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AK2306LVM Datasheet, PDF (20/36 Pages) Asahi Kasei Microsystems – ISDN/VoIPターミナルアダプタ用 2チャンネル PCMコーデック LSI | |||
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ASAHI KASEI
âãã¼ã¿èªã¿åºãã¿ã¤ãã³ã°
[AK2306/LV]
é£ç¶SCLK使ç¨æ
CSN
é£ç¶ãã16bitã®DATAã¨ï¼³ï¼£ï¼¬ï¼«ã§ã¢ã¯ã»ã¹ããæ¹æ³ã§ã
å¿
ãä¸åº¦ç«ã¡ä¸ãã
SCLK16 ãã«ã¹ä»¥éãªãã
ã©ãã§ç«ã¡ä¸ãã¦ããã
SCLK
123456789
16
1234
89
15 16
DATA Z
1 1 1 0 A2 A1 A0 Z D7
D0
èªã¿åºã
å½ä»¤
ã¢ãã¬ã¹
èªã¿åºããã¼ã¿
SCLK 8 ãã«ã¹ç®ã®ç«ã¡ä¸ããããèªã¿åºãéå§
Z
1110
D7
D1 D0
Z
èªã¿åºã
å½ä»¤
èªã¿åºããã¼ã¿
ãã¼ã¿èªã¿åºãæé
次ã®ãã¡ãã©ã¡ããæ©ãã¨ãã¸ã¾ã§
CSN ã®ç«ã¡ä¸ãã or SCLK 16 ãã«ã¹ç®ã®ç«ã¡ä¸ãã
SCLKä¸æåæ¢æ DATAã¨ï¼³ï¼£ï¼¬ï¼«ãä½åãã«åãã¦èªã¿åºãæ¹æ³ã§ã
SCLKãä¸åº¦âHâã¾ãã¯âLâã§åæ¢ãã¦ããå度SCLKã®å
¥åãéå§ããã°ãå
ã®ãã¼ã¿ã«ç¶ãã¦èªã¿åºã
ãè¡ããã¨ãã§ãã¾ããSCLKãåæ¢ããä½ç½®ã¯ä»»æã§ãã
CSN
å¿
ãä¸åº¦ç«ã¡ä¸ãã
SCLK16 ãã«ã¹ä»¥éãªãã
ã©ãã§ç«ã¡ä¸ãã¦ããã
SCLK
12345678
9
16
DATA Z 1 1 1 0 A2 A1 A0 Z
D7
D0
Z
èªã¿åºã
å½ä»¤
ã¢ãã¬ã¹
ã¢ãã¬ã¹â000âãã
ã®èªã¿åºããã¼ã¿
SCLK 8 ãã«ã¹ç®ã®ç«ã¡ä¸ããããèªã¿åºãéå§
ï¼æ³¨æ é£ç¶ã¢ã¯ã»ã¹ CSNãâLâã®ã¾ã¾ç¶ãã¦ã¢ã¯ã»ã¹ããå ´åã§ã
CSN
SCLK
123456789
16
DATA Z
1 1 1 0 0 0 0 Z D7
D0
Z
èªã¿åºã
å½ä»¤
ã¢ãã¬ã¹
â000â
èªã¿åºããã¼ã¿
èªã¿åºãã¯
å®è¡ããã¾ã
1234
1110
èªã¿åºã
å½ä»¤
89
15 16
Z
èªã¿åºãã¯
å®è¡ããã¾ãã
â
注æ å¶å¾¡ã³ã¼ãã®ä¸ä¸è´
CSN
SCLK
123456789
16
DATA Z
I3 I2 I1 I0 A2 A1 A0
Z
å¶å¾¡ã³ã¼ã以å¤ã®å½ä»¤ ã¢ãã¬ã¹
0bbb
10bb
110b
(b=0 or 1)
æ¸ãè¾¼ã¿ï¼èªã¿åºã
ã¯å®è¡ããã¾ãã
Z
DATA 端åï¼å
¥åç¶æ
(Hi-Z)
MS0093-J-06
20
2012/01
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