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AT45DB081D-SSU-2.5 View Datasheet(PDF) - Atmel Corporation

Part Name
Description
MFG CO.
AT45DB081D-SSU-2.5
Atmel
Atmel Corporation Atmel
'AT45DB081D-SSU-2.5' PDF : 54 Pages View PDF
23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
FLASH MEMORY ARRAY
PAGE (256-/264-BYTES)
MAIN MEMORY
PAGE TO
BUFFER 1
BUFFER 1 (256-/264-BYTES)
BUFFER 1
READ
MAIN MEMORY
PAGE TO
BUFFER 2
BUFFER 2 (256-/264-BYTES)
MAIN MEMORY
PAGE READ
BUFFER 2
READ
I/O INTERFACE
SO
23.1 Main Memory Page Read
CS
ADDRESS FOR BINARY PAGE SIZE
A19-A16
A15-A8
A7-A0
SI (INPUT)
CMD
PA11-7
PA6-0, BA8
BA7-0
X
X
SO (OUTPUT)
4 Dummy Bytes for Serial
n
n+1
23.2 Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
Starts reading page data into buffer
CS
SI (INPUT)
BINARY PAGE SIZE
A19-A8 + 8 DON'T CARE BITS
CMD
PA11-7
PA6-0, X
XXXX XXXX
SO (OUTPUT)
40 Atmel AT45DB081D
3596M–DFLASH–5/10
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