Production Data
WM8946
PIN DESCRIPTION
PIN NO
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
B5
B6
C1
C2
C3
C4
C5
C6
D1
D2
D3
D4
D5
D6
E1
E2
E3
E4
E5
E6
F1
NAME
SPKVDD
LDOVOUT
LDOVDD
VMIDC
TYPE
DESCRIPTION
Supply for speaker driver
Supply
Supply
Supply
LDO output
LDO supply input
Analogue Output
N/A
Midrail voltage decoupling capacitor
Do Not Connect
DNC
N/A
Do Not Connect
DNC
Analogue Output
Analogue Output
Supply
Right speaker mixer output
Left speaker mixer output
Ground
SPKOUTR
SPKOUTL
GND
N/A
Do Not Connect
DNC
N/A
Do Not Connect
DNC
Analogue Input
Analogue Output
Analogue Output
Digital Output
Analogue Output
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Digital Input / Output
Analogue Input / Digital Input
Analogue Input
Analogue Input
Analogue Input
Digital Input / Output
Digital Input / Output
Digital Input / Output
Supply
Aux audio input
AUX1
Left line mixer output
Right line mixer output
ADC / Digital Microphone digital audio data
Microphone bias
LINEOUTL
LINEOUTR
ADCDAT
MICBIAS
AUX2
Aux audio input
Left input 2
IN2L
Video buffer current reference resistor connection
Video buffer output
VBREFR
VBOUT
C¯¯S/GPIO2
IN1L/DMICDAT
IN1R
Chip Select / GPIO2
Left input 1 / Digital Microphone data input
Right input 1
Right input 2
IN2R
Video buffer input
VBIN
Audio interface bit clock
Audio interface left / right clock
Control interface data output / GPIO4
Digital core supply
BCLK
LRCLK
SDOUT/GPIO4
DCVDD
SDA
Digital Input / Output
Digital Input
Control interface data input / output
Master clock
MCLK
Digital Input
DAC digital audio data
F2
DACDAT
GPIO1
Digital Input / Output
Digital Input / Output
Supply
GPIO1
F3
Control interface mode select / GPIO3
Digital buffer (I/O) supply
Control interface clock input
F4
CIFMODE/GPIO3
DBVDD
SCLK
F5
Digital Input
F6
PD, July 2012, Rev 4.3
w
7
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
