參數(shù)資料
型號: AK4645
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普腺苷
文件頁數(shù): 89/96頁
文件大小: 821K
代理商: AK4645
ASAHI KASEI
[AK4645]
MS0543-E-00
2006/09
- 89 -
5. EXT Master Mode
(1)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(3)
(4)
LRCK pin
BICK pin
(2)
MCKI pin
Input
M/S bit
(Addr:01H, D3)
Output
Example:
Audio I/F Format: MSB justified (ADC and DAC)
Input MCKI frequency: 256fs
Sampling Frequency: 44.1kHz
MCKO: Disable
(1) Power Supply & PDN pin = “L”
“H”
(4) Addr:00H, Data:40H
(3) Addr:04H, Data:02H
Addr:05H, Data:00H
Addr:01H, Data:08H
BICK and LRCK output
(2) MCKI input
Figure 79. Clock Set Up Sequence (5)
<Example>
(1) After Power Up: PDN pin “L”
“H”
“L” time of 150ns or more is needed to reset the AK4645.
(2) MCKI should be input.
(3) After DIF1-0 and FS1-0 bits are set, M/S bit should be set to “1”. Then LRCK and BICK are output.
(4) Power Up VCOM: PMVCM bit = “0”
“1”
VCOM should first be powered up before the other block operates.
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AK4645EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
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AK4646_11 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP