p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 568

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 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.
• SUM (1 byte): Checksum
(i)
The boot program will return the number of erased blocks and their addresses in response to the
erased block information inquiry command.
Command
• Command, H'26 (1 byte): Inquiry regarding erased block information
Response
• 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,
• 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
• SUM (1 byte): Checksum
(j)
The boot program will return the programming unit used to program data in response to the
programming unit inquiry command.
Command
• Command, H'27 (1 byte): Inquiry regarding programming unit
Response
• 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.
Rev. 1.00 Sep. 21, 2006 Page 530 of 658
REJ09B0310-0100
There are as many groups of data representing the start and last addresses as there are areas.
and block last address.
There are as many groups of data representing the start and last addresses as there are blocks.
This is the unit for reception of program data.
Erased Block Information Inquiry
Programming Unit Inquiry
H'26
H'36
Block start address
···
SUM
H'27
H'37
Size
Size
Number of blocks
Programming unit
SUM
Block last address