M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 233

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M30622SAFP

Manufacturer Part Number
M30622SAFP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet

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CPU Rewrite Mode (Flash Memory Version)
Figure 1.26.8. Full status check flowchart and remedial procedure for errors
Full Status Check
End (block erase, program)
By performing full status check, it is possible to know the execution results of erase and program
operations. Figure 1.26.8 shows a full status check flowchart and the action to be taken when each
error occurs.
Note: When one of SR5 to SR3 is set to 1, none of the page program, block erase,
Read status register
SR4=1 and SR5
erase all unlock blocks and lock bit program commands is accepted. Execute the
clear status register command (50
SR5=0?
SR4=0?
SR3=0?
=1 ?
YES
YES
YES
NO
YES
NO
NO
NO
Program error (page
Block erase error
sequence error
Program error
Command
or lock bit)
(block)
16
) before executing these commands.
After erasing the block in error, execute write
operation one more time. If the same error still
occurs, the block in error cannot be used.
Execute the clear status register command (50
to clear the status register. Try performing the
operation one more time after confirming that the
command is entered correctly.
Execute the read lock bit status command (71
to see if the block is locked. After removing lock,
execute write operation in the same way. If the
error still occurs, the page in error cannot be
used.
Should a block erase error occur, the block in error
cannot be used.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M16C / 62A Group
Mitsubishi microcomputers
16
16
)
)
233

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