M58LW064 datasheet(44/53 Pages) STMICROELECTRONICS

Part #	M58LW064

Description	64 Mbit x16 and x16/x32, Block Erase Low Voltage Flash Memories

PDF	53 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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44 / 53 page

M58LW064A, M58LW064B

44/53

Figure 23. Erase Suspend & Resume Flowchart and Pseudo Code

Write 70h

Command

AI00615

Read Status

YES

b7=1

YES

b6=1

Program Continues

Write FFh

Command

PES instruction:

– write B0h command

(memory enters read register

state after the PES instruction)

do:

– read status register

(E or G must be toggled)

while b7 = 1

If b6 = 0, Erase completed

(at this point the memory wich

accept only the RD or PER instruction)

RD instruction:

– write FFh command

– one o more data reads

from another block

Write D0h

Command

Read data from

another block

or Program

Start

Write B0h

Command

Erase Complete

Write FFh

Command

Read Data

PG instruction:

– write 40h command

– write Address & Data

PER instruction:

– write D0h command

to resume erasure

– if the program operation completed

then this is not necessary. The device

returns to Read Array as normal

(as if the Program/Erase suspend

was not issued).

M58LW064 Datasheet(PDF) 44 Page - STMicroelectronics

M58LW064 Datasheet(HTML) 44 Page - STMicroelectronics

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