r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 692

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 32.17
Note:
1. To rewrite to the address where the program error occurs, ensure that
the full status check completes normally and write to the address
after the block erase command is executed.
Full status check completed
Full status check
FST5 = 1?
FST5 = 1?
FST4 = 1?
FST4 = 1
and
No
No
Full Status Check and Handling Procedure for Individual Errors
No
Yes
Yes
Yes
Command sequence error
blank check error
Program error
Erase error/
Execute the clear status register command
Execute the clear status register command
Execute the clear status register command
Check if the command is properly input
Specify an address other than the write
Re-execute the block erase command
Re-execute the program command
address where the error occurs
Re-execution times ≤ 3 times?
Is the command executed on
Is the command executed on
Re-execute the command
(Set bits FST4 and FST5
(Set bits FST4 and FST5
(Set bits FST4 and FST5
Command sequence error
Is the lock bit disabled?
Is the lock bit disabled?
as the program address
the data flash area?
the data flash area?
in the FST register to 0)
in the FST register to 0)
in the FST register to 0)
blank check error
Erase command
Program error
Erase error/
or
or
Yes
Yes
Yes
(1)
No
No
No
FST4, FST5: Bits in FST register
FMR13: Bits in FMR1 register
The erasure target block
Set FMR13 bit to 1
Set FMR13 bit to 1
cannot be used
32. Flash Memory
Page 660 of 740