Production Data
WM8945
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
YN
TYPE
DESCRIPTION
Supply for speaker driver
Supply
Supply
Supply
LDO output
LDO supply input
Analogue Output
Analogue Input / Output
Analogue Input / Output
Analogue Output
Analogue Output
Supply
Midrail voltage decoupling capacitor
Touch Panel (bottom) connection
Touch Panel (right) connection
Right speaker mixer output
Left speaker mixer output
Ground
XP
SPKOUTR
SPKOUTL
GND
XN
Analogue Input / Output
Analogue Input / Output
Analogue Input
Analogue Output
N/A
Touch Panel (left) connection
Touch Panel (top) connection
Aux input (audio or AUXADC input)
Left line mixer output
YP
AUX1
LINEOUTL
DNC
Do Not Connect
Digital Output
ADC / Digital Microphone digital audio data
Microphone bias
ADCDAT
MICBIAS
AUX2
Analogue Output
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Digital Input / Output
Analogue Input / Digital Input
N/A
Aux input (audio or AUXADC input)
Left input 2
IN2L
Video buffer current reference resistor connection
Video buffer output
VBREFR
VBOUT
C¯¯S/GPIO2
IN1L/DMICDAT
DNC
Chip Select / GPIO2
Left input 1 / Digital Microphone data input
Do Not Connect
N/A
Do Not Connect
DNC
Analogue Input
Digital Input / Output
Digital Input / Output
Digital Input / Output
Supply
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, May 2011, Rev 4.1
w
7
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
