M50FW040K1 STMicroelectronics, M50FW040K1 Datasheet - Page 39

• Manufacturer Part Number: M50FW040K1
• Description: Flash 3.6V 4M (512Kx8)
• Manufacturer: STMicroelectronics

Specifications of M50FW040K1

• Data Bus Width: 8 bit
• Memory Type: NOR
• Memory Size: 4 Mbit
• Architecture: Sectored
• Interface Type: Firmware Hub
• Access Time: 11 ns, 50 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 20 mA
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-32
• Organization: 512 KB x 8
• Lead Free Status / Rohs Status: No

Figure 22. Erase Suspend & Resume Flowchart and Pseudo Code
Erase Continues
Read data from
another block
Read Status
Write D0h
Write B0h
Write 70h
Register
Program
b7 = 1
b6 = 1
Start
or
YES
YES
NO
NO
Erase Complete
Read Data
Write FFh
Program/Erase Suspend command:
– write B0h
– write 70h
do:
– read Status Register
while b7 = 1
If b6 = 0, Erase completed
Program/Erase Resume command:
– write D0h to resume erase
– if the Erase operation completed
then this is not necessary.
The device returns to Read as
normal (as if the Program/Erase
suspend was not issued).
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