User Manual

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AT45DB041E [ADVANCE DATASHEET]
8783B–DFLASH–11/2012
24. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
Figure 24-1. Block Diagram
Figure 24-2. Main Memory Page Read
Flash Memory Array
Page (256/264 bytes)
Buffer 2 (256/264 bytes)Buffer 1 (256/264 bytes)
I/O Interface
Main Memory
Page To
Buffer 1
Main Memory
Page To
Buffer 2
Main Memory
Page Read
Buffer 1
Read
Buffer 2
Read
SO
CS
SI (Input)
SO (Output)
n
CMD XXXX,PA10-7 PA6-0, BA8 BA7-0 X X
Address for Binary Page Size
XXXXX,A18-A16 A15-A8 A7-A0
n n + 1
4 Dummy Bytes