SH7080_09 Datasheet, PDF (1361/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 23 Flash Memory
• 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 128-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 23.14.
Table 23.14 Programming and Erasure Commands
Command
H'42
H'43
H'50
H'48
H'58
H'52
H'4A
H'4B
H'4C
H'4D
H'4F
Command Name
Function
Selection of user boot Selects transfer of the program for user boot MAT
MAT programming
programming.
Selection of user MAT Selects transfer of the program for user MAT programming.
programming
128-byte programming Executes 128-byte programming.
Erasure selection
Selects transfer of the erasure program.
Block erasure
Executes erasure of the specified block.
Memory read
Reads from memory.
Sum checking of user Executes sum checking of the user boot MAT.
boot MAT
Sum checking of user Executes sum checking of the user MAT.
MAT
Blank checking of user Executes blank checking of the user boot MAT.
boot MAT
Blank checking of user Executes blank checking of the user MAT.
MAT
Inquiry on boot
program state
Requests information on the state of boot processing.
Rev. 4.00 Dec. 15, 2009 Page 1301 of 1558
REJ09B0181-0400