AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 76
![no-image](/images/no-image-200.jpg)
AK4646EN
Manufacturer Part Number
AK4646EN
Description
Stereo CODEC with MIC/SPK-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4646EN.pdf
(79 pages)
Available stocks
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Part Number
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Quantity
Price
Part Number:
AK4646EN-L
Manufacturer:
AKM
Quantity:
20 000
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Power supply current can be shut down (typ. 1 μ A) by stopping clocks and setting PMVCM bit = “0” after all blocks
except for VCOM are powered-down. Power supply current can be also shut down (typ. 1 μ A) by stopping clocks and
setting PDN pin = “L”. When PDN pin = “L”, the registers are initialized.
MS0557-E-02
External LRCK
External MCKI
External MCKI
External BICK
3. PLL Slave (MCKI pin)
4. EXT Slave Mode
(Addr:01H, D0)
(Addr:01H, D1)
<Example>
<Example>
Power down
PMPLL bit
MCKO bit
(1) Power down PLL: PMPLL bit = “1” → “0”
(2) Stop the external master clock.
(1) Stop the external MCKI, BICK and LRCK clocks.
Stop MCKO output: MCKO bit = “1” → “0”
Input
Input
Input
Input
(1)
(1)
(1)
(1)
(2)
(1)
Figure 48. Clock Stopping Sequence (3)
Figure 49. Clock Stopping Sequence (4)
- 76 -
Example
Example
Input MCKI frequency:1024fs
Audio I/F Format: MSB justified (ADC & DAC)
PLL Reference clock: MCKI
BICK frequency: 64fs
Audio I/F Format :MSB justified(ADC & DAC)
(2) Stop the external clocks
(1) Stop the external clocks
(1) Addr:01H, Data:00H
[AK4646]
2007/05
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