WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 7

• Manufacturer Part Number: WM8351GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8351GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
17
18
19
20
21
22
23
24
w
16.3
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
POWER SUPPLY CONTROL .................................................................... 151
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) ..... 167
AUXILIARY ADC ........................................................................................ 169
GENERAL PURPOSE INPUTS / OUTPUTS (GPIO) ................................. 178
20.1.1
20.1.2
20.1.3
20.2.1
20.2.2
VOLTAGE REFERENCES ......................................................................... 188
REAL-TIME CLOCK (RTC) ........................................................................ 189
22.2.1
22.2.2
22.2.3
22.2.4
22.2.5
WATCHDOG TIMER .................................................................................. 196
INTERRUPT CONTROLLER ..................................................................... 198
OPEN-DRAIN LED OUTPUTS ..................................................................... 150
LED DRIVER CONNECTIONS ..................................................................... 150
GENERAL DESCRIPTION ........................................................................... 151
BATTERY POWERED OPERATION ............................................................ 152
WALL ADAPTOR (LINE) POWERED OPERATION ..................................... 152
USB POWERED OPERATION ..................................................................... 153
EXTERNAL INTERRUPTS ........................................................................... 155
BACKUP POWER ........................................................................................ 155
BATTERY CHARGER .................................................................................. 156
GENERAL DESCRIPTION ........................................................................... 169
INITIATING AUXADC MEASUREMENTS .................................................... 170
VOLTAGE SCALING AND REFERENCES ................................................... 172
AUXADC READBACK .................................................................................. 173
CALIBRATION .............................................................................................. 175
DIGITAL COMPARATORS ........................................................................... 176
AUXADC INTERRUPTS ............................................................................... 177
GENERAL DESCRIPTION ........................................................................... 178
GPIO ALTERNATE FUNCTIONS ................................................................. 181
MAIN REFERENCE (VREF) ......................................................................... 188
LOW-POWER REFERENCE ........................................................................ 188
GENERAL DESCRIPTION ........................................................................... 189
RTC CONTROL ............................................................................................ 189
TRIMMING THE RTC ................................................................................... 192
RTC GPIO OUTPUT..................................................................................... 193
RTC INTERRUPTS ...................................................................................... 195
CONFIGURING THE IRQ PIN ...................................................................... 199
GENERAL DESCRIPTION ................................................................................................. 156
BATTERY CHARGER ENABLE ......................................................................................... 158
TRICKLE CHARGING ........................................................................................................ 158
FAST CHARGING .............................................................................................................. 160
BATTERY CHARGER TIMEOUT AND TERMINATION ..................................................... 162
BATTERY CHARGER STATUS ......................................................................................... 163
BATTERY FAULT CONDITIONS ....................................................................................... 164
INTERRUPTS AND FAULT PROTECTION ....................................................................... 166
CONFIGURING GPIO PINS .............................................................................................. 179
INPUT DE-BOUNCE .......................................................................................................... 180
GPIO INTERRUPTS .......................................................................................................... 180
LIST OF ALTERNATE FUNCTIONS .................................................................................. 181
SELECTING GPIO ALTERNATE FUNCTIONS ................................................................. 184
MODES OF OPERATION .................................................................................................. 189
RTC TIME REGISTERS ..................................................................................................... 189
SETTING THE TIME .......................................................................................................... 190
RTC ALARM REGISTERS ................................................................................................. 190
SETTING THE ALARM ...................................................................................................... 192
PD, March 2010, Rev 4.2
WM8351
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