ak5702 AKM Semiconductor, Inc., ak5702 Datasheet - Page 72
ak5702
Manufacturer Part Number
ak5702
Description
4-channel Adc With Pll & Mic-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK5702.pdf
(76 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AK5702
Manufacturer:
AKM
Quantity:
20 000
Part Number:
ak5702VN-L
Manufacturer:
AKM
Quantity:
20 000
■
Master clock can be stopped when ADC is not used.
MS0623-E-00
External MCKI
1. PLL Master Mode
2. PLL Slave Mode (LRCK, BCLK pin)
(Addr:01H, D0)
(Addr:01H, D1)
(Addr:06H, D2)
(Addr:01H, D0)
Stop of Clock
<Example>
<Example>
PMPLL bit
PMPLL bit
MCKO bit
M/S bit
LRCK
BCLK
(1) Power down PLL: PMPLL=M/S bits = “1” → “0”
(2) Stop MCKO clock: MCKO bit = “1” → “0”
(3) Stop an external master clock.
(1) Power down PLL: PMPLL bit = “1” → “0”
(2) Stop the external BCLK and LRCK clocks
"H" or "L"
Input
Input
Input
(1)
(1)
(2)
(3)
(2)
(2)
Figure 65. Clock Stopping Sequence (1)
Figure 66. Clock Stopping Sequence (2)
- 72 -
Example:
Example
BCLK frequency at Master Mode: 64fs
Input Master Clock Select at PLL Mode: 11.2896MHz
Audio I/F Format : I2S
PLL Reference clock: BCLK
BCLK frequency: 64fs
Audio I/F Format: I2S
Sampling Frequency: 44.1kHz
Sampling Frequency: 44.1kHz
(1) Addr:01H, Data:10H
(2) Addr:06H, Data:00H
(3) Stop an external MCKI
(2) Stop the external clocks
(1) Addr:01H, Data:0CH
[AK5702]
2007/06