Programming/Erasing Interface; Figure 21.5 Overview Of User Procedure Program - Renesas H8S Series Hardware Manual

Section 21 Flash Memory (0.18-µm F-ZTAT Version)
21.1.5

Programming/Erasing Interface

Programming/erasing is executed by downloading the on-chip program to the on-chip RAM and
specifying the program address/data and erase block by using the interface register/parameter.
The procedure program is made by the user in user program mode and user boot mode. An
overview of the procedure is given as follows. For details, see section 21.4.2, User Program Mode.
Rev. 3.00 Jul. 14, 2005 Page 742 of 986
REJ09B0098-0300
Start user procedure
program for programming/erasing
Select on-chip program to be
specify the destination
Download on-chip program
by setting the FKEY and SCO bits
Initialization execution
(downloaded program execution)
Programming (in 128-byte units)
or erasing (in one-block units)
(downloaded program execution)
Programming/erasing
No
End user procedure

Figure 21.5 Overview of User Procedure Program

downloaded and
completed?
Yes
program