H8SXSLASH1663 datasheet(1004/1158 Pages) RENESAS

1004 / 1158 page

Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 952 of 1102

REJ09B0294-0100

Error Response

H'D2

ERROR

• Error response: H'D2 (1 byte): Error response to memory read

• ERROR: (1 byte): Error code

H'11: Sum check error

H'2A: Address error

The read address is not in the MAT.

H'2B: Size error

The read size exceeds the MAT.

(f)

User-Program Sum Check

The boot program will return the byte-by-byte total of the contents of the bytes of the user

program.

Command

H'4B

• Command, H'4B, (one byte): Sum check for user program

Response

H'5B

Size

Checksum of user program

SUM

• Response, H'5B, (one byte): Response to the sum check of the user program

• Size (one byte): The number of bytes that represents the checksum

This is fixed to 4.

• Checksum of user boot program (four bytes): Checksum of user MATs

The total of the data is obtained in byte units.

• SUM (one byte): Sum check for data being transmitted

(g) User MAT Blank Check

The boot program will check whether or not all user MATs are blank and return the result.

Command

H'4D

• Command, H'4D, (one byte): Blank check for user MATs

Response

H'06

• Response, H'06, (one byte): Response to the blank check for user MATs

If the contents of all user MATs are blank (H'FF), the boot program will return ACK.

Error Response

H'CD

H'52

• Error Response, H'CD, (one byte): Error response to the blank check of user MATs.

• Error code, H'52, (one byte): Erasure has not been completed.

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