SH7125_08 Datasheet, PDF(669/774 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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SH7125_08 Datasheet, PDF (669/774 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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Section 17 Flash Memory

(1) Select erasure

In response to the erasure selection command, the boot program transfers the program that

performs erasure, i.e. erases data in the user MAT.

Command H'48

ï£§ Command H'48 (1 byte): Selects erasure.

Response H'06

ï£§ Response H'06 (1 byte): Response to selection of erasure

This ACK code is returned after transfer of the program that performs erasure.

Error

response

H'C8

ERROR

ï£§ Error response H'C8 (1 byte): Error response to selection of erasure

ï£§ ERROR (1 byte): Error code

H'54: Error in selection processing (processing was not completed because of a transfer

error.)

(2) Block erasure

In response to the block erasure command, the boot program erases the data in a specified block of

the user MAT.

Command H'58

Size

Block number

SUM

ï£§ Command H'58 (1 byte): Erasure of a block

ï£§ Size (1 byte): The number of characters in the block number field (fixed at 1)

ï£§ Block number (1 byte): Block number of the block to be erased

ï£§ SUM (1 byte): Checksum

Response H'06

ï£§ Response H'06 (1 byte): Response to the block erasure command

This ACK code is returned when the block has been erased.

Rev. 4.00 Jul. 25, 2008 Page 649 of 750

REJ09B0243-0400

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