M50LPW012 データシートの表示（PDF） - STMicroelectronics

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M50LPW012

2 Mbit (256Kb x8, Boot Block) 3V Supply Low Pin Count Flash Memory

STMicroelectronics 

M50LPW012

Figure 18. Erase Suspend and Resume Flowchart, and Pseudo Code

Start

Write B0h

Write 70h

Read Status

Register

NO

b7 = 1

YES

NO

b6 = 1

YES

Read data from

another block

or

Program

Erase Complete

Write D0h

Erase Continues

Write FFh

Read Data

Program/Erase Suspend command:

– write B0h

– write 70h

do:

– read Status Register

while b7 = 1

If b6 = 0, Erase completed

Program/Erase Resume command:

– write D0h to resume erase

– if the Erase operation completed

then this is not necessary.

The device returns to Read as

normal (as if the Program/Erase

suspend was not issued).

AI03410

32/35

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