H8S2472 Datasheet, PDF (1045/1250 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2400 Series

Section 25 Flash Memory
• Area-last address (4 bytes): Last address of the area
There are as many groups of data representing the start and last addresses as there are areas.
• SUM (1 byte): Checksum
(i) Erased Block Information Inquiry
The boot program will return the number of erased blocks and their addresses.
Command H'26
• Command, H'26, (1 byte): Inquiry regarding erased block information
Response H'36 Size Number of blocks
Block start address
Block last address
···
SUM
• Response, H'36, (1 byte): Response to the number of erased blocks and addresses
• Size (three bytes): The number of bytes that represents the number of blocks, block-start
addresses, and block-last addresses.
• Number of blocks (1 byte): The number of erased blocks
• Block start address (4 bytes): Start address of a block
• Block last Address (4 bytes): Last address of a block
There are as many groups of data representing the start and last addresses as there are areas.
• SUM (1 byte): Checksum
(j) Programming Unit Inquiry
The boot program will return the programming unit used to program data.
Command H'27
• Command, H'27, (1 byte): Inquiry regarding programming unit
Response H'37 Size Programming unit SUM
• Response, H'37, (1 byte): Response to programming unit inquiry
• Size (1 byte): The number of bytes that indicate the programming unit, which is fixed to 2
• Programming unit (2 bytes): A unit for programming
This is the unit for reception of programming.
• SUM (1 byte): Checksum
Rev. 2.00 Aug. 20, 2008 Page 997 of 1198
REJ09B0403-0200