Read operations, Cs si (input) so (output) – Rainbow Electronics AT45DB041E User Manual

Page 55

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55

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

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