WM8350
Production Data
OVERCURRENT INTERRUPT..........................................................................................203
24.3.1
24.3.2
24.3.3
24.3.4
24.3.5
24.3.6
24.3.7
24.3.8
24.3.9
UNDERVOLTAGE INTERRUPTS......................................................................................203
CURRENT SINK (LED DRIVER) INTERRUPTS................................................................204
EXTERNAL INTERRUPTS ................................................................................................205
CODEC INTERRUPTS ......................................................................................................205
GPIO INTERRUPTS ..........................................................................................................206
AUXADC AND DIGITAL COMPARATOR INTERRUPTS...................................................207
RTC INTERRUPTS............................................................................................................207
SYSTEM INTERRUPTS.....................................................................................................208
24.3.10 CHARGER INTERRUPTS .................................................................................................208
24.3.11 USB INTERRUPTS............................................................................................................209
24.3.12 WAKE-UP INTERRUPTS ..................................................................................................210
25 TEMPERATURE SENSING.......................................................................211
25.1
26 REGISTER MAP ........................................................................................212
26.1 OVERVIEW .................................................................................................. 212
CHIP TEMPERATURE MONITORING ......................................................... 211
27 REGISTER BITS BY ADDRESS................................................................223
28 DIGITAL FILTER CHARACTERISTICS.....................................................327
28.1
28.2
DAC FILTER RESPONSES.......................................................................... 327
ADC FILTER RESPONSES.......................................................................... 328
29 APPLICATIONS INFORMATION...............................................................329
29.1
29.2
29.3
29.4
TYPICAL CONNECTIONS ........................................................................... 329
VOLTAGE REFERENCE (VREF) COMPONENTS....................................... 330
DC-DC (STEP-DOWN) CONVERTER EXTERNAL COMPONENTS............ 330
DC-DC (STEP-UP) CONVERTER EXTERNAL COMPONENTS .................. 332
29.4.1
29.4.2
29.4.3
29.4.4
DC-DC (STEP-UP) CONVERTERS - CONSTANT VOLTAGE MODE...............................332
DC-DC (STEP-UP) CONVERTERS - CONSTANT CURRENT MODE ..............................334
DC-DC (STEP-UP) CONVERTERS - USB MODE.............................................................335
DC-DC (STEP-UP) CONVERTERS RECOMMENDED COMPONENTS...........................335
29.5
29.6
LDO REGULATOR EXTERNAL COMPONENTS......................................... 336
PCB LAYOUT............................................................................................... 337
30 PACKAGE DIAGRAM................................................................................338
31 IMPORTANT NOTICE................................................................................339
32 REVISION HISTORY .................................................................................340
PD, February 2011, Rev 4.4
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
