WM8972LGEFL Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM8972LGEFL Datasheet PDF : 49 Pages
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WM8972L
PIN DESCRIPTION
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NAME
MCLK
DCVDD
DBVDD
DGND
BCLK
DACDAT
DACLRC
ADCDAT
ADCLRC
MONOOUT
OUT2
DNC
DNC
OPGND
OUT-
OUT+
OPVDD
AVDD
AGND
VREF
VMID
MICBIAS
DNC
DNC
INPUT2-
INPUT2+
INPUT1-
INPUT1+
MODE
CSB
SDIN
SCLK
TYPE
Digital Input
Supply
Supply
Supply
Digital Input / Output
Digital Input
Digital Input / Output
Digital Output
Digital Input / Output
Analogue Output
Analogue Output
Do not connect
Do not connect
Supply
Analogue Output
Analogue Output
Supply
Supply
Supply
Analogue Output
Analogue Output
Analogue Output
Do not connect
Do not connect
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input
Digital Input
Digital Input/Output
Digital Input
Preliminary Technical Data
DESCRIPTION
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
ADC Digital Audio Data
Audio Interface Left / Right Clock
Mono Output
Analogue Output 2
Leave this pin floating
Leave this pin floating
Supply for Analogue Output Drivers
- Output (Line or Speaker)
+ Output (Line or Speaker)
Supply for Analogue Output Drivers (OUT-/+, MONOUT)
Analogue Supply
Analogue Ground (return path for both AVDD and MVDD)
Reference Voltage Decoupling Capacitor
Midrail Voltage Decoupling Capacitor
Microphone Bias
Leave this pin floating
Leave this pin floating
- Channel Input 2
+ Channel Input 2
- Channel Input 1
+ Channel Input 1
Control Interface Selection
Chip Select / Device Address Selection
Control Interface Data Input / 2-wire Acknowledge output
Control Interface Clock Input
w
PTD Rev 2.2 June 2004
4
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