SH7146 Datasheet, PDF (785/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 19 Flash Memory
Start user procedure
program for
programming/erasing.
Select on-chip program
to be downloaded and
set download destination
Download on-chip
program by setting VBR,
FKEY, and SCO bits.
Initialization execution
(on-chip program execution)
Programming (in 128-byte
units) or erasing (in
one-block units)
(on-chip program execution)
No
Programming/
erasing
completed?
Yes
End user procedure
program
Figure 19.5 Overview of User Procedure Program
(1) Selection of On-Chip Program to be Downloaded and Setting of Download Destination
This LSI has programming/erasing programs and they 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 registers. The download destination can be specified by
FTDAR.
Rev. 3.00 May 17, 2007 Page 741 of 974
REJ09B0229-0300