AK4480 查看數據表（PDF） - Asahi Kasei Microdevices

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AK4480

High Performance 114dB 32-Bit DAC

Asahi Kasei Microdevices 

PIN/FUNCTION (Continued)

No. Pin Name

I/O

Function

BICK

I Audio Serial Data Clock in PCM Mode

28 DCLK

I Audio Serial Data Clock in DSD Mode

BCK

I Audio Serial Data Clock in EXDF Mode

SDATA

I Audio Serial Data Input in PCM Mode

29 DSDL

I Lch Audio Serial Data Clock in DSD Mode

DINL

I Lch Audio Serial Data Clock in EXDF Mode

LRCK

I L/R Clock in PCM Mode

30 DSDR

I Rch Audio Serial Data Input Pin in DSD Mode

WCK

I Word Clock Pin in EXDF Mode

Note: All input pins except internal pull-up/down pins must not be left floating.

■ Handling of Unused Pin

The unused I/O pins should be processed appropriately as below.

(1) Parallel Mode (PCM Mode only)

Classification

Analog

Pin Name

AOUTLP, AOUTLN

AOUTRP, AOUTRN

Setting

These pins must be open.

These pins must be open.

(2) Serial Mode

1. PCM Mode

Classification

Analog

Digital

Pin Name

AOUTLP, AOUTLN

AOUTRP, AOUTRN

DIF2, PSN

DZFL, DZFR

Setting

These pins must be open.

These pins must be open.

These pins must be connected to VSS4.

These pins must be open.

2. DSD Mode

Classification

Analog

Digital

Pin Name

AOUTLP, AOUTLN

AOUTRP, AOUTRN

DIF2, PSN

DZFL, DZFR

Setting

These pins must be open.

These pins must be open.

These pins must be connected to VSS4.

These pins must be open.

3. Ex DF Mode

Classification

Analog

Digital

Pin Name

AOUTLP, AOUTLN

AOUTRP, AOUTRN

DIF2, PSN

DZFL, DZFR

Setting

These pins must be open.

These pins must be open.

These pins must be connected to VSS4.

These pins must be open.

MS1146-E-03

-5-

[AK4480]

2012/01

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