R5F72115D160FPV datasheet(991/1228 Pages) RENESAS

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Section 21 Flash Memory

Rev. 2.00 May. 08, 2008 Page 967 of 1200

REJ09B0344-0200

(7)

Programming/Erasure State

In this state, the boot program must select the form of programming corresponding to the

programming-selection command and then write data in response to 256-byte programming

commands, or perform erasure in block units in response to the erasure-selection and block-

erasure commands.

The programming and erasure commands are listed in table 21.13.

Table 21.13 Programming and Erasure Commands

Command

Command Name

Function

H'42

Selection of user boot

MAT programming

Selects transfer of the program for user boot MAT

programming.

H'43

Selection of user MAT

programming

Selects transfer of the program for user MAT programming.

H'50

256-byte programming

Executes 256-byte programming.

H'48

Erasure selection

Selects transfer of the erasure program.

H'58

Block erasure

Executes erasure of the specified block.

H'52

Memory read

Reads from memory.

H'4A

Sum checking of user

boot MAT

Executes sum checking of the user boot MAT.

H'4B

Sum checking of user

MAT

Executes sum checking of the user MAT.

H'4C

Blank checking of user

boot MAT

Executes blank checking of the user boot MAT.

H'4D

Blank checking of user

MAT

Executes blank checking of the user MAT.

H'4F

Inquiry on boot

program state

Requests information on the state of boot processing.

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