AK4343VN Datasheet, PDF (69/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
■ ৄࡉઆ໌
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
00H Power Management 1
0
PMVCM PMMIN PMSPK PMLO PMDAC
0
0
Default
0
0
0
0
0
0
0
0
PMDAC: DACͷύϫʔϚωδϝϯτ
0: Power down (default)
1: Power up
PMLO: εςϨΦϥΠϯग़ྗͷύϫʔϚωδϝϯτ
0: Power down (default)
1: Power up
PMSPK: εϐʔΧΞϯϓͷύϫʔϚωδϝϯτ
0: Power down (default)
1: Power up
PMMIN: ϞϊϥϧೖྗͷύϫʔϚωδϝϯτ
0: Power down (default)
1: Power up
࠶ੜύεΛ࢖༻࣌͸PMMIN or PMAINL3 bit = “1”ͱͯ͠Լ͍͞ɻ
PMVCM: VCOMͷύϫʔϚωδϝϯτ
0: Power down (default)
1: Power up
֤ϒϩοΫΛಈ࡞ͤ͞Δ৔߹͸ɺඞͣPMVCM bitΛ“1”ʹ͠ͳ͚Ε͹ͳΓ·ͤΜɻPMVCM bitʹର
ͯ͠“0”Λॻ͖ࠐΉ͜ͱ͕Ͱ͖Δͷ͸ɺΞυϨε00H, 01H, 02H, 10H, 20HͷશͯͷύϫʔϚωδϝ
ϯτϏοτͱMCKO bitΛ“0”ʹ͢Δ͚࣌ͩͰ͢ɻ
͜ͷΞυϨεͷϏοτΛON/OFF (“1”/“0”)͢Δ͜ͱͰ෦෼తʹύϫʔμ΢ϯ͢Δ͜ͱ͕Ͱ͖·͢ɻ·ͨɺ
PDN pinΛ“L”ʹ͢Δ͜ͱͰɺϨδελͷ಺༰ʹؔ܎ͳ͘ɺશճ࿏ΛҰ౓ʹύϫʔμ΢ϯ͢Δ͜ͱ͕Ͱ͖·
͢ɻ͜ͷͱ͖Ϩδελ஋͸ॳظԽ͞Ε·͢ɻ
·ͨɺΞυϨε00H, 01H, 02H, 20HͷશͯͷύϫʔϚωδϝϯτϏοτͱMCKO bitΛ“0”ʹ͢Δ͜ͱͰɺશ
ճ࿏ΛҰ౓ʹύϫʔμ΢ϯ͢Δ͜ͱ͕Ͱ͖·͢ɻ͜ͷͱ͖Ϩδελͷ಺༰͸อ࣋͞Ε͍ͯ·͢ɻ
DACΛ࢖༻͠ͳ͍৔߹ɺΫϩοΫΛ͢څڙΔඞཁ͸͋Γ·ͤΜɻDACΛ࢖༻͢Δ৔߹͸ΫϩοΫΛڅڙ
ͯ͠Լ͍͞ɻ
MS0478-J-02
- 69 -
2010/11