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AT45DB021D 데이터시트(PDF) 40 Page - ATMEL Corporation

부품명 AT45DB021D
상세설명  2-megabit 2.7-volt Minimum DataFlash
PDF  52 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021D 데이터시트(HTML) 40 Page - ATMEL Corporation

Back Button AT45DB021D_08 Datasheet HTML 36Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 37Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 38Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 39Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 40Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 41Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 42Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 43Page - ATMEL Corporation AT45DB021D_08 Datasheet HTML 44Page - ATMEL Corporation Next Button
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3638F–DFLASH–4/08
AT45DB021D
23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
23.1
Main Memory Page Read
23.2
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
FLASH MEMORY ARRAY
PAGE (256/264 BYTES)
BUFFER (256/264 BYTES)
I/O INTERFACE
MAIN MEMORY
PAGE TO
BUFFER
MAIN MEMORY
PAGE READ
BUFFER
READ
SO
SI (INPUT)
CMD
PA9-7
PA6-0, BA8
X
CS
n
n+1
SO (OUTPUT)
BA7-0
4 Dummy Bytes
X
ADDRESS FOR BINARY PAGE SIZE
A17-A16
A15-A8
A7-A0
Starts reading page data into buffer
SI (INPUT)
CMD
X···X, PA9-7
PA6-0, X
CS
SO (OUTPUT)
XXXX XXXX
BINARY PAGE SIZE
6 DON’T CARE BITS + A17-A8 + 8 DON'T CARE BITS



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