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M58MR032C Datasheet(PDF) 44 Page - STMicroelectronics

No. de pieza M58MR032C
Descripción Electrónicos  32 Mbit 2Mb x16, Mux I/O, Dual Bank, Burst 1.8V Supply Flash Memory
PDF  52 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58MR032C Datasheet(HTML) 44 Page - STMicroelectronics

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Figure 19. Block Erase Flowchart and Pseudo Code
Write 20h
Command
AI90037
Start
Write Block Address
& D0h Command
Read Status
Register
YES
NO
b7 = 1
YES
NO
b3 = 0
NO
b4, b5 = 0
VPP Invalid
Error (1)
Command
Sequence Error (1)
EE instruction:
– write 20h command
– write Block Address (A12-A20) &
command D0h
(memory enters read status state after
the EE instruction)
do:
– read status register (E or G must be
toggled) if PES instruction given execute
suspend erase loop
while b7 = 1
If b3 = 1, VPP invalid error:
– error handler
If b4, b5 = 1, Command sequence error:
– error handler
YES
NO
b5 = 0
Erase Error (1)
YES
NO
Suspend
Suspend
Loop
If b5 = 1, Erase error:
– error handler
End
YES
NO
b1 = 0
Erase to Protected
Block Error (1)
If b1 = 1, Erase to protected block error:
– error handler
YES



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