D12320VF25V Datasheet, PDF (750/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
Bit 4—Flash Key Register Error Detect (FK): Returns the check result of FKEY value before
start of the erasing processing.
Bit 4
FK
0
1
Description
FKEY setting is normal (FKEY = H'5A)
FKEY setting is error (FKEY = value other than H'5A)
Bit 3—Erase Block Select Error Detect (EB): Returns the check result whether the specified
erase-block number is in the block range of the user MAT.
Bit 3
EB
0
1
Description
Setting of erase-block number is normal
Setting of erase-block number is abnormal
Bits 2 and 1—Reserved: Return 0.
Bit 0—Success/Fail (SF): Indicates whether the erasing processing is ended normally or not.
Bit 0
SF
0
1
Description
Erasure is ended normally (no error)
Erasure is ended abnormally (error occurs)
Rev.7.00 Feb. 14, 2007 page 716 of 1108
REJ09B0089-0700