wm2000 Wolfson Microelectronics plc, wm2000 Datasheet - Page 3

• Manufacturer Part Number: wm2000
• Description: Handset Receiver Speaker Driver With Wolfson Myzone Ambient Noise Cancellation
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
PIN DESCRIPTION
The following pins/balls are available on WM2000.
A5
B5
D3
C4
C5
D4
D5
E5
E4
E3
E2
D2
D1
C3
C2
A1
C1
B1
A2
B2
E1
A3
A4
B3
B4
w
BALL
SCLK
SDA
DNC
DNC
DNC
DNC
DBVDD
DGND
DCVDD
AGND
VMID
LINN
LINP
MICN
MICP
SPKVDD
SPKN
SPKGND
SPKP
MICBIAS
LDO_OUT
SCAN_MODE
MCLK
GPIO
ADDR
NAME
Digital Input
Digital Input/Output
Production test pins
Supply
Ground
Supply
Ground
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Supply
Analogue Output
Ground
Analogue Output
Analogue Output
Analogue Output
Digital Input
Digital Input
Digital Input/Output
Digital Input
TYPE
2 wire control interface clock
2 wire control interface data
Do not connect. Wolfson internal use only.
Digital buffer (I/O) supply
Digital ground (return path for DCVDD and DBVDD)
Digital core supply
Analogue ground
Mid rail reference decoupling pin
Received Voice (Line) inverting differential input
Received Voice (Line) non-inverting differential input
Noise Cancelling (Mic) inverting differential input
Noise Cancelling (Mic) non-inverting differential input
Supply for speaker driver and internal LDO.
Inverting differential speaker output (BTL negative)
Speaker ground (return path for SPKVDD)
Non-inverting differential speaker output (BTL positive)
Bias supply for external microphone
Voltage regulator decoupling connection.
This pin must be grounded.
Master clock
General purpose I/O pin
2 wire control interface device address select. Should be pulled up
to DBVDD or grounded.
DESCRIPTION
PP, July 2009, Rev 3.0
WM2000
3