HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 936

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 21 Flash Memory (0.18-μm F-ZTAT Version)
21.1.5
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.
1. Selection of on-chip program to be downloaded
Rev.7.00 Mar. 18, 2009 page 868 of 1136
REJ09B0109-0700
For programming/erasing execution, the FLSHE bit must be set to 1 to transition to user
program mode.
This LSI has programming/erasing programs which can be downloaded to the on-chip RAM.
The on-chip program to be downloaded is selected by setting the corresponding bits in the
programming/erasing interface register. The address of the programming destination is
specified by the FTDAR.
Programming/Erasing Interface
Figure 21.5 Overview of User Procedure Program
No
program for programming/erasing.
(downloaded program execution)
Programming (in 128-byte units)
(downloaded program execution)
by setting FKEY and SCO bits.
Select on-chip program to be
or erasing (in one-block units)
Download on-chip program
End user procedure
specify the destination.
Initialization execution
Start user procedure
Programming/erasing
downloaded and
completed?
program
Yes