H8SXSLASH1663R datasheet(1223/1504 Pages) RENESAS

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Section 25 Flash Memory

Rev. 2.00 Sep. 24, 2008 Page 1191 of 1468

REJ09B0412-0200

(8)

Programming/Erasing State

A programming selection command makes the boot program select the programming method, a

128-byte programming command makes it program the memory with data, and an erasing

selection command and block erasing command make it erase the block. Table 25.16 lists the

programming/erasing commands.

Table 25.16 Programming/Erasing Commands

Command

Command Name

Description

H'42

User boot MAT programming selection Transfers the user boot MAT programming

program

H'43

User MAT programming selection

Transfers the user MAT programming

program

H'50

128-byte programming

Programs 128 bytes of data

H'48

Erasing selection

Transfers the erasing program

H'58

Block erasing

Erases a block of data

H'52

Memory read

Reads the contents of memory

H'4A

User boot MAT sum check

Checks the checksum of the user boot MAT

H'4B

User MAT sum check

Checks the checksum of the user MAT

H'4C

User boot MAT blank check

Checks the blank data of the user boot MAT

H'4D

User MAT blank check

Checks the blank data of the user MAT

H'4C

User boot MAT blank check

Checks whether the contents of the user

boot MAT are blank

H'4D

User MAT blank check

Checks whether the contents of the user

MAT are blank

H'4F

Boot program status inquiry

Inquires into the boot program's status

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