R8C2E Datasheet, PDF (302/354 Pages) Renesas Technology Corp – MCU

R8C/2E Group, R8C/2F Group
20. Flash Memory Version
Full status check
FMR06 = 1
Yes
and
Command sequence error
FMR07 = 1?
No
Command sequence error
Execute the clear status register command
(set these status flags to 0)
Check if command is properly input
Re-execute the command
Yes
FMR07 = 1?
No
Erase error
Yes
FMR06 = 1?
No
Program error
Full status check completed
NOTE:
1. To rewrite to the address where the program error occurs, check if the full
status check is complete normally and write to the address after the block
erase command is executed.
Erase error
Execute the clear status register command
(set these status flags to 0)
Erase command
No
re-execution times ≤ 3 times?
Yes
Re-execute block erase command
Program error
Execute the clear status register
command
(set these status flags to 0)
Specify the other address besides the
write address where the error occurs for
the program address⁽¹⁾
Re-execute program command
Block targeting for erasure
cannot be used
Figure 20.16 Full Status Check and Handling Procedure for Individual Errors
Rev.1.00 Dec 14, 2007 Page 286 of 332
REJ09B0349-0100