WM8776 Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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производитель
WM8776 Datasheet PDF : 57 Pages
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WM8776
Production Data
PIN DESCRIPTION
PIN
NAME
1
AIN2L
TYPE
Analogue Input
DESCRIPTION
Channel 2 left input multiplexor virtual ground
2
AIN1R
Analogue Input Channel 1 right input multiplexor virtual ground
3
AIN1L
Analogue Input Channel 1 left input multiplexor virtual ground
4
DACBCLK Digital input/output DAC audio interface bit clock
5
DACMCLK
Digital input
Master DAC clock; 256, 384, 512 or 768fs (fs = word clock frequency)
6
DIN
Digital Input DAC data input
7
DACLRC Digital input/output DAC left/right word clock
8
ZFLAGR
Open Drain output DAC Right Zero Flag output (external pull-up resistor required)
9
ZFLAGL
Open Drain output DAC Left Zero Flag output (external pull-up resistor required)
10
ADCBCLK Digital input/output ADC audio interface bit clock
11
ADCMCLK
Digital input
ADC audio interface master clock
12
DOUT
Digital output ADC data output
13
ADCLRC Digital input/output ADC left/right word clock
14
DGND
Supply
Digital negative supply
15
DVDD
Supply
Digital positive supply
16
MODE
Digital input
Control interface mode select
17
CE
Digital input
Serial interface Latch signal
18
DI
Digital input
Serial interface data
19
CL
Digital input
Serial interface clock
20
HPOUTL
Analogue Output Headphone left channel output
21
HPGND
Supply
Headphone negative supply
22
HPVDD
Supply
Headphone positive supply
23
HPOUTR
Analogue Output Headphone right channel output
24
NC
Not bonded
25
NC
Not bonded
26
VOUTL
Analogue output DAC channel left output
27
VOUTR
Analogue output DAC channel right output
28
VMIDDAC
Analogue output DAC midrail decoupling pin ; 10uF external decoupling
29
DACREFN
Analogue input DAC negative reference input
30
DACREFP
Analogue input DAC positive reference input
31
AUXR
Analogue input DAC mixer right channel input
32
AUXL
Analogue input DAC mixer left channel input
33
VMIDADC
Analogue Output ADC midrail divider decoupling pin; 10uF external decoupling
34
ADCREFGND
Supply
ADC negative supply and substrate connection
35
ADCREFP
Analogue Output ADC positive reference decoupling pin; 10uF external decoupling
36
AVDD
Supply
Analogue positive supply
37
AGND
Supply
Analogue negative supply and subVstrate connection
38
AINVGR
Analogue Input Right channel multiplexor virtual ground
39
AINOPR
Analogue Output Right channel multiplexor output
40
AINVGL
Analogue Input Left channel multiplexor virtual ground
41
AINOPL
Analogue Output Left channel multiplexor output
42
AIN5R
Analogue Input Channel 5 right input multiplexor virtual ground
43
AIN5L
Analogue Input Channel 5 left input multiplexor virtual ground
44
AIN4R
Analogue Input Channel 4 right input multiplexor virtual ground
45
AIN4L
Analogue Input Channel 4 left input multiplexor virtual ground
46
AIN3R
Analogue Input Channel 3 right input multiplexor virtual ground
47
AIN3L
Analogue Input Channel 3 left input multiplexor virtual ground
48
AIN2R
Analogue Input Channel 2 right input multiplexor virtual ground
Note : Digital input pins have Schmitt trigger input buffers.
w
PD Rev 4.0 April 2005
4
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