WM8945 Datasheet, PDF (7/169 Pages) Wolfson Microelectronics plc – Mono Low-Power CODEC with Video Buffer and Touch Panel Controller

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
F2
F3
F4
F5
F6
NAME
SPKVDD
LDOVOUT
LDOVDD
VMIDC
YN
XP
SPKOUTR
SPKOUTL
GND
XN
YP
AUX1
LINEOUTL
DNC
ADCDAT
MICBIAS
AUX2
IN2L
VBREFR
VBOUT
C¯¯S/GPIO2
IN1L/DMICDAT
DNC
DNC
VBIN
BCLK
LRCLK
SDOUT/GPIO4
DCVDD
SDA
MCLK
DACDAT
GPIO1
CIFMODE/GPIO3
DBVDD
SCLK
TYPE
Supply
Supply
Supply
Analogue Output
Analogue Input / Output
Analogue Input / Output
Analogue Output
Analogue Output
Supply
Analogue Input / Output
Analogue Input / Output
Analogue Input
Analogue Output
N/A
Digital Output
Analogue Output
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Digital Input / Output
Analogue Input / Digital Input
N/A
N/A
Analogue Input
Digital Input / Output
Digital Input / Output
Digital Input / Output
Supply
Digital Input / Output
Digital Input
Digital Input
Digital Input / Output
Digital Input / Output
Supply
Digital Input
DESCRIPTION
Supply for speaker driver
LDO output
LDO supply input
Midrail voltage decoupling capacitor
Touch Panel (bottom) connection
Touch Panel (right) connection
Right speaker mixer output
Left speaker mixer output
Ground
Touch Panel (left) connection
Touch Panel (top) connection
Aux input (audio or AUXADC input)
Left line mixer output
Do Not Connect
ADC / Digital Microphone digital audio data
Microphone bias
Aux input (audio or AUXADC input)
Left input 2
Video buffer current reference resistor connection
Video buffer output
Chip Select / GPIO2
Left input 1 / Digital Microphone data input
Do Not Connect
Do Not Connect
Video buffer input
Audio interface bit clock
Audio interface left / right clock
Control interface data output / GPIO4
Digital core supply
Control interface data input / output
Master clock
DAC digital audio data
GPIO1
Control interface mode select / GPIO3
Digital buffer (I/O) supply
Control interface clock input
w
PD, May 2011, Rev 4.1
7