wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 8
wm8350
Manufacturer Part Number
wm8350
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8350.pdf
(345 pages)
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WM8350
24
25
26
27
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29
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31
w
24.1
24.2
24.3
25.1
26.1
28.1
28.2
29.1
29.2
29.3
29.4
29.5
INTERRUPT CONTROLLER .................................................................... 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
24.3.10
24.3.11
24.3.12
TEMPERATURE SENSING ...................................................................... 213
REGISTER MAP ....................................................................................... 214
REGISTER BITS BY ADDRESS ............................................................... 225
DIGITAL FILTER CHARACTERISTICS.................................................... 334
APPLICATIONS INFORMATION .............................................................. 336
29.3.1
29.3.2
29.3.3
29.3.4
PACKAGE DIAGRAM............................................................................... 345
IMPORTANT NOTICE ............................................................................... 346
CONFIGURING THE IRQ PIN........................................................................ 203
FIRST-LEVEL INTERRUPTS ......................................................................... 204
SECOND-LEVEL INTERRUPTS .................................................................... 205
CHIP TEMPERATURE MONITORING........................................................... 213
OVERVIEW .................................................................................................... 214
DAC FILTER RESPONSES ........................................................................... 334
ADC FILTER RESPONSES ........................................................................... 335
TYPICAL CONNECTIONS ............................................................................. 336
DC-DC (STEP-DOWN) CONVERTER EXTERNAL COMPONENTS............. 337
DC-DC (STEP-UP) CONVERTER EXTERNAL COMPONENTS ................... 339
LDO REGULATOR EXTERNAL COMPONENTS .......................................... 343
PCB LAYOUT ................................................................................................. 344
OVERCURRENT INTERRUPT ..........................................................................................205
UNDERVOLTAGE INTERRUPTS......................................................................................205
CURRENT SINK (LED DRIVER) INTERRUPTS................................................................206
EXTERNAL INTERRUPTS ................................................................................................207
CODEC INTERRUPTS ......................................................................................................207
GPIO INTERRUPTS ..........................................................................................................208
AUXADC AND DIGITAL COMPARATOR INTERRUPTS .................................................. 209
RTC INTERRUPTS ............................................................................................................209
SYSTEM INTERRUPTS.....................................................................................................210
DC-DC (STEP-UP) CONVERTERS - CONSTANT VOLTAGE MODE .............................. 339
DC-DC (STEP-UP) CONVERTERS - CONSTANT CURRENT MODE .............................. 341
DC-DC (STEP-UP) CONVERTERS - USB MODE............................................................. 342
DC-DC (STEP-UP) CONVERTERS RECOMMENDED COMPONENTS........................... 342
CHARGER INTERRUPTS..............................................................................................210
USB INTERRUPTS ........................................................................................................211
WAKE-UP INTERRUPTS...............................................................................................212
PD, June 2009, Rev 4.1
Production Data
8
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