M58LW032D110N6 STMicroelectronics, M58LW032D110N6 Datasheet - Page 44

• Manufacturer Part Number: M58LW032D110N6
• Description: IC FLASH 32MBIT 110NS 56TSOP
• Manufacturer: STMicroelectronics

Specifications of M58LW032D110N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 32M (4Mx8, 2Mx16)
• Speed: 110ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 56-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1725

M58LW032D
Figure 21. Block Unprotect Flowchart and Pseudo Code
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Read Status Register
SR4, SR5 = 1,1
Blocks Unprotect
Write D0h
Write 60h
Write FFh
Sucessful
SR5 = 1
SR7 = 1
SR3 = 1
Start
NO
NO
YES
NO
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
If SR3 = 1, V PEN Invalid Error
Blocks Unprotect Command
– write 60h, Block Adress
– write D0h, Block Adress
do:
– read status register
Read Memory Array Command:
– write FFh
Sequence Error
AI06158b