|
MB85RC128A Datasheet, PDF (8/32 Pages) Fujitsu Component Limited. – 128 K (16 K × 8) ビットI2C | |||
|
◁ |
MB85RC128A
ã»Current Address Read
ååã®æ¸è¾¼ã¿ã¾ãã¯èªåºãåä½ãã¹ãããã»ã³ã³ãã£ã·ã§ã³ã¾ã§æ£å¸¸çµäºããå ´å , ãã®æå¾ã«ã¢ã¯ã»ã¹ããã¢ãã¬ã¹
ã n ã¨ãã㨠, ãã®ã¾ã¾é»æº OFF ããã«ä¸è¨ã³ãã³ããéä¿¡ãããã¨ã§ , n+1 ã¢ãã¬ã¹ãèªã¿åºãã¾ããååã¢ãã¬ã¹ã
æçµã¢ãã¬ã¹ã®å ´å㯠, å
é ã¡ã¢ãªã¢ãã¬ã¹ (0000H) ã«ãã¼ã«ãªã¼ããã¦èªã¿åºãã¾ããé»æºç«ã¡ä¸ãç´å¾ã® Current
Address ( ã¡ã¢ãªã¢ãã¬ã¹ãããã¡ã示ãã¢ãã¬ã¹ ) ã¯ä¸å®ã§ãã
ãã¹ã¿ããã®ã¢ã¯ã»ã¹
ã¢ãã¬ã¹ n+1
S 1 0 1 0 A2 A1 A0 1 A
Read
Data 8bits
NP
ã¹ã¬ã¼ãããã®ã¢ã¯ã»ã¹
S ã¹ã¿ã¼ãã»ã³ã³ãã£ã·ã§ã³
P ã¹ãããã»ã³ã³ãã£ã·ã§ã³
A ACK (SDA ã âLâ ã¬ãã« )
N NACK (SDA ã âHâ ã¬ãã« )
ã»Random Read
æ¸è¾¼ã¿ã¨åæ§ã«ã¢ãã¬ã¹æå®ããå¾ , å度ã¹ã¿ã¼ãã»ã³ã³ãã£ã·ã§ã³ãçºè¡ã㦠, ããã¤ã¹ã»ã¢ãã¬ã¹ã»ã¯ã¼ã (R/W â1â
å
¥å ) ãéä¿¡ãããã¨ã«ãã£ã¦ , ã¡ã¢ãªã¢ãã¬ã¹ãããã¡ã«ä¿åããã¦ããã¡ã¢ãªã¢ãã¬ã¹çªå°ãã , 1 ãã¤ãã®ãã¼ã¿
ã , SCL ã«åæãã¦èªã¿åºãã¾ãã
æå¾ã® NACK (SDA ã âHâ ã¬ãã« ) 㯠, ãã¼ã¿ãåä¿¡ããã¬ã·ã¼ãããçºè¡ãã¾ãããã®å ´åã¯ãã¹ã¿å´ããã®çºè¡ã§ãã
S 1 0 1 0 A2 A1 A0 0 A
Address
High 8bits
A
Address
Low 8bits
A S 1 0 1 0 A2 A1 A0 1 A
Read
Data 8bits
NP
ãã¹ã¿ããã®ã¢ã¯ã»ã¹
ã¹ã¬ã¼ãããã®ã¢ã¯ã»ã¹
S ã¹ã¿ã¼ãã»ã³ã³ãã£ã·ã§ã³
P ã¹ãããã»ã³ã³ãã£ã·ã§ã³
A ACK (SDA ã âLâ ã¬ãã« )
N NACK (SDA ã âHâ ã¬ãã« )
8
DS501-00018-2v0-J
|
▷ |