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MB85RS1MT Datasheet, PDF (8/36 Pages) Fujitsu Component Limited. – 1M (128 K × 8) ビットSPI | |||
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MB85RS1MT
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ã¾ãã , CS ç«ä¸ãåã«å¼ãç¶ã SCK ã« 8 ãµã¤ã¯ã«ãã¤ã¯ããã¯ãéãç¶ãããã¨ã§ , ã¢ãã¬ã¹ãèªåã¤ã³ã¯ãªã¡ã³ãã
ã¦èªåºããç¶ãããã¨ãå¯è½ã§ããæä¸ä½ã¢ãã¬ã¹ã«éããã¨ãã¼ã«ãªã¼ãã㦠0 çªå°ã«æ»ã , èªåºããµã¤ã¯ã«ã¯ééãª
ãç¶ãããã¾ããREAD 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¯¾å¿ãã¦ãã¾ãã
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 26 27 28 29 30 31 32 33 34 35 36 37 38 39
ãªãã³ã¼ã
24 ãããã¢ãã¬ã¹
0 0 0 0 0 0 1 1 X X X X X X X 16
543210
Invalid
MSB
High-Z
LSB MSB
Data Out LSB
76543210
Invalid
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WRITE ã³ãã³ã㯠FRAM ã¡ã¢ãªã»ã«ã¢ã¬ã¤ã«ãã¼ã¿ãæ¸ãè¾¼ã¿ã¾ããSI ã« WRITE ã®ãªãã³ã¼ãã¨ä»»æã® 24 ãããã®
ã¢ãã¬ã¹ããã³ 8 ãããã®æ¸è¾¼ã¿ãã¼ã¿ãå
¥åãã¾ããã¢ãã¬ã¹ã®ä¸ä½ 7 ãããã¯ç¡å¹ã§ãã8 ãããã®æ¸è¾¼ã¿ãã¼ã¿ãå
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åããæç¹ã§ FRAM ã¡ã¢ãªã»ã«ã¢ã¬ã¤ã«ãã¼ã¿ãæ¸ãè¾¼ã¿ã¾ããCS ãç«ã¡ä¸ãã㨠WRITE ã³ãã³ãã¯çµäºãã¾ãã , CS
ç«ä¸ãåã«å¼ãç¶ãæ¸è¾¼ã¿ãã¼ã¿ã 8 ããããã¤éãç¶ãããã¨ã§ , ã¢ãã¬ã¹ãèªåã¤ã³ã¯ãªã¡ã³ããã¦æ¸è¾¼ã¿ãç¶ãã
ãã¨ãå¯è½ã§ããæä¸ä½ã¢ãã¬ã¹ã«éããã¨ãã¼ã«ãªã¼ãã㦠0 çªå°ã«æ»ã , æ¸è¾¼ã¿ãµã¤ã¯ã«ã¯ééãªãç¶ãããã¾ãã
WRITE 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¯¾å¿ãã¦ãã¾ãã
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
26 27 28 29 30 31 32 33 34 35 36 37 38 39
ãªãã³ã¼ã
24 ãããã¢ãã¬ã¹
Data In
0 0 0 0 0 0 1 0 X X X X X X X 16
54321076543210
MSB
High-Z
LSB MSB
LSB
8
DS501-00022-2v0-J
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