Production Data
WM9090
w
PD, November 2010, Rev 4.1
5
PIN DESCRIPTION
PIN NO
NAME
TYPE
DESCRIPTION
A1 SPKOUTN Analogue Output
Speaker negative output
A2 SPKVDD
Supply
Speaker supply
A3 DNC
n/a Do Not Connect
A4 IN2N Analogue
Input
IN2 negative analogue input
A5 IN2P Analogue
Input
IN2 positive analogue input
B1 SPKOUTP Analogue Output
Speaker positive output
B2 GND
Supply Ground for speaker and charge pump
B3 DNC
n/a Do Not Connect
B4 IN1N Analogue
Input
IN1 negative analogue input
B5 IN1P Analogue
Input
IN1 positive analogue input
C1 CPVOUTP Analogue
Output
Charge pump positive rail decoupling pin
C2 AVDD
Supply Analogue supply
C3 SCLK Digital
Input
Control interface clock
C4
SDA
Digital Input / Output
Control interface data
C5 VMIDC Analogue
Output
Mid-rail voltage decoupling pin
D1 CPCB Analogue
Output
Charge pump flyback capacitor pin
D2 CPCA Analogue
Output
Charge pump flyback capacitor pin
D3 CPVOUTN Analogue
Output
Charge pump negative rail decoupling pin
D4 HPOUTL Analogue
Output
Left headphone output
D5 HPOUTR Analogue
Output
Right headphone output
