參數(shù)資料
型號: AK4671EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/RCV/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù): 94/164頁
文件大?。?/td> 1792K
代理商: AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 94 -
<Stereo Line Output 3 Control Sequence (in case of using Pop Noise Reduction Circuit)>
(2)
P M LO 3 bit
P M R O 3 bit
LO P S 3 bit
LO U T3, R O U T3 pins
(1)
N orm al O utput
(3)
(4)
(5)
(6)
300 m s
300 m s
Figure 76. Stereo Line Output 3 Control Sequence (in case of using Pop Noise Reduction Circuit)
(1)
Set LOPS3 bit = “1”. Stereo line output enters the power-save mode.
(2)
Set PMLO3=PMRO3 bits = “1”. Stereo line output exits the power-down mode.
LOUT3 and ROUT3 pins rise up to VCOM voltage. Rise time is 200ms (max 300ms) at C=1
μ
F and
AVDD=3.3V.
(3)
Set LOPS3 bit = “0” after LOUT3 and ROUT3 pins rise up. Stereo line output exits the power-save mode.
Stereo line output is enabled.
(4)
Set LOPS3 bit = “1”. Stereo line output enters power-save mode.
(5)
Set PMLO3=PMRO3 bits = “0”. Stereo line output enters power-down mode.
LOUT3 and ROUT3 pins fall down to VSS1. Fall time is 200ms (max 300ms) at C=1
μ
F and AVDD=3.3V.
(6)
Set LOPS3 bit = “0” after LOUT3 and ROUT3 pins fall down. Stereo line output exits the power-save mode.
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