M58LW032D110N6 STMicroelectronics, M58LW032D110N6 Datasheet - Page 45

• 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

Figure 22. Protection Register Program Flowchart and Pseudo Code
Note: PR = Protection Register
PR Address, PR Data
Read Status Register
SR1, SR4 = 0,1
SR1, SR4 = 1,1
SR3, SR4 = 1,1
PR Program
Write C0h
Write FFh
Sucessful
SR7 = 1
Write
Start
NO
NO
YES
NO
YES
YES
YES
NO
Protection Register
V PEN Invalid Error
Protection Register
Program Error
Program Error
while SR7 = 1
Protection Register Program Command
– write C0h
– write Protection Register Address,
do:
– read status register
If SR3 = 1, SR4 = 1 V PEN Invalid Error
Read Memory Array Command:
– write FFh
If SR1 = 0, SR4 = 1 Protection Register
If SR1 = 1, SR4 = 1 Program Error due to
Protection Register Data
Protection Register Protection
Program Error
M58LW032D
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