H8SXSLASH1663M datasheet(1217/1504 Pages) RENESAS

1217 / 1504 page

Section 25 Flash Memory

Rev. 2.00 Sep. 24, 2008 Page 1185 of 1468

REJ09B0412-0200

• Area-last address (four bytes): Last address of the area

There are as many groups of data representing the start and last addresses as there are areas.

• 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

• Command, H'26, (two bytes): Inquiry regarding erased block information

Response

H'36

Size

Number of blocks

Block start address

Block last address

···

SUM

• 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

addresses, and block-last addresses.

• 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

There are as many groups of data representing the start and last addresses as there are areas.

• SUM (one byte): Checksum

(j)

Programming Unit Inquiry

The boot program will return the programming unit used to program data.

Command

H'27

• Command, H'27, (one byte): Inquiry regarding programming unit

Response

H'37

Size

Programming unit

SUM

• Response, H'37, (one byte): Response to programming unit inquiry

• Size (one byte): The number of bytes that indicate the programming unit, which is fixed to 2

• Programming unit (two bytes): A unit for programming

This is the unit for reception of programming.

• SUM (one byte): Checksum

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