WM8352
Production Data
24.2
24.3
FIRST-LEVEL INTERRUPTS ....................................................................... 199
SECOND-LEVEL INTERRUPTS .................................................................. 200
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
OVERCURRENT INTERRUPT..........................................................................................200
UNDERVOLTAGE INTERRUPTS......................................................................................200
CURRENT SINK (LED DRIVER) INTERRUPTS................................................................201
EXTERNAL INTERRUPTS ................................................................................................202
CODEC INTERRUPTS ......................................................................................................202
GPIO INTERRUPTS ..........................................................................................................203
AUXADC AND DIGITAL COMPARATOR INTERRUPTS...................................................204
RTC INTERRUPTS............................................................................................................204
SYSTEM INTERRUPTS.....................................................................................................205
24.3.10 CHARGER INTERRUPTS .................................................................................................205
24.3.11 USB INTERRUPTS............................................................................................................206
24.3.12 WAKE-UP INTERRUPTS ..................................................................................................207
25 TEMPERATURE SENSING.......................................................................208
25.1
26 REGISTER MAP ........................................................................................209
26.1 OVERVIEW .................................................................................................. 209
CHIP TEMPERATURE MONITORING ......................................................... 208
27 REGISTER BITS BY ADDRESS................................................................219
28 DIGITAL FILTER CHARACTERISTICS.....................................................323
28.1.1
DAC FILTER RESPONSES...............................................................................................323
28.1.2
ADC FILTER RESPONSES...............................................................................................324
29 APPLICATIONS INFORMATION...............................................................325
29.1
29.2
29.3
29.4
TYPICAL CONNECTIONS ........................................................................... 325
VOLTAGE REFERENCE (VREF) COMPONENTS....................................... 326
DC-DC (STEP-DOWN) CONVERTER EXTERNAL COMPONENTS............ 326
DC-DC (STEP-UP) CONVERTER EXTERNAL COMPONENTS.................. 328
29.4.1
29.4.2
29.4.3
29.4.4
DC-DC (STEP-UP) CONVERTERS - CONSTANT VOLTAGE MODE...............................328
DC-DC (STEP-UP) CONVERTERS - CONSTANT CURRENT MODE ..............................330
DC-DC (STEP-UP) CONVERTERS - USB MODE.............................................................331
DC-DC (STEP-UP) CONVERTERS RECOMMENDED COMPONENTS...........................331
29.5
29.6
LDO REGULATOR EXTERNAL COMPONENTS......................................... 332
PCB LAYOUT............................................................................................... 333
30 PACKAGE DIAGRAM................................................................................334
31 IMPORTANT NOTICE................................................................................335
32 REVISION HISTORY .................................................................................336
PD, February 2011, Rev 4.4
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
