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AK4645AEZ Datasheet, PDF (64/85 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP | |||
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[AK4645A]
â à§à¡àªà»
Addr
00H
Register Name
Power Management 1
Default
D7
D6
D5
D4
0
PMVCM PMMIN
0
0
0
0
0
D3
D2
D1
D0
PMLO PMDAC
0
PMADL
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
PMMIN: ÏÏϥϧà³à¾Í·ÏÏ«ÊÏÏδÏϯÏ
0: Power down (default)
1: Power up
à ¶à©ÏεÎà¢à¼»à£Í¸PMMIN or PMAINL3 bit = â1âÍ±Í Í¯Ô¼ÍÍÉ»
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, 10H, 20HͷશͯͷÏÏ«ÊÏÏδÏ
ϯÏÏοÏÎâ0âÍ´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, 10H, 20HͷશͯͷÏÏ«ÊÏÏδÏϯÏÏοÏÎâ0âÍ´Í¢ÎÍͱͰɺશճà¿Î
Ò°à±Í´ÏÏ«Êμ΢ϯ͢ÎÍͱÍÍ°ÍÎ͢ɻÍͷͱÍϨδελͷ಺༰͸à¸à£ÍÎͯÍÎ͢ɻফà¶
ిྲྀ͸
20μA(typ)ͳͷͰɺ׬શʹγÏοÏμ΢ϯ(typ. 1μA)Í¢Îʹ͸PDN pin = âLâÍ±Í Í¯Ô¼ÍÍÉ»
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»
MS0986-J-00
- 64 -
2008/07
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