ak4645 ETC-unknow, ak4645 Datasheet - Page 89
ak4645
Manufacturer Part Number
ak4645
Description
Stereo Codec With Mic/hp-amp
Manufacturer
ETC-unknow
Datasheet
1.AK4645.pdf
(96 pages)
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ASAHI KASEI
MS0543-E-00
Power Supply
(Addr:00H, D6)
PMVCM bit
(Addr:01H, D3)
5. EXT Master Mode
<Example>
LRCK pin
BICK pin
MCKI pin
PDN pin
M/S bit
(1) After Power Up: PDN pin “L”
(2) MCKI should be input.
(3) After DIF1-0 and FS1-0 bits are set, M/S bit should be set to “1”. Then LRCK and BICK are output.
(4) Power Up VCOM: PMVCM bit = “0”
“L” time of 150ns or more is needed to reset the AK4645.
VCOM should first be powered up before the other block operates.
(1)
(2)
(3)
(4)
Figure 79. Clock Set Up Sequence (5)
“H”
Output
Input
“1”
- 89 -
(1) Power Supply & PDN pin = “L”
Example:
Input MCKI frequency: 256fs
Sampling Frequency: 44.1kHz
MCKO: Disable
Audio I/F Format: MSB justified (ADC and DAC)
(3) Addr:04H, Data:02H
BICK and LRCK output
(4) Addr:00H, Data:40H
Addr:05H, Data:00H
Addr:01H, Data:08H
(2) MCKI input
“H”
[AK4645]
2006/09