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 25. Program Suspend and Resume Flowchart and Pseudo Code

Start

Write B0h

Write 70h

Read Status

Register

Program/Erase Suspend command:

– write B0h

– write 70h

do:

– read Status Register

NO

SR7 = 1

YES

NO

SR2 = 1

YES

Write a read

Command

Program Complete

while SR7 = 0

If SR2 = 0 Program completed

Read data from

another address

Write D0h

Program Continues

Write FFh

Read Data

Program/Erase Resume command:

– write D0h to resume the program

– if the Program operation completed

then this is not necessary.

The device returns to Read as

normal (as if the Program/Erase

suspend was not issued).

Note: 1. If an error is found, the Status Register must be cleared before further Program/Erase operations.

2. Any address within the bank can equally be used.

AI08426B

47/52

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