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MB85RC256V Datasheet, PDF (7/32 Pages) Fujitsu Component Limited. – 256 K (32 K×8) ビットI2C | |||
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MB85RC256V
â ίÏϯÏ
ɾByte Write
ελÊÏɾίϯÏÎγϣϯʹà¬ÍͯÏÏΠεɾÎÏ
ϨεɾϫÊÏ
(R/W â0â à³à¾ ) Îૹ৴͢ÎÍͱͰ , εϨÊÏÍÎ ACK Î
Ô à±´Í Î͢ɻÍÍ· ACK Þ, à²à¼·Í´à¥»à ÎÏÏϦÎÏ
Ϩε , ॻà ÎÏÊλÎà«¹à§´Í , Í´Þà ·ÎµÏοÏɾίϯÏÎγϣϯÎàµß¦
Í¢ÎÍͱͰॻà ÎÍÍ¢ÎÍ à¾×¬É»
S 1 0 1 0 A2 A1 A0 0 A
Address
High 8bits
A
Address
Low 8bits
A
Write
Data 8bits
AP
0 XXXXXXX
MSB
X X X X X X XX
LSB
ÏελÍÎÍ·ÎΫηε
εϨÊÏÍÎÍ·ÎΫηε
S ελÊÏɾίϯÏÎγϣϯ
P εÏοÏɾίϯÏÎγϣϯ
A ACK (SDA Í âLâ ϨÏϧ )
ʢ஫Òà£ß²Ê£MB85RC256V Ͱ͸ , ÎÏ
Ϩε͸ 15 ÏοÏͰදÍÎÎͨΠ, à§ÒÎÏ
ϨεÏÎ ÏÍ·à ·à§ÒÏοÏʹ͸ â0â Îà³
à¾Í ͯÍÍ©ÍÍÉ»
ɾPage Write
Byte Write ͱà²à¼·Í·Î¯ÏϯÏ
( εÏοÏɾίϯÏÎγϣϯÎà¦Í ) Îà«¹à§´Í Í¨ Þ, à¿à¬Í ͯÏÊλૹ৴͢ÎÍͱͰ , à£Í·
ÏÏϦÎÏ
ϨεÒß±ÎॻÍà ÎÎ͢ɻ
à ·à¤´ÏÏϦÎÏ
Ϩεʹ౸à¡Í¢Îͱàªà²ÏÏϦÎÏ
Ϩε ( 0000H) Í´Ï©ÊϧΦÊÏÍ ÎÍ¢É»Í Í¨Íͬͯ , 32 K ÏÎ ÏÒà§à«¹
à§´Í Í¨à§ß¹ , à ·à¥³Í´à¥»à ÎÍ Í¨ FRAM ÏÏϦÎÏ
Ϩεͷàªà²ÍÎॱʹà§à¥»ÍÍÎͯÍÍÎ͢ɻ
Í³Í , FRAM ͸ॻà ÎÍß´à¬Í³Í¨Î , ACK Í·Ô à±´ÍÍ¨Í à¾×¬à¯Í´Þ͸ , FRAM ÎÍ·ÏÊλॻà ÎÍÍ¢ÎÍÍ¯Í à¾×¬Í´Ø·É»
S 1 0 1 0 A2 A1 A0 0 A
Address
High 8bits
A
Address
Low 8bits
A
Write
Data 8bits
A
Write
Data
... A P
ÏελÍÎÍ·ÎΫηε
εϨÊÏÍÎÍ·ÎΫηε
S ελÊÏɾίϯÏÎγϣϯ
P εÏοÏɾίϯÏÎγϣϯ
A ACK (SDA Í âLâ ϨÏϧ )
ʢ஫Òà£ß²Ê£ÎµÏοÏɾίϯÏÎγϣϯàµß¦ Þ, ÏοÏÎÍÎÏÏϦÎͷ಺෦ॻà ÎαΠΫϧØظÎͱÎà¶à½Í¸ÍÎÎͤÎÉ»
DS501-00017-4v0-J
7
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