m58bw032bb STMicroelectronics, m58bw032bb Datasheet - Page 51
m58bw032bb
Manufacturer Part Number
m58bw032bb
Description
32 Mbit 1mb X32, Boot Block, Burst 3.3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M58BW032BB.pdf
(60 pages)
- Current page: 51 of 60
- Download datasheet (569Kb)
Figure 25. Unlock Device and Program a Tuning Protected Block Flowchart
Issue
Read
command
Add: don't care
DEVICE LOCKED
Data: FFh
NO
Data: Second 32 bit
Data: First 32 bit
Add: don't care
Add: don't care
by tuning code
Device locked
Add: 00000h
Add: 00001h
Read Status
Data: 78h
Data: 78h
Register
b7 = 1
b7 = 1
b0 = 1
Reset
YES
YES
YES
DEVICE UNLOCKED
M58BW032BT, M58BW032BB, M58BW032DT, M58BW032DB
1st: Write Cycle
2nd: Write Cycle
(First part
of the tuning code)
3rd: Write Cycle
4th: Write Cycle
(Second part
of the tuning code)
TUNING PROTECTION
UNLOCK SEQUENCE
Add: location to prog.
Data: data to prog.
Add: don't care
Status Register
programmed
Data: FFh
Add: AAh
Data: 40h
Location
b7 = 1
check
YES
Issue Read command
5th: Write Cycle
6th: Write Cycle
7th: Write Cycle
AI04502b
51/60
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