M50LPW040K1 Micron Technology Inc, M50LPW040K1 Datasheet - Page 27

• Manufacturer Part Number: M50LPW040K1
• Manufacturer: Micron Technology Inc

Specifications of M50LPW040K1

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 11/50ns
• Interface Type: Parallel/Serial
• Boot Type: Top
• Address Bus: 4/11Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• Sync/async: Async/Sync
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 20mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Compliant

Figure 14. Program Flowchart and Pseudo Code
Note: 1. A Status check of b1 (Protected Block), b3 (V
2. If an error is found, the Status Register must be cleared before further Program/Erase Controller operations.
following the correct command sequence.
Interface
Only
LPC
Write 40h or 10h
Write Address
Read Status
Register
& Data
b7 = 1
b3 = 0
b4 = 0
b1 = 0
Start
End
YES
YES
YES
YES
NO
NO
NO
NO
Suspend
Program to Protected
Block Error (1, 2)
NO
V PP Invalid
Error (1, 2)
Error (1, 2)
Program
PP
invalid) and b4 (Program Error) can be made after each Program operation by
YES
Suspend
Loop
Program command:
– write 40h or 10h
– write Address & Data
do:
–read Status Register if Program/Erase
while b7 = 1
If b3 = 1, V PP invalid error:
– error handler
If b4 = 1, Program error:
– error handler
If b1 = 1, Program to protected block error:
– error handler
Suspend command given execute
(memory enters read status state after
the Program command)
suspend program loop
M50LPW040
AI04433
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