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AT45DB041D Datasheet(PDF) 39 Page - ATMEL Corporation

No. de pieza AT45DB041D
Descripción Electrónicos  4-megabit 2.5-volt or 2.7-volt DataFlash
PDF  53 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB041D Datasheet(HTML) 39 Page - ATMEL Corporation

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3595H–DFLASH–03/07
AT45DB041D
22. Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
22.1
Buffer Write
22.2
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
FLASH MEMORY ARRAY
PAGE (256/264 BYTES)
BUFFER 2 (256/264 BYTES)
BUFFER 1 (256/264 BYTES)
I/O INTERFACE
SI
BUFFER 1 TO
MAIN MEMORY
PAGE PROGRAM
BUFFER 2 TO
MAIN MEMORY
PAGE PROGRAM
BUFFER 1
WRITE
BUFFER 2
WRITE
SI (INPUT)
CMD
Completes writing into selected buffer
CS
X
X···X, BFA8
BFA7-0
n
n+1
Last Byte
BINARY PAGE SIZE
16 DON'T CARE + BFA7-BFA0
SI (INPUT)
CMD
PA10-7
PA6-0, X
CS
Starts self-timed erase/program operation
XXXX XX
Each transition
represents 8 bits
n = 1st byte read
n+1 = 2nd byte read
BINARY PAGE SIZE
A18-A8 + 8 DON'T CARE BITS



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