wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 8

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8351
24
25
26
27
28
29
30
31
w
24.1
24.2
24.3
25.1
26.1
29.1
29.2
29.3
29.4
29.5
INTERRUPT CONTROLLER .....................................................................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
24.3.10
24.3.11
24.3.12
TEMPERATURE SENSING .......................................................................211
REGISTER MAP ........................................................................................212
REGISTER BITS BY ADDRESS................................................................221
DIGITAL FILTER CHARACTERISTICS.....................................................319
28.1.1
28.1.2
APPLICATIONS INFORMATION...............................................................321
29.3.1
29.3.2
29.3.3
29.3.4
PACKAGE DIAGRAM................................................................................330
IMPORTANT NOTICE................................................................................331
CONFIGURING THE IRQ PIN...................................................................... 201
FIRST LEVEL INTERRUPTS ....................................................................... 201
SECOND-LEVEL INTERRUPTS .................................................................. 203
CHIP TEMPERATURE MONITORING ......................................................... 211
OVERVIEW .................................................................................................. 212
TYPICAL CONNECTIONS ........................................................................... 321
DC-DC (STEP-DOWN) CONVERTER EXTERNAL COMPONENTS............ 322
DC-DC (STEP-UP) CONVERTER EXTERNAL COMPONENTS .................. 324
LDO REGULATOR EXTERNAL COMPONENTS ......................................... 328
PCB LAYOUT ............................................................................................... 329
OVERCURRENT INTERRUPTS........................................................................................ 203
UNDERVOLTAGE INTERRUPTS...................................................................................... 203
CURRENT SINK (LED DRIVER) INTERRUPTS................................................................ 204
EXTERNAL INTERRUPTS ................................................................................................ 204
CODEC INTERRUPTS ...................................................................................................... 204
GPIO INTERRUPTS .......................................................................................................... 206
AUXADC AND DIGITAL COMPARATOR INTERRUPTS................................................... 207
RTC INTERRUPTS ............................................................................................................ 207
SYSTEM INTERRUPTS..................................................................................................... 208
DAC FILTER RESPONSES ............................................................................................... 319
ADC FILTER RESPONSES ............................................................................................... 320
DC-DC (STEP-UP) CONVERTER - CONSTANT VOLTAGE MODE ................................. 324
DC-DC (STEP-UP) CONVERTER - CONSTANT CURRENT MODE................................. 326
DC-DC (STEP-UP) CONVERTER - USB MODE ............................................................... 327
DC-DC (STEP-UP) CONVERTER RECOMMENDED COMPONENTS ............................. 327
CHARGER INTERRUPTS ............................................................................................. 208
USB INTERRUPTS ........................................................................................................ 209
WAKE-UP INTERRUPTS .............................................................................................. 210
PD, June 2009, Rev 4.1
Production Data
8