WM8951L_07 WOLFSON [Wolfson Microelectronics plc], WM8951L_07 Datasheet - Page 4

• Manufacturer Part Number: WM8951L_07
• Description: Stereo ADC with Microphone Input and Clock Generator
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8951L
PIN DESCRIPTION
Note:
1.
2.
w
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pull Up/Down only present when Control Register Interface ACTIVE=0 to conserve power.
It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
1
2
3
4
5
6
7
8
9
XTI/MCLK
ADCDAT
ADCLRC
MICBIAS
CLKOUT
RLINEIN
LLINEIN
DCVDD
DBVDD
AGND2
AVDD2
DGND
AGND
MODE
NAME
AVDD
MICIN
BCLK
SCLK
VMID
SDIN
DNC
DNC
DNC
DNC
CSB
XTO
TP1
TP2
Digital Input/Output
Digital Input/Output
Digital Input/Output
Analogue Output
Analogue Output
Do Not Connect
Do Not Connect
Do Not Connect
Do Not Connect
Analogue Input
Analogue Input
Analogue Input
Digital Output
Digital Output
Digital Output
Digital Input
Digital Input
Digital Input
Digital Input
Test Pin
Test Pin
Ground
Ground
Ground
Supply
Supply
Supply
Supply
TYPE
Crystal Input or Master Clock Input (MCLK)
Crystal Output
Digital Core VDD
Digital GND
Digital Buffers VDD
Buffered Clock Output
Digital Audio Bit Clock, Pull Down, (see Note 1)
Connect to ground
Connect to ground in slave mode / Leave floating in master
mode
ADC Digital Audio Data Output
ADC Sample Rate Left/Right Clock, Pull Down (see Note 1)
Analogue VDD
Leave this pin floating
Leave this pin floating
Analogue GND
Leave this pin floating
Leave this pin floating
Analogue VDD
Analogue GND
Mid-rail reference decoupling point
Electret Microphone Bias
Microphone Input (AC coupled)
Right Channel Line Input (AC coupled)
Left Channel Line Input (AC coupled)
Control Interface Selection, Pull Up (see Note 1)
3-Wire MPU Chip Select/ 2-Wire MPU interface address
selection, active low, Pull up (see Note 1)
3-Wire MPU Data Input / 2-Wire MPU Data Input
3-Wire MPU Clock Input / 2-Wire MPU Clock Input
DESCRIPTION
PD Rev 4.1 December 2007
Production Data
4