AK5701 Datasheet, PDF (53/62 Pages) Asahi Kasei Microsystems – PLL & MIC-AMP 16-Bit Stereo ADC

ASAHI KASEI
[AK5701]
4. ֎෦ΫϩοΫϞʔυͰ࢖༻͢Δ৔߹(εϨʔϒϞʔυ)
Power Supply
PDN pin
PMVCM bit
(Addr:10H, D2)
MCKI pin
EXLRCK pin
EXBCLK pin
(1)
(2) (3)
(4)
Input
(4)
Input
Example:
Audio I/F Format: I2S
Input MCKI frequency: 256fs
Sampling Frequency: 44.1kHz
MCKO: Disable
(1) Power Supply & PDN pin = “L” Æ “H”
(2) Addr:11H, Data:00H
Addr:14H, Data:23H
Addr:15H, Data:2FH
(3) Addr:10H, Data:04H
MCKI, EXBCLK and EXLRCK input
Figure 48. Clock Set Up Sequence (4)
<खॱྫ>
(1) ޙ্ཱ͛ͪݯిɺPDN pin “L” Æ “H”
͜ͷ۠ؒ͸AK5701ͷϦηοτͷͨΊɺ150nsҎ্ͷ “L”͕۠ؒඞཁͰ͢ɻ
(2) ͜ͷ۠ؒʹɺDIF1-0, FS1-0 bitsͷઃఆΛߦͬͯԼ͍͞ɻ
(3) VCOMͷύϫʔΞοϓɿ PMVCM bit = “0” Æ “1”
֤ϒϩοΫΛ্ཱͪ͛Δલʹ࠷ॳʹVCOMΛ্ཱͪ͛ͯԼ͍͞ɻ
(4) MCKI, EXLRCK, EXBCLKΫϩοΫೖྗޙɺਖ਼ৗͳಈ࡞͕։࢝͠·͢ɻ
MS0404-J-00
- 53 -
2005/08