m58bw32f STMicroelectronics, m58bw32f Datasheet - Page 68

• Manufacturer Part Number: m58bw32f
• Description: 16 Or 32 Mbit X32, Boot Block, Burst 3.3v Supply Flash Memories
• Manufacturer: STMicroelectronics

Flowcharts
Appendix A
Figure 26. Program flowchart and pseudocode
1. If an error is found, the Status Register must be cleared before further P/E operations.
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Write Address
Read Status
Write 40h
Register
& Data
b7 = 1
b3 = 0
b4 = 0
b1 = 0
Start
End
YES
YES
YES
YES
Flowcharts
NO
NO
NO
NO
Program to Protect
PEN Invalid
Block Error
Program
Error (1)
Error (1)
Program command:
– write 40h, Address AAh
– write Address & Data
(memory enters read status
state after the Program command)
do:
– read status register
while b7 = 1
If b3 = 1, PEN invalid error:
– error handler
If b4 = 1, Program error:
– error handler
If b1 = 1, Program to Protected Block Error:
– error handler
(E or G must be toggled)
M58BW16F, M58BW32F
AI03850e