WM8569
Production Data
PIN DESCRIPTION
PIN
1
NAME
DACMCLK
ADCBCLK
DACBLCK
ADCLRC
DACLRC
DVDD
TYPE
DESCRIPTION
Master DAC clock: 256fs, 384fs, 512fs or 768fs
ADC audio interface bit clock
Digital Input
Digital Input
2
3
Digital Input/Output DAC audio interface bit clock
Digital Input/Output ADC left/right word clock
Digital Input/Output DAC left/right word clock
4
5
6
Supply
Supply
Digital positive supply
7
DGND
Digital ground
8
DIN
Digital input
No Connect
Digital output
Digital input
DAC data input
9
NC
No Connect
10
11
DOUT
ADC data output
CSB/IDF
Software Mode: Serial control interface latch signal
Hardware Mode: Input audio data format
Software Mode: Serial control interface clock
Hardware Mode: Audio data input word length
Software Mode: Serial control interface data
Hardware Mode: De-emphasis selection
DAC Zero Flag output or DAC mute input
12
13
SCLK/IWL
SDIN/DM
Digital input
Digital input
14
15
16
17
18
19
20
21
22
23
24
25
26
27
MUTE
REFADC
ADCVREFN
DACVREFN
DACVREFP
VMID
Digital input/output
Analogue output
Supply
ADC reference buffer decoupling pin; 10uF external decoupling
ADC negative reference supply
DAC negative reference supply
DAC positive reference supply
Midrail divider decoupling pin; 10uF external decoupling
ADC right input
Supply
Supply
Analogue output
Analogue input
Analogue input
Analogue output
Analogue output
No Connect
Supply
AINR
AINL
ADC left input
VOUTL
VOUTR
NC
DAC left output
DAC right output
No Connect
AGND
Analogue negative supply and substrate connection
Analogue positive supply
AVDD
Supply
MODE
Digital Input
Control format selection:
0 = Software mode
1 = Hardware mode
28
ADCMCLK
Digital Input
Master ADC clock: 256fs, 384fs, 512fs or 768fs
Note: Digital input pins have Schmitt trigger input buffers.
PD Rev 4.0 June 2006
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
