Renesas H8S Series Hardware Manual page 856

Section 21 Flash Memory (0.18-µm F-ZTAT Version)
• Area start address (4 bytes): Start address of the area
• 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 in response to the
erased block information inquiry command.
Command H'26
• Command, H'26 (1 byte): Inquiry regarding erased block information
Response H'36
Block start address
···
SUM
• Response, H'36 (1 byte): Response to the erased block information inquiry
• Size (2 bytes): The amount of data that represents the number of blocks, block start address,
and block last address.
• Number of blocks (1 byte): The number of erased blocks of flash memory
• 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 blocks.
• SUM (1 byte): Checksum
(j) Programming Unit Inquiry
The boot program will return the programming unit used to program data in response to the
programming unit inquiry command.
Command H'27
• Command, H'27 (1 byte): Inquiry regarding programming unit
Response H'37
• Response, H'37 (1 byte): Response to programming unit inquiry
• Size (1 byte): The number of characters that indicate the programming unit. Fixed at 2.
• Programming unit (2 bytes): A unit for programming.
This is the unit for reception of program data.
Rev. 3.00 Jul. 14, 2005 Page 808 of 986
REJ09B0098-0300
Size Number of blocks
Size Programming unit
Block last address
SUM