AT45DB011B-SI-SL383 Atmel, AT45DB011B-SI-SL383 Datasheet - Page 17
AT45DB011B-SI-SL383
Manufacturer Part Number
AT45DB011B-SI-SL383
Description
Manufacturer
Atmel
Datasheet
1.AT45DB011BSC.pdf
(32 pages)
- Current page: 17 of 32
- Download datasheet (389Kb)
Read
Operations
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
Buffer Read
1984J–DFLASH–06/06
SO
CS
SI
Each transition represents
8 bits and 8 clock cycles
CMD
SO
CS
SI
r ···r , PA8-7
CS
SO
The following block diagram and waveforms illustrate the various read sequences available.
SI
CMD
PA6-0, BA8
PAGE (264 BYTES)
CMD
X
BA7-0
X···X, BFA8
r ···r , PA8-7
MAIN MEMORY
X
Starts reading page data into buffer
BFA7-0
FLASH MEMORY ARRAY
BUFFER (264 BYTES)
PA6-0, X
PAGE TO
BUFFER
BUFFER
I/O INTERFACE
READ
X
SO
X
X
X
n
n+1
MAIN MEMORY
PAGE READ
X
AT45DB011B
n = 1st byte read
n+1 = 2nd byte read
n
n+1
17
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