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MB85RS1MT Datasheet, PDF (7/36 Pages) Fujitsu Component Limited. – 1M (128 K × 8) ビットSPI | |||
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MB85RS1MT
ã»RDSR
RDSR ã³ãã³ãã¯ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®ãã¼ã¿ãèªã¿åºãã¾ããSI ã« RDSR ã®ãªãã³ã¼ããå
¥åå¾ , SCK ã« 8 ãµã¤ã¯ã«
ã®ã¯ããã¯ãå
¥åãã¾ãããã®ã¨ã , SI ã®å¤ã¯ç¡å¹ã§ããSO 㯠SCK ã®ç«ä¸ãã¨ãã¸ã«åæãã¦åºåããã¾ããRDSR ã³ã
ã³ãã§ã¯ CS ã®ç«ä¸ãåã« SCK ãéãç¶ãããã¨ã§ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ãç¹°ãè¿ãèªã¿åºããã¨ãå¯è½ã§ããRDSR ã³ã
ã³ã㯠, 25 MHz (1.8 V ï½ 2.7 V) ããã³ 30 MHz (2.7 V ï½ 3.6 V) ã¾ã§ã®åä½ã«å¯¾å¿ãã¦ãã¾ãã
CS
SCK
SI
SO
0 1 2 3 4 5 6 70 1 2 3 4 5 6 7
00000101
High-Z
MSB
Invalid
Data Out
Invalid
LSB
ã»WRSR
WRSR ã³ãã³ãã¯ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®ä¸æ®çºæ§ã¡ã¢ãªãããã«ãã¼ã¿ãæ¸ãè¾¼ã¿ã¾ããSI 端åã« WRSR ã®ãªãã³ã¼ã
ã®å¾ , 8 ãããã®æ¸è¾¼ã¿ãã¼ã¿ãå
¥åãã¾ããWEL ( ã©ã¤ãã¤ãã¼ãã«ã©ãã ) 㯠WRSR ã³ãã³ãã§ã¯æ¸è¾¼ã¿ã§ãã¾ããã
ããã 1 ã«å¯¾å¿ãã SI ã®å¤ã¯ç¡è¦ããã¾ããã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®ããã 0 㯠â0â åºå®ã§ããæ¸è¾¼ã¿ã§ãã¾ãããããã 0
ã«å¯¾å¿ãã SI ã®å¤ã¯ç¡è¦ããã¾ããWP 端å㯠, WRSR ã³ãã³ãã®çºè¡åã¾ã§ã«å¿
ãå¤ã確å®ã , ã³ãã³ãã·ã¼ã±ã³ã¹çµ
äºã¾ã§å¤æ´ããªãã§ãã ãããWRSR ã³ãã³ã㯠, 25 MHz (1.8 V ï½ 2.7 V) ããã³ 30 MHz (2.7 V ï½ 3.6 V) ã¾ã§ã®åä½ã«å¯¾
å¿ãã¦ãã¾ãã
CS
SCK
SI
SO
012345670 1 2 3 4 5 6 7
Instruction
Data In
0000000176543210
MSB
LSB
High-Z
DS501-00022-2v0-J
7
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