m58bw016bt STMicroelectronics, m58bw016bt Datasheet - Page 49

• Manufacturer Part Number: m58bw016bt
• Description: 16 Mbit 512kb X32, Boot Block, Burst 3v Supply Flash Memories
• Manufacturer: STMicroelectronics

APPENDIX B. FLOW CHARTS
Figure 21. Program Flowchart and Pseudo Code
Note: 1. If an error is found, the Status Register must be cleared before further P/E operations.
Write Address
Read Status
Write 40h
Register
& Data
b7 = 1
b3 = 0
b4 = 0
b1 = 0
Start
End
YES
YES
YES
YES
NO
NO
NO
NO
M58BW016BT, M58BW016BB, M58BW016DT, M58BW016DB
Program to Protect
V PP Invalid
Block Error
Program
Error (1)
Error (1)
Program Command:
– write 40h
– write Address & Data
(memory enters read status
state after the Program command)
do:
– read status register
while b7 = 1
If b3 = 1, V PP 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)
AI03850
49/63