AK4629 datasheet(4/46 Pages) AKM

Part #	AK4629

Description	High Performance Multi-channel Audio CODEC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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[AK4629]

PIN/FUNCTION

No.

Pin Name

I/O

Function

1

CAD0

I

Chip Address 0 Pin

2

CAD1

I

Chip Address 1 Pin

PS

I

Parallel/Serial Select Pin

3

“L”: Serial control mode, “H”: Parallel control mode

4

SDTO1

O

ADC1 Audio Serial Data Output Pin

5

SDTO2

O

ADC2 Audio Serial Data Output Pin

TVDD

-

6

Output Buffer Power Supply Pin, 2.7V

∼5.5V

DVDD

-

7

Digital Power Supply Pin, 4.5V

∼5.5V

8

VSS1

-

Digital Ground Pin, 0V

TDM0

I

TDM I/F Format Mode Pin in parallel control mode

“L”: Normal mode, “H”: TDM mode

9

SDA/CDTI

I/O

Control Data Input Pin in serial control mode

I2C pin= “L”: CDTI (3-wire Serial), I2C pin= “H”: SDA (I2C Bus)

DIF1

I

Audio Data Interface Format 1 Pin in parallel control mode

10

SCL/CCLK

I

Control Data Clock Pin in serial control mode

I2C pin= “L”: CCLK (3-wire Serial), I2C pin= “H”: SCL (I2C Bus)

DIF0

I

Audio Data Interface Format 0 Pin in parallel control mode

11

CSN

I

Chip Select Pin in 3-wire serial control mode

This pin should be connected to DVDD at I2C bus control mode

PDN

I

Power-Down & Reset Pin

When “L”, the AK4629 is powered-down and the control registers are reset to default

state. If the state of the PS pin or CAD1-0 changes, then the AK4629 must be reset by the

PDN pin.

12

13

MCLK

I

Master Clock Input Pin

14

BICK

I

Audio Serial Data Clock Pin

15

LRCK

I

Input Channel Clock Pin

16

SDTI1

I

DAC1 Audio Serial Data Input Pin

17

SDTI2

I

DAC2 Audio Serial Data Input Pin

18

SDTI3

I

DAC3 Audio Serial Data Input Pin

19

SDTI4

I

DAC4 Audio Serial Data Input Pin

DFS0

I

Double Speed Sampling Mode Pin (Note 1)

20

“L”: Normal Speed, “H”: Double Speed

I2C

I

Control Mode Select Pin (PS pin = “L”)

“L”: 3-wire Serial, “H”: I2C Bus

21

TST6

I

Test Pin (PS pin = “H”)

This pin should be connected to VSS1

TST2

Test Pin

22

This pin should be connected to VSS1.

23

LOUT4

O

DAC4 Lch Analog Output Pin

24

ROUT4

O

DAC4 Rch Analog Output Pin

25

LOUT3

O

DAC3 Lch Analog Output Pin

26

ROUT3

O

DAC3 Rch Analog Output Pin

27

LOUT2

O

DAC2 Lch Analog Output Pin

28

ROUT2

O

DAC2 Rch Analog Output Pin

29

LOUT1

O

DAC1 Lch Analog Output Pin

30

ROUT1

O

DAC1 Rch Analog Output Pin

MS1277-E-02

2012/03

- 4 -

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