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WM8987L Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

Part No. WM8987L
Description  Stereo CODEC for Portable Audio Applications
Download  58 Pages
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM8987L Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

 
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WM8987L
Pre-Production
w
PP Rev 3.0 January 2007
4
PIN DESCRIPTION
PIN NO
NAME
TYPE
DESCRIPTION
1
MCLK
Digital Input
Master Clock
2
DCVDD
Supply
Digital Core Supply
3
DBVDD
Supply
Digital Buffer (I/O) Supply
4
DGND
Supply
Digital Ground (return path for both DCVDD and DBVDD)
5
BCLK
Digital Input / Output
Audio Interface Bit Clock
6
DACDAT
Digital Input
DAC Digital Audio Data
7
DACLRC
Digital Input / Output
Audio Interface Left / Right Clock/Clock Out
8
ADCLRC
Digital Input / Output
Audio Interface Left / Right Clock
9
ADCDAT
Digital Output
ADC Digital Audio Data
10
OUT3
Analogue Output
Analogue Output 3 (HPL- for BTL headsets)
11
ROUT1
Analogue Output
Right Output 1 (HPR+ for BTL headsets)
12
HPGND
Supply
Supply for Analogue Output Drivers (ROUT1, L/ROUT2, OUT3)
13
ROUT2
Analogue Output
Right Output 2 (HPR- for BTL headsets)
14
LOUT2
Analogue Output
Left Output 2 (HPL+ for BTL headsets)
15
HPVDD
Supply
Supply for Analogue Output Drivers (ROUT1, L/ROUT2, OUT3)
16
AVDD
Supply
Analogue Supply
17
AGND
Supply
Analogue Ground (return path for AVDD)
18
VREF
Analogue Output
Reference Voltage Decoupling Capacitor
19
VMID
Analogue Output
Midrail Voltage Decoupling Capacitor
20
MICBIAS
Analogue Output
Microphone Bias
21
RINPUT2
Analogue Input
Right Channel Input 2
22
LINPUT2
Analogue Input
Left Channel Input 2
23
RINPUT1
Analogue Input
Right Channel Input 1
24
LINPUT1
Analogue Input
Left Channel Input 1
25
MODE
Digital Input
Control Interface Selection
26
CSB
Digital Input
Chip Select / Device Address Selection
27
SDIN
Digital Input/Output
Control Interface Data Input / 2-wire Acknowledge output
28
SCLK
Digital Input
Control Interface Clock Input


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