參數(shù)資料
型號(hào): AKD4564
廠(chǎng)商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): Codec
英文描述: 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
中文描述: 16位編解碼器,配有ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 28/48頁(yè)
文件大?。?/td> 382K
代理商: AKD4564
ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 28 -
The following registers should not be changed during the ALC1 operation.
WTM1-0, ZTM1-0, LMTH1-0, LMAT1-0, RGAIN1-0, REF7-0, FR
Manual Mode
WR (Power Management Control & Signal Select registers)
WR (LMAT1-0, RGAIN1-0, LMTH1-0)
WR (REF7-0)
ALC1 Operation
WR (ALC1= “1”)
WR (IVOL7-0)
WR (ZTM1-0, WTM1-0)
WR (ALC1= “0”)
Finish ALC1 mode and return to manual mode
Finish ALC1 mode
*1: The value of IVOL should be
the same or smaller than REF’s
Yes
No
*2
Figure 22. Registers set-up sequence at ALC1 operation
*2: When ALC1 bit changes into “0”, it takes a period set by ZTM1-0 bit to return manual mode.
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