AT45DB011D-MH-SL954 ATMEL [ATMEL Corporation], AT45DB011D-MH-SL954 Datasheet - Page 39
AT45DB011D-MH-SL954
Manufacturer Part Number
AT45DB011D-MH-SL954
Description
1-megabit 2.7-volt Minimum DataFlash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT45DB011D-MH-SL954.pdf
(52 pages)
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22. Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
22.1
22.2
3639E–DFLASH–5/08
SI (INPUT)
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
CS
SI (INPUT)
CS
represents 8 bits
PAGE (256/264 BYTES)
Each transition
CMD
X
16 DON'T CARE + BFA7-BFA0
CMD
BINARY PAGE SIZE
PAGE PROGRAM
X···X, BFA8
BUFFER (256/264 BYTES)
MAIN MEMORY
FLASH MEMORY ARRAY
BUFFER TO
BUFFER
I/O INTERFACE
WRITE
PA8-7
Starts self-timed erase/program operation
BFA7-0
SI
A16-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
n
PA6-0, X
Completes writing into the buffer
n+1
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
Last Byte
AT45DB011D
39
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