參數(shù)資料
型號: AK4565
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: LOW POWER 20BIT CODEC WITH BUILT IN ALC
中文描述: 低功耗20位編解碼器中的ALC的建造
文件頁數(shù): 16/33頁
文件大小: 249K
代理商: AK4565
ASAHI KASEI
[AK4565]
MS0132-E-01
2003/05
- 16 -
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 (LMAT1-0, RATT, LMTH)
WR (REF6-0)
ALC Operation
WR (ALC= “1”, ZELMN)
WR (IPGA6-0)
WR (ZTM1-0, WTM1-0, LTM1-0)
WR (ALC= “0”)
RD (STAT)
Finish ALC mode and return to manual mode
Finish ALC mode
STAT = “1”
* The value of IPGA should be the
same or smaller than REF’s.
Yes
Yes
No
No
Figure 13. Registers set-up sequence at ALC operation
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