M58BW16FB4T3F NUMONYX, M58BW16FB4T3F Datasheet - Page 70

• Manufacturer Part Number: M58BW16FB4T3F
• Description: IC FLASH 16MBIT 45NS 80PQFP
• Manufacturer: NUMONYX

Specifications of M58BW16FB4T3F

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 16M (512K x 32)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-MQFP, 80-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: M58BW16FB4T3FCT

Figure 28. Block Erase flowchart and pseudocode
1. If an error is found, the Status Register must be cleared before further Program/Erase operations.
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Write Block Address
Read Status
b4 and b5
Write 20h
Register
& D0h
b7 = 1
b3 = 0
b5 = 0
b1 = 0
Start
End
= 1
YES
YES
NO
YES
YES
NO
NO
YES
NO
NO
Suspend
Erase to Protected
Sequence Error
PEN Invalid
Block Error
Command
NO
Error (1)
Error (1)
Erase
YES
Suspend
Loop
Erase command:
– write 20h, Address 55h
– write Block Address
(memory enters read status
state after the Erase command)
do:
– read status register
if Erase command given execute
suspend erase loop
while b7 = 1
If b3 = 1, PEN invalid error:
– error handler
If b4, b5 = 1, Command Sequence error:
– error handler
If b5 = 1, Erase error:
– error handler
If b1 = 1, Erase to Protected Block Error:
– error handler
(A11-A19) & D0h
(E or G must be toggled)
AI08623d