|
AK2301 Datasheet, PDF (14/18 Pages) Asahi Kasei Microsystems – 3.3V シングルチャネルPCMコーデック LSI | |||
|
◁ |
ASAHI KASEI
[AK2301]
âFS ï¼Frame Syncï¼ãã¬ã¼ã åæä¿¡å·ï¼
8kHzã®åºæºå
¥åä¿¡å·ã§ãã1ãã¬ã¼ã (125us)æ¯ã«8ãããã®PCMãã¼ã¿ãå
¥åºåããã¾ããBCLKã¨åæã
ã¦ãããã¨ãå¿
è¦ã§ãã
ï¼æ³¨æäºé
ï¼éè¦ï¼
FSãåæ¢ããéã¯ãBCLK=Lã¨ãã¦AK2301ããã¯ã¼ãã¦ã³ç¶æ
ã«ãã¦ä¸ããã
âBCLK ï¼Bit Clockï¼
PCMãã¼ã¿ã¬ã¼ããå®ãã¾ããBCLKã¯64*Nï¼N=1ï½32ï¼kHzã§é¸æå¯è½ã§ãã
LongFrame
FS
BCLK
DX
1 2 3 4 5 6 78
DR
Donât
care
1
2
3
4
5
6
7
8
Donât care
ShortFrame
FS
BCLK
DX
1 2 3 4 5 6 78
DR
Donât
care
12345678
Donât care
<MS0416-J-02>
14
2013/05
|
▷ |