WM8777(2005) 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8777 Datasheet PDF : 103 Pages
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WM8777
Pre-Production
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
PGND
Supply
PLL ground supply
2
PVDD
Supply
PLL positive supply
3
CLKOUT
Digital output PLL output or crystal oscillator output
4
PDATAOP
Digital output Primary Audio Interface data output (ADC)
5
PDATAIP1
Digital Input Primary Audio Interface data input 1 (DAC1)
6
PDATAIP2
Digital Input Primary Audio Interface data input 2 (DAC2)
7
PDATAIP3
Digital Input Primary Audio Interface data input 3 (DAC3)
8
PDATAIP4
Digital Input Primary Audio Interface data input 4 (DAC4)
9
PDATAIPLRC Digital input/output DAC left/right word clock
10
PDATAOPLRC Digital input/output ADC left/right word clock
11
PBCLK
Digital input/output ADC and DAC audio interface bit clock
12
MCLK
Digital input/output Master DAC and ADC clock; 128, 192, 256, 384, 512, 768fs or 1152fs (fs =
word clock freq)
13
SDOUT
Digital output Serial interface output data
14
DVDD
Supply
Digital positive supply
15
DGND
Supply
Digital negative supply
16
CSB
Digital input
Serial interface Latch signal (5V tolerant)
17
SCLK
Digital input
Serial interface clock (5V tolerant)
18
SDIN
Digital input
Serial interface data (5V tolerant)
19
AIN1L
Analogue Input Channel 1 left input multiplexor virtual ground
20
AIN1R
Analogue Input Channel 1 right input multiplexor virtual ground
21
AIN2L
Analogue Input Channel 2 left input multiplexor virtual ground
22
AIN2R
Analogue Input Channel 2 right input multiplexor virtual ground
23
AIN3L
Analogue Input Channel 3 left input multiplexor virtual ground
24
AIN3R
Analogue Input Channel 3 right input multiplexor virtual ground
25
AIN4L
Analogue Input Channel 4 left input multiplexor virtual ground
26
AIN4R
Analogue Input Channel 4 right input multiplexor virtual ground
27
AIN5L
Analogue Input Channel 5 left input multiplexor virtual ground
28
AIN5R
Analogue Input Channel 5 right input multiplexor virtual ground
29
AIN6L
Analogue Input Channel 6 left input multiplexor virtual ground
30
AIN6R
Analogue Input Channel 6 right input multiplexor virtual ground
31
AINOPL
Analogue Output Left channel multiplexor output
32
AINVGL
Analogue Input Left channel multiplexor virtual ground
33
AINVGR
Analogue Input Right channel multiplexor virtual ground
34
AINOPR
Analogue Output Right channel multiplexor output
35
RECL
Analogue Output Left channel input mux select output
36
RECR
Analogue Output Right channel input mux select output
37
AVDDADC
Supply
Analogue positive supply for ADC
38
REFADCP
Analogue Output ADC reference buffer decoupling pin; 10uF external decoupling
39
VMIDADC
Analogue Output ADC midrail divider decoupling pin; 10uF external decoupling
40
AGNDADC
Supply
Analogue negative supply and substrate connection for ADC
41
REFADCN
Supply
ADC ground reference
42
DACREFP1
Supply
DAC positive reference supply
43
DACREFN1
Supply
DAC ground reference
44
VMIDDAC1 Analogue output DAC midrail decoupling pin ; 10uF external decoupling
45
RAUXSOP
Analogue output Right aux/rear channel summer output
46
RAUXBMIN Analogue input Right Aux/rear channel bass managed filtered input
47
LAUXSOP
Analogue output Left aux/rear channel summer output
48
LAUXBMIN
Analogue input Left Aux/rear channel bass managed filtered input
49
AUXR
Analogue output DAC aux or rear channel right output
50
AUXL
Analogue output DAC aux or rear channel left output
w
PP Rev 3.0 January 2004
4
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