|
MB85RC128A Datasheet, PDF (5/32 Pages) Fujitsu Component Limited. – 128 K (16 K × 8) ビットI2C | |||
|
◁ |
MB85RC128A
â ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ã (Slave address)
ã¹ã¿ã¼ãã»ã³ã³ãã£ã·ã§ã³ã«ç¶ã㦠, 8 ãããã®ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ããå
¥åãã¾ãããã®å
¥å㧠, ããã¤ã¹ã¯èªåº
ãã¾ãã¯æ¸è¾¼ã¿åä½ã®ããããã決å®ãã¾ããããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ã (8 ããã ) 㯠, ããã¤ã¹ã»ã³ã¼ã (4 ããã ), ã
ãã¤ã¹ã»ã¢ãã¬ã¹ã³ã¼ã (3 ããã ), Read / Write ã³ã¼ã (1 ããã ) ã® 3 ã³ã¼ãã§æ§æããã¾ãã
ã»ããã¤ã¹ã»ã³ã¼ã (4 ããã )
ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ãã®ä¸ä½ 4 ãããã¯ããã¤ã¹ã»ã¿ã¤ããèå¥ããããã¤ã¹ã»ã³ã¼ã㧠, æ¬è£½åã§ã¯ â1010â ã§åºå®
ã§ãã
ã»ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã³ã¼ã (3 ããã )
ããã¤ã¹ã»ã³ã¼ãã«ç¶ãã¦ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã³ã¼ã (3 ããã ) ã A2, A1, A0 端å ã®é ã«å
¥åãã¾ããããã¤ã¹ã»ã¢ãã¬
ã¹ã»ã³ã¼ã㯠, ãã¹ã«æ大 8 åæ¥ç¶ãããããã¤ã¹ã®ãã¡ , ã©ããé¸æãããã決å®ãã¾ããããã¤ã¹ã¢ãã¬ã¹ç«¯åã«ã¯ , 3
ãããã®ã¦ãã¼ã¯ãªå¤ãå²ãæ¯ãã¾ããããã¤ã¹ã¢ãã¬ã¹ç«¯åã«å²ãæ¯ããããã®å¤ã¨ , å
¥åãããããã¤ã¹ã»ã¢ãã¬ã¹ã»
ã³ã¼ãã¨ãä¸è´ããããã¤ã¹ãé¸æããã¾ãã
ã»Read/Write ã³ã¼ã (1 ããã )
ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ãã® 8 ãããç®ã¯ , R/W (Read/Write) ã³ã¼ãã§ããâ0â å
¥åã®å ´åã¯æ¸è¾¼ã¿ åä½ , â1â å
¥åã®å ´å
ã¯èªåºãåä½ã§ãããªã , ããã¤ã¹ã»ã³ã¼ãã â1010â ã§ãªãå ´å , ãããã¯ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã³ã¼ããä¸è´ããªãå ´å㯠,
èªåºã / æ¸è¾¼ã¿åä½ã«å
¥ããã¹ã¿ã³ãã¤ç¶æ
ã®ã¾ã¾ã§ãã
ã»ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ã
Start 1 2 3 4 5 6 7 8 9 1 2
SCL
..
SDA
ACK
S 1 0 1 0 A2 A1 A0 R/W A
..
ããã¤ã¹ã»ã³ã¼ã
ããã¤ã¹ã»ã¢ãã¬ã¹ã» Read/Write ã³ã¼ã
ã³ã¼ã
ãã¹ã¿ããã®ã¢ã¯ã»ã¹
ã¹ã¬ã¼ãããã®ã¢ã¯ã»ã¹
S ã¹ã¿ã¼ãã»ã³ã³ãã£ã·ã§ã³
A ACK (SDA ã âLâ ã¬ãã« )
DS501-00018-2v0-J
5
|
▷ |