WM8581SEFT datasheet(5/94 Pages) WOLFSON

Part #	WM8581SEFT

Description	Multichannel CODEC with S/PDIF Transceiver

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Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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WM8581

w

PP Rev 1.0 March 2006

5

PIN DESCRIPTION

NAME

TYPE

DESCRIPTION

1

VOUT4L

Analogue Output

DAC channel 4 left output

2

VOUT4R

Analogue Output

DAC channel 4 right output

3

PGND

Supply

PLL ground

4

PVDD

Supply

PLL positive supply

5

XTI

Digital Input

Crystal or CMOS clock input

6

XTO

Digital Output

Crystal output

7

MFP7

Digital Input/Output

Multi-Function Pin (MFP) 7. See Table 1 for details of all MFP pins.

8

MFP6

Digital Input/Output

Multi-Function Pin (MFP) 6. See Table 1 for details of all MFP pins.

9

SPDIFOP

Digital Output

S/PDIF transmitter output

10

MFP5

Digital Input/Output

Multi-Function Pin (MFP) 5. See Table 1 for details of all MFP pins.

11

MFP4

Digital Input/Output

Multi-Function Pin (MFP) 4. See Table 1 for details of all MFP pins.

12

MFP3

Digital Input/Output

Multi-Function Pin (MFP) 3. See Table 1 for details of all MFP pins.

13

SPDIFIN1

Digital Input

S/PDIF Receiver Input 1

14

CLKOUT

Digital Output

PLL or crystal oscillator clock output

15

DVDD

Supply

Digital positive supply

16

DGND

Supply

Digital ground

17

MUTE

Digital Input/Output

DAC mute-all input/ All-DAC Infinite Zero Detect (IZD) flag output

18

DIN1

Digital Input

Primary Audio Interface (PAIF) receiver data input 1

19

DIN2

Digital Input

Primary Audio Interface (PAIF) receiver data input 2

20

DIN3

Digital Input

Primary Audio Interface (PAIF) receiver data input 3

21

DIN4

Digital Input

Primary Audio Interface (PAIF) receiver data input 4

22

PAIFRX_LRCLK

Digital Input/Output

Primary Audio Interface (PAIF) receiver left/right word clock

23

PAIFRX_BCLK

Digital Input/Output

Primary Audio Interface (PAIF) receiver bit clock

24

MCLK

Digital Input/Output

System Master clock; 256, 384, 512, 768, 1024 or 1152 fs

25

DOUT

Digital Output

Primary Audio Interface (PAIF) transmitter data output

26

PAIFTX_LRCLK

Digital Input/Output

Primary audio interface transmitter left/right word clock

27

MFP1

Digital Input/Output

Multi-Function Pin (MFP) 1. See Table 1 for details of all MFP pins.

28

MFP2

Digital Input/Output

Multi-Function Pin (MFP) 2. See Table 1 for details of all MFP pins.

29

HWMODE

Digital Input

Configures control to be either Software Mode or Hardware Mode

30

SWMODE

Digital Input/Output

Configures software interface to be either 2-wire or 3-wire. See note 2.

31

SDO

Digital Output

3-wire control interface data output. See note 3.

32

SDIN

Digital Input/Output

Control interface data input (and output under 2-wire control)

33

SCLK

Digital Input

Control interface clock

34

CSB

Digital Input

3-wire control interface latch signal / device address selection

35

AINR

Analogue Input

ADC Right Channel Input

36

AINL

Analogue Input

ADC Left Channel Input

37

ADCREFP

Analogue Output

ADC reference buffer decoupling pin; 10uF external decoupling

38

VMID

Analogue Output

Midrail divider decoupling pin; 10uF external decoupling

39

AGND

Supply

Analogue ground

40

AVDD

Supply

Analogue positive supply

41

VOUT1L

Analogue Output

DAC channel 1 left output

42

VOUT1R

Analogue Output

DAC channel 1 right output

43

VOUT2L

Analogue Output

DAC channel 2 left output

44

VOUT2R

Analogue Output

DAC channel 2 right output

45

VREFP

Analogue Input

DAC and ADC positive reference

46

VREFN

Analogue Input

DAC and ADC ground reference

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