AK4560A Datasheet, PDF (43/47 Pages) Asahi Kasei Microsystems – 16bit CODEC with ALC and MIC/HP/SPK-Amps

ASAHI KASEI
[AK4560A]
During ALC1 operation, the following registers are inhibits.
• LTM1-0, LMTH, LMAT1-0, WTM1-0, ZTM1-0, RATT, REF6-0
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 (ALC1= “1”)
ALC1 Operation
No
Finish ALC1 mode?
Yes
WR (ALC1= “0”)
RD (STAT)
No
STAT = “1”?
Yes
Finish ALC1-Mode and become manual-Mode
Figure 34. Registers set-up sequence at ALC1 operation
MS0028-E-00
- 43 -
2000/05