參數(shù)資料
型號: AK4646EZ
廠商: ASAHI KASEI POWER DEVICES CORP
元件分類: 消費(fèi)家電
英文描述: Stereo CODEC with MIC/SPK-AMP
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝: 4 X 4 MM, 0.40 MM PITCH, LEAD FREE, PLASTIC, QFN-32
文件頁數(shù): 70/78頁
文件大?。?/td> 808K
代理商: AK4646EZ
[AK4646EZ]
MS0630-E-00
2007/06
- 70 -
4.
EXT Slave Mode
(1)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
LRCK pin
BICK pin
(4)
Input
(4)
MCKI pin
Input
Example:
Audio I/F Format: MSB justified (ADC and DAC)
Input MCKI frequency: 1024fs
MCKO: Disable
(1) Power Supply & PDN pin = “L”
“H”
(3) Addr:00H, Data:40H
(2) Addr:04H, Data:02H
Addr:05H, Data:27H
MCKI, BICK and LRCK input
Figure 41. Clock Set Up Sequence (4)
<Example>
(1) After Power Up: PDN pin “L”
“H”
“L” time of 150ns or more is needed to reset the AK4646.
(2) DIF1-0 and FS1-0 bits should be set during this period.
(3) Power Up VCOM: PMVCM bit = “0”
“1”
VCOM should first be powered up before the other block operates.
(4) Normal operation starts after the MCKI, LRCK and BICK are supplied.
相關(guān)PDF資料
PDF描述
AK4646 Stereo CODEC with MIC/SPK-AMP
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