Figure 21.24 Erasure Sequence - Renesas H8S Series Hardware Manual

Section 21 Flash Memory (0.18-µm F-ZTAT Version)
Repeat
(a) Erasure Selection
The boot program will transfer the erasing program in response to the erasure selection command.
User MAT data is erased by the transferred erasing program.
Command H'48
• Command, H'48 (1 byte): Erasure selection
Response H'06
• Response, H'06 (1 byte): Response to erasure selection.
After the erasing program has been transferred, the boot program will return ACK.
Error Response H'C8
• Error response, H'C8 (1 byte): Error response to erasure selection
• ERROR (1 byte): Error code
H'54: Selection processing error (transfer error occurs and processing is not
completed)
(b) Block Erasure
The boot program will erase the contents of the specified block in response to the block erasure
command.
Rev. 3.00 Jul. 14, 2005 Page 818 of 986
REJ09B0098-0300
Host
Preparation for erasure (H'48)
Erasure (Erase-block number)

Figure 21.24 Erasure Sequence

ERROR
ACK
ACK
Erasure (H'FF)
ACK
Boot program
Transfer of erasure
program
Erasure