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AT45DB321E датащи(PDF) 55 Page - Dialog Semiconductor

номер детали AT45DB321E
подробное описание детали  32-Mbit DataFlash (with Extra 1-Mbits), 2.3V Minimum SPI Serial Flash Memory
PDF  70 Pages
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производитель  DIALOG [Dialog Semiconductor]
домашняя страница  http://www.dialog-semiconductor.com/
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AT45DB321E датащи(HTML) 55 Page - Dialog Semiconductor

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AT45DB321E
8784L–DFLASH–3/2019
22.
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
Figure 22-1. Block Diagram
Figure 22-2. Buffer Write
Figure 22-3. Buffer to Main Memory Page Program
Flash Memory Array
Buffer 2 (512/528 bytes)
I/O Interface
SI
Buffer 1 To
Main Memory
Page Program
Buffer 2 To
Main Memory
Page Program
Buffer 1
Write
Buffer 2
Write
Page (512/528 bytes)
Buffer 1 (512/528 bytes)
CS
SI (Input)
CMD
X
X···X, BFA9-8
BFA7-0
n
n + 1
Last Byte
Completes Writing into Selected Buffer
Binary Page Size
15 Dummy Bits + BFA8-BFA0
CS
SI (Input)
CMD
XX, PA12-6
PA5-0, XX
XXXX XX
Starts Self-timed Erase/Program Operation
Binary Page Size
A21-A9 + 11 Dummy Bits
n
= 1st byte read
n+1 = 2nd byte read
Each transition represents eight bits



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