R8CSLASH15 datasheet(223/277 Pages) RENESAS

223 / 277 page

R8C/14 Group, R8C/15 Group

18. Flash Memory Version

Rev.2.10

Jan 19, 2006

Page 211 of 253

REJ09B0164-0210

Figure 18.14

Full Status Check and Handling Procedure for Each Error

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 = 0?

FMR06 = 0?

Full status check completed

Yes

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

Yes

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