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WM8972LEFL/R 数据表(PDF) 4 Page - Wolfson Microelectronics plc

部件名 WM8972LEFL/R
功能描述  MONO CODEC FOR PORTABLE AUDIO APPLICATIONS
PDF  49 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8972LEFL/R 数据表(HTML) 4 Page - Wolfson Microelectronics plc

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WM8972L
Preliminary Technical Data
w
PTD Rev 2.2 June 2004
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
ADCDAT
Digital Output
ADC Digital Audio Data
9
ADCLRC
Digital Input / Output
Audio Interface Left / Right Clock
10
MONOOUT
Analogue Output
Mono Output
11
OUT2
Analogue Output
Analogue Output 2
12
DNC
Do not connect
Leave this pin floating
13
DNC
Do not connect
Leave this pin floating
14
OPGND
Supply
Supply for Analogue Output Drivers
15
OUT-
Analogue Output
- Output (Line or Speaker)
16
OUT+
Analogue Output
+ Output (Line or Speaker)
17
OPVDD
Supply
Supply for Analogue Output Drivers (OUT-/+, 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
DNC
Do not connect
Leave this pin floating
24
DNC
Do not connect
Leave this pin floating
25
INPUT2-
Analogue Input
- Channel Input 2
26
INPUT2+
Analogue Input
+ Channel Input 2
27
INPUT1-
Analogue Input
- Channel Input 1
28
INPUT1+
Analogue Input
+ 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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