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AT45DB021D データシート(PDF) 39 Page - ATMEL Corporation

部品番号 AT45DB021D
部品情報  2-megabit 2.7-volt Minimum DataFlash
PDF  54 Pages
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メーカー  ATMEL [ATMEL Corporation]
ホームページ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021D データシート(HTML) 39 Page - ATMEL Corporation

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39
3638I–DFLASH–04/09
AT45DB021D
21.6 Reset Timing
Note:
The CS signal should be in the high state before the RESET signal is deasserted.
21.7 Command Sequence for Read/Write Operations for Page Size 256 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
21.8 Command Sequence for Read/Write Operations for Page Size 264 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
CS
SCK
RESET
SO (OUTPUT)
HIGH IMPEDANCE
HIGH IMPEDANCE
SI (INPUT)
tRST
tREC
tCSS
SI (INPUT)
CMD
8 bits
8 bits
8 bits
Page Address
(A17 - A8)
X X X X X X
X X
X X X X X X X X
LSB
X X X X X X X X
Byte/Buffer Address
(A7 - A0/BFA7 - BFA0)
MSB
6 Don’t Care
Bits
Page Address
(PA9 - PA0)
Byte/Buffer Address
(BA8 - BA0/BFA8 - BFA0)
SI (INPUT)
CMD
8 bits
8 bits
8 bits
X X X X X
X X X X
X X X
LSB
X X X X X X X X
MSB
5 Don’t Care
Bits
X X X X



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