M58LW032C110ZA6 STMICROELECTRONICS [STMicroelectronics], M58LW032C110ZA6 Datasheet - Page 55
M58LW032C110ZA6
Manufacturer Part Number
M58LW032C110ZA6
Description
32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M58LW032C110ZA6.pdf
(61 pages)
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Figure 28. Blocks Unprotect Flowchart and Pseudo Code
Read Status Register
SR4, SR5 = 1,1
Blocks Unprotect
Write D0h
Write FFh
Write 60h
Sucessful
SR5 = 1
SR7 = 1
SR3 = 1
Start
NO
NO
NO
YES
YES
YES
YES
NO
V PEN Invalid Error
Invalid Command
Blocks Unprotect
Sequence Error
Error
If SR5 = 1, Blocks Unprotect Error
while SR7 = 1
If SR4 = 1, SR5 = 1 Invalid Command
Blocks Unprotect Command
– write 60h, Block Adress
– write D0h, Block Adress
do:
– read status register
If SR3 = 1, V PEN Invalid Error
Read Memory Array Command:
– write FFh
Sequence Error
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