AK4565 Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AK4565

Low Power 20bit CODEC with built-in ALC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4565]

The following registers should 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 registers)

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

WR (LMAT1-0, RATT, LMTH)

WR (REF6-0)

WR (IPGA6-0)

* The value of IPGA should be the

same or smaller than REF’s.

WR (ALC= “1”, ZELMN)

ALC Operation

No

Finish ALC mode?

Yes

WR (ALC= “0”)

RD (STAT)

No

STAT = “1”?

Yes

Finish ALC mode and return to manual mode

MS0132-E-01

Figure 13. Registers set-up sequence at ALC operation

- 16 -

2003/05

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