M16C1N Datasheet, PDF (206/238 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES

M16C/1N Group
19. Flash Memory Version
Full status check
FMR06 =1
and
FMR07=1?
NO
FMR07=0?
YES
Command
sequence error
NO
Erase error
YES
(1) Execute the clear status register command to clear
these status flags to "0".
(2) Reexecute the command after checking that it is
entered correctly.
(1) Execute the clear status register command to clear
the erase status flag to "0".
(2) Reexecute the block erase command.
(3) Repeat the operation executing (1) and (2) at least
3 times until the error is eliminated.
Note 1: If the error still occurs, the block in error
cannot be used.
FMR06=0?
NO
Program error
YES
Full status check completed
[During programming]
(1) Execute the clear status register command to clear
the erase status flag to "0".
(2) Reexecute the program command.
Note 2: If the error still occurs, the block in error
cannot be used.
Note 3: If FMR06 or FMR07 = 1, the program, or block erase command is not accepted.
Execute the clear status register command before executing those commands.
Figure 19.12 Full status check flowchart, handling each error generated
Rev.1.00 Oct 20, 2004 page 194 of 222
REJ09B0007-0100Z