wm8987 Wolfson Microelectronics plc, wm8987 Datasheet - Page 5

• Manufacturer Part Number: wm8987
• Description: Stereo Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
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PIN DESCRIPTION
PIN NO
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
RINPUT2
RINPUT1
DACDAT
DACLRC
ADCLRC
ADCDAT
MICBIAS
LINPUT2
LINPUT1
HPGND
DCVDD
DBVDD
HPVDD
ROUT1
ROUT2
LOUT2
MODE
DGND
AGND
MCLK
AVDD
NAME
BCLK
OUT3
VREF
SCLK
VMID
SDIN
CSB
Digital Input
Supply
Supply
Supply
Digital Input / Output
Digital Input
Digital Input / Output
Digital Input / Output
Digital Output
Analogue Output
Analogue Output
Supply
Analogue Output
Analogue Output
Supply
Supply
Supply
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input
Digital Input
Digital Input/Output
Digital Input
TYPE
Master Clock
Digital Core Supply
Digital Buffer (I/O) Supply
Digital Ground (return path for both DCVDD and DBVDD)
Audio Interface Bit Clock
DAC Digital Audio Data
Audio Interface Left / Right Clock/Clock Out
Audio Interface Left / Right Clock
ADC Digital Audio Data
Analogue Output 3 (HPL- for BTL headsets)
Right Output 1 (HPR+ for BTL headsets)
Supply for Analogue Output Drivers (ROUT1, L/ROUT2, OUT3)
Right Output 2 (HPR- for BTL headsets)
Left Output 2 (HPL+ for BTL headsets)
Supply for Analogue Output Drivers (ROUT1, L/ROUT2, OUT3)
Analogue Supply
Analogue Ground (return path for AVDD)
Reference Voltage Decoupling Capacitor
Midrail Voltage Decoupling Capacitor
Microphone Bias
Right Channel Input 2
Left Channel Input 2
Right Channel Input 1
Left Channel Input 1
Control Interface Selection
Chip Select / Device Address Selection
Control Interface Data Input / 2-wire Acknowledge output
Control Interface Clock Input
DESCRIPTION
PD Rev 4.0 August 2008
WM8987L
5