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WM8971LEFL/R Datenblatt(PDF) 5 Page - Wolfson Microelectronics plc

Teilenummer WM8971LEFL/R
Bauteilbeschribung  STEREO CODEC FOR PORTABLE AUDIO APPLLICATIONS
PDF  56 Pages
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Hersteller  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8971LEFL/R Datenblatt(HTML) 5 Page - Wolfson Microelectronics plc

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Advanced Information
WM8971L
w
AI Rev 3.0 March 2004
5
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
ADCDAT
Digital Output
ADC Digital Audio Data
9
ADCLRC
Digital Input / Output
Audio Interface Left / Right Clock
10
MONOOUT
Analogue Output
Mono Output
11
NC
No Connect
No Connect
12
ROUT1
Analogue Output
Right Output 1 (Line or Headphone)
13
LOUT1
Analogue Output
Left Output 1 (Line or Headphone)
14
HPGND
Supply
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2)
15
ROUT2
Analogue Output
Right Output 1 (Line or Headphone or Speaker)
16
LOUT2
Analogue Output
Left Output 1 (Line or Headphone or Speaker)
17
HPVDD
Supply
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2,
MONOUT)
18
AVDD
Supply
Analogue Supply
19
AGND
Supply
Analogue Ground (return path for both AVDD and MVDD)
20
VREF
Analogue Output
Reference Voltage Decoupling Capacitor
21
VMID
Analogue Output
Midrail Voltage Decoupling Capacitor
22
MICBIAS
Analogue Output
Microphone Bias
23
HPDETECT
Analogue Input
Headphone Plug-in Detection
24
NC
No Connect
No Connect
25
MIC
Analogue Input
Single Ended Microphone Input
26
NC
No Connect
No Connect
27
RINPUT1
Analogue Input
Right Channel Input 1
28
LINPUT1
Analogue Input
Left Channel Input 1
29
MODE
Digital Input
Control Interface Selection
30
CSB
Digital Input
Chip Select / Device Address Selection
31
SDIN
Digital Input/Output
Control Interface Data Input / 2-wire Acknowledge output
32
SCLK
Digital Input
Control Interface Clock Input



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