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Section 24 Flash Memory
(1)
Download Pass and Fail Result Parameter (DPFR: Single Byte of Start Address in On-
Chip RAM Specified by FTDAR)
DPFR indicates the return value of the download result. The DPFR value is used to determine the
download result.
Bit
Bit Name
7 to 3
2
SS
1
FK
0
SF
Rev. 1.00 May 09, 2008 Page 734 of 954
REJ09B0462-0100
Initial
Value
R/W
R/W
R/W
R/W
Description
Unused
These bits return 0.
Source Select Error Detect
Only one type can be specified for the on-chip program
which can be downloaded. When the program to be
downloaded is not selected, more than two types of
programs are selected, or a program which is not
mapped is selected, an error occurs.
0: Download program selection is normal.
1: Download program selection is abnormal.
Flash Key Register Error Detect
Checks the FKEY value (H'A5) and returns the result.
0: FKEY setting is normal. (H'A5)
1: FKEY setting is abnormal. (value other than H'A5)
Success/Fail
Returns the download result. Reads back the program
downloaded to the on-chip RAM and determines
whether it has been transferred to the on-chip RAM.
0: Download of the program has ended normally. (no
error)
1: Download of the program has ended abnormally.
(error occurs)
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