M58MR032-ZCT データシートの表示（PDF） - STMicroelectronics

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M58MR032-ZCT

32 Mbit (2Mb x16, Mux I/O, Dual Bank, Burst) 1.8V Supply Flash Memory

STMicroelectronics 

M58MR032C, M58MR032D

Figure 20. Erase Suspend & Resume Flowchart and Pseudo Code

Start

Write B0h

Command

Write 70h

Command

Read Status

Register

NO

b7 = 1

YES

NO

b6 = 1

YES

Erase Complete

Read data from

another block

or

Program/Protection Program

or

Block Protect/Unprotect/Lock

Write D0h

Command

Write FFh

Command

Erase Continues

Read Data

PES instruction:

– write B0h command

do:

– read status register

(E or G must be toggled)

while b7 = 1

If b6 = 0, Erase completed

PER instruction:

– write D0h command to resume

erasure

– if the erase operation completed

then this is not necessary.

The device returns to Read Array as

normal (as if the Program/Erase

suspend was not issued).

AI90038

45/52

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