Datasheet

Section 22 Flash Memory
Rev. 3.00 Sep. 28, 2009 Page 698 of 910
REJ09B0350-0300
Bit Bit Name
Initial
Value R/W Description
4 FK ⎯ R/W Flash Key Register Error Detect
Checks the FKEY value (H'5A) before erasure starts,
and returns the result.
0: FKEY setting is normal (H'5A)
1: FKEY setting is abnormal (value other than H'5A)
3 EB ⎯ R/W Erase Block Select Error Detect
Checks whether the specified erase block number is in
the block range of the user MAT, and returns the result.
0: Setting of erase block number is normal
1: Setting of erase block number is abnormal
2, 1 ⎯ ⎯ ⎯ Unused
These bits return 0.
0 SF ⎯ R/W Success/Fail
Indicates the erasure result.
0: Erasure has ended normally (no error)
1: Erasure has ended abnormally (error occurs)