AK4563A Datasheet, PDF (33/39 Pages) Asahi Kasei Microsystems – Low Power 16bit 4ch ADC & 2ch DAC with ALC

ASAHI KASEI
[AK4563A]
Does not change the following registers 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 become manual-Mode
Figure 20. Registers set-up sequence at ALC operation
MS0067-E-02
- 33 -
2004/12