AKD4569 View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

MFG CO.

AKD4569

20-Bit Stereo CODEC with IPGA & HP-AMP

Asahi Kasei Microdevices 

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ASAHI KASEI

[3] ALC Operation Example

The following registers should not be changed during the ALC operation:

LTM1-0, LMTH, LMAT1-0, WTM1-0, ZTM1-0, RATT, REF6-0, ZELMN.

Manual mode

WR (Power Management Control & Signal Select)

[AK4569]

WR (ZTM1-0, WTM1-0, LTM1-0)

WR (LMAT1-0, RATT, LMTH)

WR (REF6-0)

* The value of IPGA should be the

WR (IPGA6-0) same or smaller than REF’s.

WR (ALC= “1”,ZELMN)

ALC Operation

No

Finish ALC mode?

Yes

WR (ALC=”0”)

Finish ALC mode and return to Manual mode

Figure 14. Registers set-up sequence at ALC operation (WR=Write)

MS0292-E-01

- 18 -

2005/07

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