參數(shù)資料
型號: AK4561
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16bit CODEC with built-in ALC and MIC/HP-Amp
中文描述: 16位編解碼器在ALC和內(nèi)置麥克風(fēng)/惠普放大器
文件頁數(shù): 44/48頁
文件大?。?/td> 332K
代理商: AK4561
ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Rev. 0.9
2000/09
- 44 -
During ALC operation, the following registers are inhibits.
LTM1-0, LMTH, LMAT1-0, WTM1-0, ZTM1-0, RATT, REF6-0, ZELM
Manual-Mode
WR (Power Management Control & Signal Select registers)
WR (LMAT1-0, RATT, LMTH)
WR (REF6-0)
ALC Operation
WR (ALC= “1”)
WR (IPGA6-0)
WR (ZTM1-0, WTM1-0, LTM1-0)
WR (ALC= “0”)
RD (STAT)
Finish ALC-Mode and become 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 32. Registers set-up sequence at ALC operation
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