Renesas R8C/20 User Manual

R8C/20 Group, R8C/21 Group 19. Flash Memory
Rev.2.00 Aug 27, 2008 Page 399 of 458
REJ09B0250-0200
Figure 19.16 Full Status Check and Handling Procedure for Individual Errors
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.
Full status check
FMR06 = 1
and
FMR07 = 1?
FMR07 = 1?
FMR06 = 1?
Full status check completed
No
Yes
Yes
No
Yes
No
Command sequence error
Erase error
Program error
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
Erase error
Execute the clear status register command
(set these status flags to 0)
Erase command
re-execution times ≤ 3 times?
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
No
Yes

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English