wm8962 Wolfson Microelectronics plc, wm8962 Datasheet - Page 4

• Manufacturer Part Number: wm8962
• Description: Ultra-low Power Stereo Codec With Audio Enhancement Dsp, 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
• Manufacturer: Wolfson Microelectronics plc

Preliminary Technical Data
w
PIN DESCRIPTION
PIN NO
G1
G2
G3
G4
G5
G6
G7
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
C6
C7
D1
D2
D3
D4
D5
D6
D7
E1
E2
E3
E4
E5
E6
E7
F1
F2
F3
F4
F5
F6
F7
CLKOUT2/GPIO2
CLKOUT3/GPIO3
SPKOUTRN
SPKOUTRP
SPKOUTLP
SPKOUTLN
MCLK / XTI
CPVOUTN
CPVOUTP
SPKGND1
HPOUTFB
SPKGND2
SPKVDD1
SPKVDD2
CS
CLKOUT5
¯ ¯ /GPIO6
CIFMODE
HPOUTR
MICBIAS
HPOUTL
DACDAT
ADCDAT
MICVDD
PLLGND
PLLVDD
CPGND
DCVDD
CPVDD
DBVDD
VMIDC
LRCLK
GPIO5
AGND
DGND
CPCA
CPCB
AVDD
NAME
BCLK
SCLK
IN1R
IN2R
IN4R
IN3R
IN1L
IN2L
SDA
IN4L
IN3L
XTO
Digital Input / Output
Digital Input / Output
Digital Input / Output
Digital Input / Output
Digital Input / Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Output
Digital Output
Digital Output
Digital Input
Digital Input
Digital Input
Digital Input
Reference
Reference
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
Left speaker positive output
Supply for left speaker drivers
Microphone bias amp supply
Microphone bias
Right output (Line or headphone)
Charge pump positive supply (powers HPOUTL, HPOUTR)
Charge pump negative supply (powers HPOUTL, HPOUTR)
Ground for left speaker drivers
Right speaker positive output
Left speaker negative output
HPOUTL/R ground loop noise rejection feedback
Left output (Line or headphone)
Charge pump fly-back capacitor pin
Charge pump fly-back capacitor pin
Ground for right speaker drivers
Supply for right speaker drivers
Right speaker negative output
Left channel single-ended input 1
Mid-rail voltage (AVDD/2) - (requires decoupling capacitor)
Charge pump power supply
Charge pump ground (return path for CPVDD)
DAC digital audio data
ADC digital audio data
Audio interface left / right clock
Right channel single-ended input 1
Left channel single-ended input 2
Analogue supply
Analogue ground (return path for AVDD and MICVDD)
Audio interface bit clock
Control interface data input / 2-wire acknowledge output
CS
PLL2 Clock output / General purpose input / output
Right channel single-ended input 2
Left channel single-ended input 4
Right channel single-ended input 4
Control interface clock input
Selects 2-wire or 3 / 4-wire control wire interface
Digital ground
PLL3 / FLL Clock output / GPIO
Left channel single-ended input 3
Right channel single-ended input 3
xtal output
Digital Microphone Input / General purpose input / output
Digital Core Supply
Digital Buffer Supply
PLL Supply
PLL Ground
FLL / Oscillator Clock output
Master clock input / xtal input
¯ ¯ input / Digital Microphone input / General purpose input / output
DESCRIPTION
Product Brief, July 2010, Rev 2.0
WM8962
4