WM8350GEB/RV Wolfson Microelectronics, WM8350GEB/RV Datasheet - Page 7

• Manufacturer Part Number: WM8350GEB/RV
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8350GEB/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
17
18
19
20
21
22
23
24
w
16.4
17.1
17.2
17.3
17.4
17.5
17.6
17.7
19.1
19.2
19.3
19.4
19.5
19.6
19.7
20.1
20.2
21.1
21.2
22.1
22.2
22.3
22.4
22.5
24.1
24.2
24.3
POWER SUPPLY CONTROL .................................................................... 154
17.7.1
17.7.2
17.7.3
17.7.4
17.7.5
17.7.6
17.7.7
17.7.8
SYSTEM MONITORING AND UNDERVOLTAGE LOCKOUT (UVLO) ..... 170
AUXILIARY ADC ........................................................................................ 172
GENERAL PURPOSE INPUTS / OUTPUTS (GPIO) ................................. 181
20.1.1
20.1.2
20.1.3
20.2.1
20.2.2
VOLTAGE REFERENCES ......................................................................... 191
REAL-TIME CLOCK (RTC) ........................................................................ 192
22.2.1
22.2.2
22.2.3
22.2.4
22.2.5
WATCHDOG TIMER .................................................................................. 199
INTERRUPT CONTROLLER ..................................................................... 201
LED DRIVER CONNECTIONS ..................................................................... 153
GENERAL DESCRIPTION ........................................................................... 154
BATTERY POWERED OPERATION ............................................................ 155
WALL ADAPTOR (LINE) POWERED OPERATION ..................................... 155
USB POWERED OPERATION ..................................................................... 156
EXTERNAL INTERRUPTS ........................................................................... 158
BACKUP POWER ........................................................................................ 158
BATTERY CHARGER .................................................................................. 159
GENERAL DESCRIPTION ........................................................................... 172
INITIATING AUXADC MEASUREMENTS .................................................... 173
VOLTAGE SCALING AND REFERENCES ................................................... 175
AUXADC READBACK .................................................................................. 176
CALIBRATION .............................................................................................. 178
DIGITAL COMPARATORS ........................................................................... 179
AUXADC INTERRUPTS ............................................................................... 180
GENERAL DESCRIPTION ........................................................................... 181
GPIO ALTERNATE FUNCTIONS ................................................................. 184
MAIN REFERENCE (VREF) ......................................................................... 191
LOW-POWER REFERENCE ........................................................................ 191
GENERAL DESCRIPTION ........................................................................... 192
RTC CONTROL ............................................................................................ 192
TRIMMING THE RTC ................................................................................... 195
RTC GPIO OUTPUT..................................................................................... 197
RTC INTERRUPTS ...................................................................................... 198
CONFIGURING THE IRQ PIN ...................................................................... 201
FIRST-LEVEL INTERRUPTS ....................................................................... 202
SECOND-LEVEL INTERRUPTS .................................................................. 203
GENERAL DESCRIPTION ................................................................................................. 159
BATTERY CHARGER ENABLE ......................................................................................... 160
TRICKLE CHARGING ........................................................................................................ 161
FAST CHARGING .............................................................................................................. 163
BATTERY CHARGER TIMEOUT AND TERMINATION ..................................................... 165
BATTERY CHARGER STATUS ......................................................................................... 166
BATTERY FAULT CONDITIONS ....................................................................................... 167
INTERRUPTS AND FAULT PROTECTION ....................................................................... 169
CONFIGURING GPIO PINS .............................................................................................. 182
INPUT DE-BOUNCE .......................................................................................................... 183
GPIO INTERRUPTS .......................................................................................................... 183
LIST OF ALTERNATE FUNCTIONS .................................................................................. 184
SELECTING GPIO ALTERNATE FUNCTIONS ................................................................. 187
MODES OF OPERATION .................................................................................................. 192
RTC TIME REGISTERS ..................................................................................................... 192
SETTING THE TIME .......................................................................................................... 193
RTC ALARM REGISTERS ................................................................................................. 193
SETTING THE ALARM ...................................................................................................... 195
PD, February 2011, Rev 4.4
WM8350
7