H8SXSLASH1663 datasheet(945/1158 Pages) RENESAS

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Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 893 of 1102

REJ09B0294-0100

(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

Bit

Bit Name

Initial

Value

R/W

Description

7 to 3



Unused

These bits return 0.



R/W

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



R/W

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)



R/W

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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