H8SXSLASH1663 datasheet(992/1158 Pages) RENESAS

992 / 1158 page

Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 940 of 1102

REJ09B0294-0100

(g) User MAT Information Inquiry

The boot program will return the number of user MATs and their addresses.

Command

H'25

• Command, H'25, (one byte): Inquiry regarding user MAT information

Response

H'35

Size

Number of areas

Start address area

Last address area

···

SUM

• 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

and area-last address

• Number of areas (one byte): The number of consecutive user MAT areas

When the user MAT areas are consecutive, the number of areas is H'01.

• Area-start address (four bytes): Start address of the area

• 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

(h) 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

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