Renesas H8SX/1520 Series Hardware Manual page 631

Bit Bit Name
4 FK
3 EB

2, 1
0 SF
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Initial
Value R/W Description

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)

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
 
Unused
These bits return 0.

R/W Success/Fail
Indicates the erasure result.
0: Erasure has ended normally (no error)
1: Erasure has ended abnormally (error occurs)
Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Rev. 3.00 Mar. 14, 2006 Page 593 of 804
REJ09B0104-0300