M58LW032C110ZA6 STMICROELECTRONICS [STMicroelectronics], M58LW032C110ZA6 Datasheet - Page 54

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)

M58LW032C

Figure 27. Block Protect Flowchart and Pseudo Code

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Read Status Register

SR4, SR5 = 1,1

Block Address

Block Protect

Write FFh

Write 60h

Write 01h

Sucessful

SR4 = 1

SR7 = 1

SR3 = 1

Start

YES

V PEN Invalid Error

Invalid Command

Sequence Error

Block Protect

Error

If SR4 = 1, Block Protect Error

If SR4 = 1, SR5 = 1 Invalid Command Sequence

If SR3 = 1, V PEN Invalid Error

while SR7 = 1

Block Protect Command

– write 60h, Block Adress

– write 01h, Block Adress

do:

– read status register

Read Memory Array Command:

– write FFh

Error

AI06157b