AK4343VN Datasheet, PDF (88/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
5. ֎෦ΫϩοΫϞʔυͰ࢖༻͢Δ৔߹(ϚελϞʔυ)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
MCKI pin
M/S bit
(Addr:01H, D3)
LRCK pin
BICK pin
(1)
(4)
(2)
(3)
Input
Output
Example:
Audio I/F Format: MSB justified
Input MCKI frequency: 256fs
Sampling Frequency: 44.1kHz
MCKO: Disable
(1) Power Supply & PDN pin = “L” Æ “H”
(2) MCKI input
(3) Addr:04H, Data:02H
Addr:05H, Data:00H
Addr:01H, Data:08H
BICK and LRCK output
(4) Addr:00H, Data:40H
Figure 78. Clock Set Up Sequence (5)
<खॱྫ>
(1) ޙ্ཱ͛ͪݯిɺPDN pin “L” Æ “H”
͜ͷ۠ؒ͸AK4343ͷϦηοτͷͨΊɺ150nsҎ্ͷ “L”͕۠ؒඞཁͰ͢ɻ
(2) MCKIΛೖྗͯ͠Լ͍͞ɻ
(3) DIF1-0, FS1-0 bitsͷઃఆޙɺM/S bitΛ “1”ʹઃఆͯ͠Լ͍͞ɻLRCK͓ΑͼBICK͕ग़ྗ͞Ε·͢ɻ
(4) VCOMͷύϫʔΞοϓɿ PMVCM bit = “0” Æ “1”
֤ϒϩοΫΛ্ཱͪ͛Δલʹ࠷ॳʹVCOMΛ্ཱͪ͛ͯԼ͍͞ɻ
MS0478-J-02
- 88 -
2010/11