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MB85RS1MT Datasheet, PDF (5/36 Pages) Fujitsu Component Limited. – 1M (128 K × 8) ビットSPI | |||
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MB85RS1MT
â ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿
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7
WPEN
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3
BP1
2
BP0
1
WEL
0
0
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ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã©ã¤ããããã¯ã
ä¸æ®çºæ§ã¡ã¢ãª (FRAM) ãããªããããã§ããWPEN 㯠WP å
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ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®æ¸è¾¼ã¿ããããã¯ããã¾ã (ãâ æ¸è¾¼ã¿ãããã¯ãã
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ä¸æ®çºæ§ã¡ã¢ãªãããªãããã㧠WRSR ã³ãã³ãã«ããæ¸è¾¼ã¿ãå¯è½ã§ãã
ãããã®ãããã¯ä½¿ç¨ãã¾ããã RDSR ã³ãã³ãã§èªã¿åºããã¾ãã
ãããã¯ãããã¯ã
ä¸æ®çºæ§ã¡ã¢ãªãããªããããã§ããWRITE ã³ãã³ãã«ãããæ¸è¾¼ã¿ãã
ãã¯ãã®ãããã¯ãµã¤ãºãå®ç¾©ãã¾ã (ãâ ãããã¯ãããã¯ãããåç
§ ) ã
WRSR ã³ãã³ãã«ããæ¸è¾¼ã¿ , RDSR ã³ãã³ãã«ããèªåºããå¯è½ã§ãã
ã©ã¤ãã¤ãã¼ãã«ã©ãã
FRAM ã¢ã¬ã¤ããã³ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ãæ¸è¾¼ã¿å¯è½ã§ãããã¨ã示ãã¾
ããWREN ã³ãã³ãã§ã»ãã , WRDI ã³ãã³ãã§ãªã»ãããã¾ããRDSR ã³
ãã³ãã§èªåºããå¯è½ã§ãã WRSR ã³ãã³ãã§æ¸ãè¾¼ããã¨ã¯ã§ãã¾ããã
WEL ã¯ä»¥ä¸ã®åä½ã®å¾ãªã»ããããã¾ãã
é»æºç«ä¸ãå¾
WRDI ã³ãã³ãèªèå¾
WRSR ã³ãã³ãèªèå¾ã® CS ã®ç«ã¡ä¸ãæ
WRITE ã³ãã³ãèªèå¾ã® CS ã®ç«ã¡ä¸ãæ
â0â åºå®ã§ãã
â ãªãã³ã¼ã
MB85RS1MTã¯ãªãã³ã¼ãã§æå®ããã9種ã®ã³ãã³ããåãä»ãã¾ãããªãã³ã¼ãã¯ä¸è¡¨ã«ç¤ºã8ããããããªãã³ã¼
ãã§ãããã以å¤ã®ç¡å¹ãªã³ã¼ãã¯å
¥åããªãã§ãã ããããªãã³ã¼ãå
¥åä¸ã« CS ãç«ã¡ä¸ããã¨ã³ãã³ãã¯å®è¡ããã¾
ããã
ã³ã¼ãå
æ©è½
ãªãã³ã¼ã
WREN
ã»ããã©ã¤ãã¤ãã¼ãã«ã©ãã
0000 0110B
WRDI
ãªã»ããã©ã¤ãã¤ãã¼ãã«ã©ãã
0000 0100B
RDSR
ãªã¼ãã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿
0000 0101B
WRSR
ã©ã¤ãã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿
0000 0001B
READ
ãªã¼ãã¡ã¢ãªã³ã¼ã
0000 0011B
WRITE
ã©ã¤ãã¡ã¢ãªã³ã¼ã
0000 0010B
RDID
ãªã¼ãããã¤ã¹ ID
1001 1111B
FSTRD
ãã¡ã¹ããªã¼ãã¡ã¢ãªã³ã¼ã
0000 1011B
SLEEP
ã¹ãªã¼ãã¢ã¼ã
1011 1001B
DS501-00022-2v0-J
5
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