ak4561 AKM Semiconductor, Inc., ak4561 Datasheet - Page 44

• Manufacturer Part Number: ak4561
• Description: 16bit Codec With Built-in Alc And Mic/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
During ALC operation, the following registers are inhibits.
Rev. 0.9
LTM1-0, LMTH, LMAT1-0, WTM1-0, ZTM1-0, RATT, REF6-0, ZELM
WR (Power Management Control & Signal Select registers)
Figure 32. Registers set-up sequence at ALC operation
Finish ALC-Mode and become manual-Mode
No
WR (ZTM1-0, WTM1-0, LTM1-0)
No
WR (LMAT1-0, RATT, LMTH)
AKM CONFIDENTIAL
Finish ALC mode?
WR (ALC= “1”)
WR (ALC= “0”)
ALC Operation
WR (IPGA6-0)
WR (REF6-0)
Manual-Mode
STAT = “1”?
RD (STAT)
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Yes
Yes
* The value of IPGA should be the
same or smaller than REF’s.
[AK4561]
2000/09