p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 502

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Flash Memory (0.18-µm F-ZTAT Version)
19.1.5
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 19.4.2, User Program Mode.
Rev. 1.00 Sep. 21, 2006 Page 464 of 658
REJ09B0310-0100
Programming/Erasing Interface
Figure 19.5 Overview of User Procedure Program
No
by setting the FKEY and SCO bits
program for programming/erasing
(downloaded program execution)
Programming (in 128-byte units)
(downloaded program execution)
Select on-chip program to be
or erasing (in one-block units)
Download on-chip program
specify the destination
Initialization execution
Start user procedure
Programming/erasing
End user procedure
downloaded and
completed?
program
Yes