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MB85RS64 Datasheet, PDF (8/32 Pages) Fujitsu Component Limited. – 64 K (8 K×8) ビットSPI | |||
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MB85RS64
ɾREAD
READ ίÏϯÏ
͸ FRAM ÏÏϦηϧÎϨΠͷÏÊλÎಡÎà¥Í Î͢ɻSI Í´ READ ͷΦÏίÊÏ
ͱà³ÒÍ· 16 ÏοÏÍ·Î
Ï
ϨεÎà³à¾Í Î͢ɻÎÏ
Ϩεͷà§Ò 3 ÏοÏ͸à»Þ®Í°Í¢É»Í¦Í· Þ, SCK Í´ 8 αΠΫϧͷΫϩοΫÎà³à¾Í Î͢ɻSO ͸ SCK
ͷཱԼÎΤοδʹà²Í¯Í ظà¥à¾ÍÎÎ͢ɻÍͷಡà¥Í த , SI Í·à®Í¸à»Þ®Í°Í¢É»CS Îཱͪà§ÍÎͱ READ ίÏϯÏ
͸ऴà¾Í
ÎÍ¢Í , CS ཱà§ÍલʹҾÍà¬Í SCK Í´ 8 αΠΫϧͣÍΫϩοΫÎૹÎà¬ÍÎÍͱͰ , ÎÏ
ϨεÎà£à²Î ϯΫϦÏϯÏÍ
ͯಡà¥Í Îà¬ÍÎÍͱÍÕà³³Í°Í¢É»à ·à§ÒÎÏ
Ϩεʹà¡Í¢ÎͱϩÊϧΦÊÏÍ Í¯ 0 ൪à®Í´à»Î , ಡà¥Í αΠΫϧ͸à¡Í³Ý¶
Íà¬ÍÎÎÎ͢ɻ
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11 12 13
18 19 20 21 22 23 24 25 26 27 28 29 30 31
ΦÏίÊÏ
16 ÏοÏÎÏ
Ϩε
0 0 0 0 0 0 1 1 X X X 12 11 10
543210
Invalid
MSB
High-Z
LSB MSB
Data Out LSB
76543210
Invalid
ɾWRITE
WRITE ίÏϯÏ
͸ FRAM ÏÏϦηϧÎϨΠʹÏÊλÎॻÍà ÎÎ͢ɻSI Í´ WRITE ͷΦÏίÊÏ
ͱà³ÒÍ· 16 ÏοÏÍ·
ÎÏ
ϨεÍÎͼ 8 ÏοÏͷॻà ÎÏÊλÎà³à¾Í Î͢ɻÎÏ
Ϩεͷà§Ò 3 ÏοÏ͸à»Þ®Í°Í¢É»8 ÏοÏͷॻà ÎÏÊλÎà³
à¾Í ͨà£à°ºÍ° FRAM ÏÏϦηϧÎϨΠʹÏÊλÎॻÍà ÎÎ͢ɻCS Îཱͪà§ÍÎͱ WRITE ίÏϯÏ
͸ऴà¾Í ÎÍ¢Í , CS
ཱà§ÍલʹҾÍà¬Íॻà ÎÏÊλΠ8 ÏοÏÍ£ÍૹÎà¬ÍÎÍͱͰ , ÎÏ
ϨεÎà£à²Î ϯΫϦÏϯÏÍ Í¯à¥»à ÎÎà¬ÍÎ
ÍͱÍÕà³³Í°Í¢É»à ·à§ÒÎÏ
Ϩεʹà¡Í¢ÎͱϩÊϧΦÊÏÍ Í¯ 0 ൪à®Í´à»Î , ॻà ÎαΠΫϧ͸à¡Íͳݶà¬ÍÎÎÎ͢ɻ
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11 12 13
18 19 20 21 22 23 24 25 26 27 28 29 30 31
ΦÏίÊÏ
16 ÏοÏÎÏ
Ϩε
Data In
0 0 0 0 0 0 1 0 X X X 12 11 10
543210 76543210
MSB
LSB MSB
LSB
High-Z
8
DS501-00012-5v0-J
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