ........................................................................ 72

15.9

HARDWARE CONTROL (GPIO)...................................................................... 72

15.10 FAULT PROTECTION...................................................................................... 73

15.11 MONITORING AND FAULT REPORTING ....................................................... 74

15.12 POWER MANAGEMENT REGISTER DEFINITIONS ...................................... 74

15.12.1

DC-DC CONVERTER AND LDO REGULATOR ENABLE ...................................................74

15.12.2

DC-DC SYNCHRONOUS BUCK CONVERTER CONTROL................................................75

15.12.3

DC-DC BOOST CONVERTER CONTROL ..........................................................................80

15.12.4

LDO REGULATOR CONTROL ............................................................................................81

15.12.5

EXTERNAL POWER ENABLE (EPE) CONTROL................................................................89

15.12.6

MONITORING AND FAULT REPORTING...........................................................................89

15.13 POWER MANAGEMENT INTERRUPTS ......................................................... 90

WM8310CGEB/V Datasheet(PDF) 5 Page - Wolfson Microelectronics plc

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