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M58BW016DB Datasheet(PDF) 55 Page - STMicroelectronics

No. de pieza M58BW016DB
Descripción Electrónicos  16 Mbit 512Kb x32, Boot Block, Burst 3V Supply Flash Memories
PDF  63 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58BW016DB Datasheet(HTML) 55 Page - STMicroelectronics

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M58BW016BT, M58BW016BB, M58BW016DT, M58BW016DB
Figure 27. Unlock Device and Erase a Tuning Protected Block Flowchart
AI04502
Reset
Device locked
by tuning code
Add: don't care
Data: 0x78h
1st: Write Cycle
Add: 0x00000h
Data: First 32 bit
2nd: Write Cycle
(First part
of the tuning code)
YES
b7 = 1
Add: don't care
Data: 0x78h
3rd: Write Cycle
Add: 0x00001h
Data: Second 32 bit
4th: Write Cycle
(Second part
of the tuning code)
YES
b7 = 1
YES
NO
b0 = 1
DEVICE LOCKED
Add: don't care
Data: 0x20h
6th: Write Cycle
Add: block to erase
Data: 0xD0h
7th: Write Cycle
YES
b7 = 1
DEVICE UNLOCKED
Status Register
check
Block
Erased
TUNING PROTECTION
UNLOCK SEQUENCE
Add: don't care
Data: 0xFFh
Issue Read command
5th: Write Cycle
Add: don't care
Data: 0xFFh
Issue
Read
command
Read Status
Register



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