AT45DB011D-MU ATMEL [ATMEL Corporation], AT45DB011D-MU Datasheet - Page 40
AT45DB011D-MU
Manufacturer Part Number
AT45DB011D-MU
Description
1-megabit 2.7-volt DataFlash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT45DB011D-MU.pdf
(52 pages)
- Current page: 40 of 52
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23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
23.1
23.2
40
SO (OUTPUT)
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI (INPUT)
AT45DB011D [Preliminary]
SO (OUTPUT)
SI (INPUT)
CS
CS
MAIN MEMORY
PAGE (256/264 BYTES)
BUFFER (256/264 BYTES)
PAGE TO
BUFFER
BUFFER
CMD
READ
CMD
ADDRESS FOR BINARY PAGE SIZE
A16
PA8-7
FLASH MEMORY ARRAY
PA6-0, BA8
A15-A8
I/O INTERFACE
7 DON’T CARE BITS + A16-A8 + 8 DON'T CARE BITS
X···X, PA8-7
SO
A7-A0
BA7-0
MAIN MEMORY
PAGE READ
BINARY PAGE SIZE
X
4 Dummy Bytes
PA6-0, X
Starts reading page data into buffer
X
XXXX XXXX
n
n+1
3639B–DFLASH–02/07
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