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AK4642VN Datasheet, PDF (57/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP | |||
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ASAHI KASEI
[AK4642]
 à§à¡àªà»
Addr
00H
Register Name
Power Management 1
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
PMVCM PMBP PMSPK PMLO PMDAC
0
PMADL
0
0
0
0
0
0
0
0
PMADL: MIC-Amp Lch, ADC LchÍ·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
PMADLÎͨ͸PMADR bitÎ â0âÍÎ â1âʹมßÍ¢ÎͱɺॳظԽαΠΫϧ(1059/fs=24ms@44.1kHz)Í
Öà¢ÍÎÎ͢ɻॳظԽαΠΫϧऴà¾ÞɺADC͸ÏÊλÎà¥à¾Í Î͢ɻ
PMDAC: DACÍ·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
PMLO: εÏϨΦϥΠϯà¥à¾Í·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
PMSPK: εÏÊΧÎϯÏÍ·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
PMBP: ÏÊÏà³à¾Í·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
PMDAC bit = â1âÍ°à ¶à©ÏεÎà¢à¼»à£Í¸PMBP bit = â1âÍ±Í Í¯Ô¼ÍÍɻͦͷà§Í°BEEP pinÍÎεÏϨ
ΦϥΠϯà¥à¾ÉºÏοÏ
ÏΥϯÍÎͼεÏÊΧÎͷͦÎͧÎÍ·Ïεàªà°ÎBEEPL, BEEPH, BEEPS bit
ʹͯͦÎͧÎߦͬͯԼÍÍÉ»
PMVCM: VCOMÍ·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (Default)
1: Power up
Ö¤ÏϩοΫÎà²à¡ÍͤÎà§ß¹Í¸Éºà¶Í£PMVCM bitÎâ1âÍ´Í Í³ÍÎ͹ͳÎÎͤÎÉ»PMVCM bitʹର
Í Í¯â0âÎॻÍà ÎÍͱÍÍ°ÍÎͷ͸ɺÎÏ
Ϩε00H, 01H, 02H, 10HͷશͯͷÏÏ«ÊÏÏδÏϯÏÏ
οÏͱMCKO bitÎâ0âÍ´Í¢Îà£Í©ÍͰ͢ɻ
ÍÍ·ÎÏ
ϨεͷÏοÏÎON/OFF (â1â/â0â)Í¢ÎÍͱͰ෦෼తʹÏÏ«Êμ΢ϯ͢ÎÍͱÍÍ°ÍÎ͢ɻÎͨɺ
PDN pinÎâLâÍ´Í¢ÎÍͱͰɺϨδελͷ಺༰ʹØÜͳÍɺશճà¿ÎÒ°à±Í´ÏÏ«Êμ΢ϯ͢ÎÍͱÍÍ°ÍÎ
͢ɻÍͷͱÍϨδελà®Í¸à¥³Ø¸Ô½ÍÎÎ͢ɻ
ÎͨɺÎÏ
Ϩε00H, 01H, 02H, 10HͷશͯͷÏÏ«ÊÏÏδÏϯÏÏοÏͱMCKO bitÎâ0âÍ´Í¢ÎÍͱͰɺશ
Õ³à¿ÎÒ°à±Í´ÏÏ«Êμ΢ϯ͢ÎÍͱÍÍ°ÍÎ͢ɻÍͷͱÍϨδελͷ಺༰͸à¸à£ÍÎͯÍÎ͢ɻ
ADCͱDACÎà¢à¼»Í ͳÍà§ß¹ÉºÎ«Ï©Î¿Î«ÎÍ¢Ú
ÚÎà¶à½Í¸ÍÎÎͤÎÉ»ADCÎͨ͸DACͷͲÎÍÒ°ÍÍ°
Îà¢à¼»Í¢Îà§ß¹Í¸Î«Ï©Î¿Î«ÎÍ¯Í Ú
ÚÔ¼ÍÍÉ»
MS0358-J-02
- 57 -
2005/04
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