D12320VF25V Datasheet, PDF (747/1146 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 the value of FKEY
before the start of the programming 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—Reserved: Returns 0.
Bit 2—Write Data Address Detect (WD): When flash memory area is specified as the start
address of the storage destination of the program data, an error occurs.
Bit 2
WD
0
1
Description
Setting of write data address is normal
Setting of write data address is abnormal
Bit 1—Write Address Error Detect (WA): When the following area is specified as the start
address of the programming destination, an error occurs.
1. If the start address is outside the flash memory area
2. If the specified address is not a 128-byte boundary (A6 to A0 are not 0)
Bit 1
WA
0
1
Description
Setting of programming destination address is normal
Setting of programming destination address is abnormal
Bit 0—Success/Fail (SF): Indicates whether the program processing is ended normally or not.
Bit 0
SF
0
1
Description
Programming is ended normally (no error)
Programming is ended abnormally (error occurs)
Rev.7.00 Feb. 14, 2007 page 713 of 1108
REJ09B0089-0700