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AK2301BX Datasheet, PDF (18/23 Pages) Asahi Kasei Microsystems – 3.3V Linear PCM CODEC LSI with PLL & Voltage Detector | |||
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ASAHI KASEI
â PLL
MCLKï¼å¨æ³¢æ°ï¼26.0MHzï¼ããå
¥åãããã¯ããã¯ãä¸è¨ã®è¡¨ã«å¾ã£ã¦ã
1) Codecã¸ã®ã¯ããã¯åºå
2) PLLOUTããã®å¤é¨ã¸ã®ã¯ããã¯åºå
ãè¡ãã¾ãã
[AK2301BX]
ã¢ã¼ãå
PCM
PCM
Audio
Audio
PCMN
0
0
1
1
PLLSEL
0
1
0
1
PLLå
é¨çºæ¯ Codecã¸ã®
å¨æ³¢æ°(MHz) åºåï¼=1/3ï¼
12.288
12.288
11.29
12.288
4.096MHz
4.096MHz
3.7632MHz
4.096MHz
PLLOUT
åºåå¨æ³¢æ°
ï¼fsï¼
32
64
256
256
Fs
8.00kHz
8.00kHz
44.1kHz
48.0kHz
â SLEEP / PCMN / MUTEN端åè¨å®ã¨åºåç¶æ
SLEEP PCMN MUTEN
1
ï¼
ï¼
0
1
ï¼
0
0
1
0
0
0
VR/GSR
Analog
Ground
Analog
Ground
é常åºå
Analog
Ground
DX
L
L
é常åºå
L
SDTO
L
é常åºå
L
L
TAGND/GST
Hi-Z
é常åºå
é常åºå
é常åºå
PLLOUT
H
11.29MHz/12.288Mz
256KHz/512KHz
256KHz/512KHz
[DX端å]
SLEEP=0,PCMN=0ã®æãDATAåºåä¸ã«MUTENã1ãã0ã«å¤åããå ´åã¯ã次ã®FSã¾ã§å¾
ã£ã¦MUTEç¶æ
ã«(DX=L)ã«ç§»è¡ãã¾ãã
SLEEPã0ãã1ã«å¤åããå ´åãPCMNã0ãã1ã«å¤åããæã¯ãç´ã¡ã«MUTEç¶æ
(DX=L)ã¨ãªãã¾ãã
[SDTO端å]
SLEEPã0ãã1ã«å¤åããå ´åãPCMNã0ãã1ã«å¤åããå ´åãç´ã¡ã«MUTEç¶æ
(SDTO=L)ã¨ãªãã¾ãã
[VR端å]
SLEEPã0ãã1ã«å¤åããå ´åãPCMNã0ãã1ã«å¤åããå ´åãMUTENã1ãã0ã«å¤åããå ´åã¯ãç´
ã¡ã«DACãã¸ã¿ã«ãã£ã«ã¿ã«0ã³ã¼ããå
¥åãããã¥ã¼ãç¶æ
(VR=Analog Ground)ã«ç§»è¡ãã¾ãã
<MS0599-J-00>
18
2007/2
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