SH7055S Datasheet, PDF(852/1002 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

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SH7055S Datasheet, PDF (852/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

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ï£§ Size (one byte): Number of bytes that represents the number of types, minimum values, and

maximum values of operating clock frequencies.

ï£§ Number of types (one byte): Number of supported operating clock frequency types

(e.g. when there are two operating clock frequency types, which are the main and

peripheral clocks, the number of types will be H'02)

ï£§ Minimum value of operating clock frequency (two bytes): Minimum value for each

multiplied or divided clock frequency.

The minimum and maximum values represent the values in MHz, valid to the hundredths

place of MHz, and multiplied by 100. (e.g. when the value is 20.00 MHz, it will be

multiplied by 100 to be 2000 which is H'07D0)

ï£§ Maximum value of operating clock frequency (two bytes): Maximum value for each

multiplied or divided clock frequency.

There are as many pairs of minimum and maximum values as there are operating clock

frequencies.

ï£§ SUM (one byte): Checksum

(7) User Boot MAT Information Inquiry

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

Command H'24

ï£§ Command: H'24 (one byte): Inquiry regarding user boot MAT information

Response H'34 Size Number of areas

Start address of area

Last address of area

...

SUM

ï£§ Response: H'34 (one byte): Response to user boot MAT information inquiry

ï£§ Size (one byte): Amount of data that represents the number of areas, the start address of

each area, and the last address of each area

ï£§ Number of areas (one byte): Number of non-consecutive user boot MAT areas

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

ï£§ Start address of area (four bytes): Start address of the area

ï£§ Last address of area (four bytes): Last address of the area

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

areas.

ï£§ SUM (one byte): Checksum

(8) User MAT Information Inquiry

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

Command H'25

ï£§ Command: H'25 (one byte): Inquiry regarding user MAT information

Rev.2.0, 07/03, page 814 of 960

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