AK4343VN Datasheet, PDF (90/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
■ εϐʔΧ͔ΒͷMono৴߸ग़ྗ
CLOCK
PMMIN bit
(Addr:00H, D5)
PMSPK bit
(Addr:00H, D4)
DACS bit
(Addr:02H, D5)
MINS bit
(Addr:02H, D6)
SPPSN bit
(Addr:02H, D7)
SPP pin
SPN pin
Clocks can be stopped.
Example:
(1) Addr:00H, Data:70H
(1)
(5)
(2) Addr:02H, Data:60H
1
0
(2)
(6)
(3)
(4)
Hi-Z
Normal Output
Hi-Z
(3) Addr:02H, Data:E0H
Mono Signal Output
(4) Addr:02H, Data:60H
(5) Addr:00H, Data:40H
Hi-Z
HVDD/2 Normal Output HVDD/2 Hi-Z
(6) Addr:02H, Data:00H
Figure 80. “MIN-Amp Æ Speaker-Amp” Output Sequence
<खॱྫ>
“MIN-Amp Æ SPK-Amp”ͷΈͷಈ࡞Ͱ͸ɺΫϩοΫ͸͞څڙΕ͍ͯΔඞཁ͸͋Γ·ͤΜɻ
(1) MIN-AmpͼٴεϐʔΧͷύϫʔΞοϓ: PMMIN = PMSPK bits = “0” → “1”
(2) DAC Æ SPK-AmpͷύεͷDisable: DACS bit = “0”
MIN Æ SPK-AmpͷύεͷEnable: MINS bit = “0” → “1”
(3) εϐʔΧͷύϫʔηʔϒϞʔυͷղআ: SPPSN bit = “0” → “1”
(4) εϐʔΧͷύϫʔηʔϒϞʔυ΁Ҡߦ: SPPSN bit = “1” → “0”
(5) MIN-AmpͼٴεϐʔΧͷύϫʔμ΢ϯ: PMMIN = PMSPK bits = “1” → “0”
(6) MIN Æ SPK-AmpͷύεͷDisable: MINS bit = “1” → “0”
MS0478-J-02
- 90 -
2010/11