ak4632 AKM Semiconductor, Inc., ak4632 Datasheet - Page 60
ak4632
Manufacturer Part Number
ak4632
Description
16-bit ?? Mono Codec With Alc & Mic/spk/video-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4632.pdf
(70 pages)
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ASAHI KASEI
MS0396-E-00
Power Supply
(Addr:00H, D6)
(Addr:01H, D2)
(Addr:01H, D0)
PMVCM bit
MCKPD bit
PMPLL bit
4. EXT Slave Mode
<Example>
BICK pin
MCKI pin
FCK pin
PDN pin
(1) After Power Up: PDN pin “L” → “H”
(2) DIF1-0 and FS1-0 bits should be set during this period.
(3) Power Up VCOM: PMVCM bit = “0” → “1”
(4) Release the pull-down resistor of the MCKI pin: MCKPD bit = “1” → “0”
(5) Normal operation starts after the MCKI, FCK and BICK are supplied.
“L” time (1) of 150ns or more is needed to reset the AK4632.
VCOM should first be powered up before the other block operates.
Power down PLL: PMPLL bit = “0”
(1)
(2)
(3)
(4)
"L"
(5)
(5)
Figure 49. Clock Set Up Sequence (4)
Input
Input
- 60 -
(1) Power Supply & PDN pin = “L”
Example
Input MCKI frequency: 1024fs
Sampling Frequency:8kHz
Audio I/F Format:MSB justified (ADC and DAC)
MCKO: Disable
MCKI, BICK and FCK input
(2) Addr:04H, Data:02H
(4) Addr:01H, Data:00H
(3) Addr:00H, Data:40H
Addr:05H, Data:01H
“H”
[AK4632]
2005/06
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