h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 477

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

(h) User MAT Information Inquiry
The boot program will return the number of user MATs and their addresses.
• Command, H'25, (one byte): Inquiry regarding user MAT information
• Response, H'35, (one byte): Response to the user MAT information inquiry
• Size (one byte): The number of bytes that represents the number of areas, area-start address
• Number of areas (one byte): The number of consecutive user MAT areas
• Area-start address (four bytes): Start address of the area
• Area-last address (four bytes): Last address of the area
• SUM (one byte): Checksum
(i) Erased Block Information Inquiry
The boot program will return the number of erased blocks and their addresses.
• Command, H'26, (two bytes): Inquiry regarding erased block information
• Response, H'36, (one 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
• Number of blocks (one byte): The number of erased blocks
• Block start address (four bytes): Start address of a block
• Block last Address (four bytes): Last address of a block
• SUM (one byte): Checksum
Command
Response
Command
Response
and area-last address
When the user MAT areas are consecutive, the number of areas is H'01.
There are as many groups of data representing the start and last addresses as there are areas.
addresses, and block-last addresses.
There are as many groups of data representing the start and last addresses as there are areas.
H'25
H'35
Start address area
···
SUM
H'26
H'36
Block start address
···
SUM
Size
Size
Number of blocks
Number of areas
Last address area
Block last address
Rev. 2.00, 03/04, page 445 of 534