r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 1002

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 22 Flash Memory
• Sum checking of the user boot MAT
In response to the command for sum checking of the user boot MAT, the boot program adds all
bytes of data in the user boot MAT and returns the result.
• Sum checking of the user MAT
In response to the command for sum checking of the user MAT, the boot program adds all bytes of
data in the user MAT and returns the result.
Rev. 1.00 Sep. 21, 2007 Page 976 of 1124
REJ09B0402-0100
Command
Response
Command
Response
 Command H'4A (1 byte): Sum checking of the user boot MAT
 Response H'5A (1 byte): Response to sum checking of the user boot MAT
 Size (1 byte): The number of characters in the checksum for the MAT (fixed at 4)
 Checksum for the MAT (4 bytes): Result of checksum calculation for the user boot MAT:
 SUM (1 byte): Checksum (for the transmitted data)
 Command H'4B (1 byte): Sum checking of the user MAT
 Response H'5B (1 byte): Response to sum checking of the user MAT
 Size (1 byte): The number of characters in the checksum for the MAT (fixed at 4)
 Checksum for the MAT (4 bytes): Result of checksum calculation for the user MAT:
 SUM (1 byte): Checksum (for the transmitted data)
the total of all data in the MAT, in byte units.
the total of all data in the MAT, in byte units.
H'4A
H'5A
H'4B
H'5B
Size
Size
Checksum for the MAT
Checksum for the MAT
SUM
SUM