M58LW032D 데이터 시트보기 (PDF) - STMicroelectronics

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M58LW032D

32 Mbit (4Mb x8, 2Mb x16, Uniform Block) 3V Supply Flash Memory

STMicroelectronics 

M58LW032D

Figure 19. Erase Suspend & Resume Flowchart and Pseudo Code

Start

Write B0h

Write 70h

Read Status

Register

NO

b7 = 1

YES

NO

b6 = 1

YES

Write FFh

Erase Complete

Read data from

another block

or Program

Write D0h

Write FFh

Erase Continues

Read Data

Program/Erase Suspend Command:

– write B0h

– write 70h

do:

– read status register

while b7 = 1

If b6 = 0, Erase completed

Read Memory Array command:

– write FFh

– one or more data reads

from other blocks

Program/Erase Resume command:

– write D0h to resume the Erase

operation

– if the Erase operation completed

then this is not necessary. The device

returns to Read mode as normal

(as if the Program/Erase suspend

was not issued).

AI00615b

42/50

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