ak4647vq AKM Semiconductor, Inc., ak4647vq Datasheet - Page 65
ak4647vq
Manufacturer Part Number
ak4647vq
Description
Stereo Codec With Mic/hp-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4647VQ.pdf
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ASAHI KASEI
MS0566-E-00
Power Supply
(Addr:00H, D6)
PMVCM bit
4. EXT Slave Mode
<Example>
LRCK pin
BICK pin
MCKI pin
PDN pin
(1) After Power Up: PDN pin “L” Æ “H”
(2) DIF1-0 and FS1-0 bits should be set during this period.
(3) Power Up VCOM: PMVCM bit = “0” Æ “1”
(4) Normal operation starts after the MCKI, LRCK and BICK are supplied.
“L” time of 150ns or more is needed to reset the AK4647.
VCOM should first be powered up before the other block operates.
(1)
(2)
(3)
(4)
(4)
Figure 50. Clock Set Up Sequence (4)
Input
Input
- 65 -
(1) Power Supply & PDN pin = “L” Æ “H”
Example:
Input MCKI frequency: 256fs
Sampling Frequency: 44.1kHz
MCKO: Disable
Audio I/F Format: MSB justified (ADC and DAC)
MCKI, BICK and LRCK input
(2) Addr:04H, Data:02H
(3) Addr:00H, Data:40H
Addr:05H, Data:00H
[AK4647]
2006/11
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