M50FW002 データシートの表示（PDF） - STMicroelectronics

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M50FW002

2 Mbit (256Kb x8, Boot Block) 3V Supply Firmware Hub Flash Memory

STMicroelectronics 

M50FW002

Figure 16. Program Suspend and Resume Flowchart, and Pseudo Code

Start

Write B0h

Write 70h

Read Status

Register

NO

b7 = 1

YES

NO

b2 = 1

YES

Write a read

Command

Program Complete

Read data from

another address

Write D0h

Write FFh

Program Continues

Read Data

Program/Erase Suspend command:

– write B0h

– write 70h

do:

– read Status Register

while b7 = 1

If b2 = 0 Program completed

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).

AI03408

32/39

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