Renesas H8S/2318 series, Hardware Manual

Page: 713 / 1121

Rev. 5.00, 12/03, page 683 of 1088
Bit : 7 6 5 4 3 2 1 0
0 0 0 0 0 SS FK SF
Initial value : — — — — — — — —
R/W : — — — — — R/W R/W R/W
Bits 7 to 3—Reserved: Return 0.
Bit 2—Source Select Error Detect (SS): The on-chip program which can be downloaded can be
specified only one type. When more than two types of the program are selected, the program is not
selected, or the program is selected without mapping, error is occurred.
Bit 2
SS Description
0 Download program can be selected normally
1 Download error is occurred (Multi-selection or program which is not mapped is
selected)
Bit 1—Flash Key Register Error Detect (FK): Returns the check result whether the value of
FKEY is set to H'A5.
Bit 1
FK Description
0 FKEY setting is normal (FKEY = H'A5)
1 Setting value of FKEY becomes error (FKEY = value other than H'A5)
Bit 0—Success/Fail (SF): Returns the result whether download is ended normally or not. The
judgement result whether program that is downloaded to the on-chip RAM is read back and then
transferred to the on-chip RAM is returned.
Bit 0
SF Description
0 Downloading on-chip program is ended normally (no error)
1 Downloading on-chip program is ended abnormally (error occurs)