H8S2125 Datasheet, PDF (581/700 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Section 19 Flash Memory (0.18-µm F-ZTAT Version)
Command
H'4A
• Command, H'4A (1 byte): Sum check for user boot MAT
Response
H'5A Size Checksum of MAT
SUM
• Response, H'5A (1 byte): Response to the checksum of user boot MAT
• Size (1 byte): The number of characters that represents the checksum.
Fixed at 4.
• Checksum of MAT (4 bytes): Checksum of user boot MATs.
The total amount of data is obtained in byte units.
• SUM (1 byte): Checksum (for transmit data)
(13) User MAT Sum Check
The boot program will return the total amount of bytes of the user MAT contents in response to
the user MAT sum check command.
Command
H'4B
• Command, H'4B (1 byte): Checksum for user MAT
Response
H'5B Size Checksum of MAT
SUM
• Response, H'5B (1 byte): Response to the checksum of the user MAT
• Size (1 byte): The number of characters that represents the checksum.
Fixed at 4.
• Checksum of MAT (4 bytes): Checksum of user MATs.
The total amount of data is obtained in byte units.
• SUM (1 byte): Checksum (for transmit data)
(14) User Boot MAT Blank Check
The boot program will check whether or not all user boot MATs are blank and return the result in
response to the user boot MAT blank check command.
Command
H'4C
• Command, H'4C (1 byte): Blank check for user boot MATs
Response
H'06
• Response, H'06 (1 byte): Response to blank check of user boot MATs.
If all user boot MATs are blank (H'FF), the boot program will return ACK.
Rev. 1.00 Sep. 21, 2006 Page 543 of 658
REJ09B0310-0100