AK4137 datasheet(5/65 Pages) AKM

Part #	AK4137

Description	32bit SRC with PCM/DSD conversion

Download	65 Pages

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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5 / 65 page

[AK4137]

Rev. 0.2

2014/06

- 5 -

■ Pin Functions

No.

Pin Name

I/O

Function

1

DSDIL

I

DSD Data Pin in DSD Mode

DEM0

I

De-emphasis Control #0 Pin

2

DSDIR

I

DSD Data Pin in DSD Mode

DEM1

I

De-emphasis Control #1 Pin

3

IDCLK

I

DSD Clock Pin in DSD Mode

4

ILRCK

I

L/R Clock Pin in PCM Mode

5

IBICK

I

Audio Serial Data Clock Pin in PCM Mode

6

SDTI

I

Audio Serial Data Input Pin in PCM Mode

7

CAD0

I

Chip Address 0 Pin in Serial Control Mode

IDIF0

I

Digital Input Format 0 Pin in Parallel Control Mode

8

CAD1

I

Chip Address 1 Pin in Serial Control Mode

IDIF1

I

Digital Input Format 1 Pin in Parallel Control Mode

9

IDIF2

I

Digital Input Format 2 Pin in Parallel Control Mode

TDO0

O

Test Output pin

10

SRCE_N

O

Unlock Status Pin

When the PDN pin= “L”, this pin outputs “H”.

11

TEST0

I

Test pin 0. Must be connected to DVSS in normal use.

12

TEST1

I

Test pin 1. Must be connected to DVSS in normal use.

13

I2C

I

Select serial mode

“L”: 4wire serial Mode ,“H”: I2C Mode

14

PDN

I

Power-Down Mode Pin

“H”: Power up,

“L”: Power down reset and initializes the control register.

The AK4137 should be reset once by bringing PDN pin = “L” upon

power-up.

15

PSN

I

Parallel /Serial Mode Select. High equals parallel mode.

“L”: Serial Mode , “H”: Parallel Mode

Note 1. All input pins must not be allowed to float. DVDD must be connected to the same power supply.

Note 2. S_PB, CM3-0, OBOT1-0, TDM, ODIF1-0, IDIF2-0 and CAD1-0 pin must be changed when the

PDN pin =

”L”.

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AK4137 Datasheet(PDF) 5 Page - Asahi Kasei Microsystems

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