M50FLW040AN5T View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M50FLW040AN5T

4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory

STMicroelectronics 

M50FLW040A, M50FLW040B

Figure 28. Erase Suspend and Resume Flowchart and Pseudo Code

Start

Write B0h

Write 70h

Read Status

Register

NO

SR7 = 1

YES

NO

SR6 = 1

YES

Read data from

another block/sector

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 SR7 = 0

If SR6 = 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).

AI08429B

50/52

Share Link: