AT45DB081D-SSU-2.5 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT45DB081D-SSU-2.5' PDF : 54 Pages View PDF
Atmel AT45DB081D
22. Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
FLASH MEMORY ARRAY
PAGE (256-/264-BYTES)
BUFFER TO
MAIN MEMORY
PAGE PROGRAM
BUFFER (256-/264-BYTES)
BUFFER
WRITE
I/O INTERFACE
SI
22.1 Buffer Write
CS
SI (INPUT)
CMD
BINARY PAGE SIZE
16 DON'T CARE + BFA7-BFA0
X
X···X, BFA8
BFA7-0
Completes writing into selected buffer
n
n+1
Last Byte
22.2 Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
Starts self-timed erase/program operation
CS
SI (INPUT)
Each transition
represents 8 bits
CMD
BINARY PAGE SIZE
A19-A8 + 8 DON'T CARE BITS
PA10-7
PA6, X
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
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3596M–DFLASH–5/10
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