R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 693
R5F61525
Manufacturer Part Number
R5F61525
Description
32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F61525.pdf
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The boot program will return the byte-by-byte total of the contents of the bytes of the user-boot
program, as a four-byte value.
Command
• Command, H'4A, (one byte): Sum check for user-boot program
Response
• Response, H'5A, (one byte): Response to the sum check of user-boot program
• Size (one byte): The number of bytes that represents the checksum
• Checksum of user boot program (four bytes): Checksum of user boot MATs
• SUM (one byte): Sum check for data being transmitted
(h) User-Program Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user
program.
Command
• Command, H'4B, (one byte): Sum check for user program
Response
• Response, H'5B, (one byte): Response to the sum check of the user program
• Size (one byte): The number of bytes that represents the checksum
• Checksum of user boot program (four bytes): Checksum of user MATs
• SUM (one byte): Sum check for data being transmitted
(i)
The boot program will check whether or not all user boot MATs are blank and return the result.
Command
• Command, H'4C, (one byte): Blank check for user boot MAT
This is fixed to 4.
The total of the data is obtained in byte units.
This is fixed to 4.
The total of the data is obtained in byte units.
User-Boot Program Sum Check
User Boot MAT Blank Check
H'4A
H'4B
H'5B
H'4C
H'5A
Size
Size
Checksum of user boot program
Checksum of user program
Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Rev. 3.00 Mar. 14, 2006 Page 655 of 804
SUM
SUM
REJ09B0104-0300
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