R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 609

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

17.2
When the mode pins are set in the reset state and reset start is performed, this LSI enters each
operating mode as shown in figure 17.2. Although the flash memory can be read in user mode, it
cannot be programmed or erased. The flash memory can be programmed or erased in boot mode,
user program mode, user boot mode, and programmer mode. The differences between boot mode,
user program mode, user boot mode, and programmer mode are shown in table 17.1.
ROM disabled mode
Notes: * In this LSI, the user program mode is defined as the period from the timing when a program
RAM emulation can be
available
User mode
1. Programming and erasure is started.
2. Programing and erasure is completed.
Mode Transition Diagram
concerning programming and erasure is started in user mode to the timing when the program is
completed.
ROM disabled mode
setting
RES
Figure 17.2 Mode Transition of Flash Memory
*
*
2
1
0
User program
mode
Reset state
Section 17 Flash Memory (0.18-(m F-ZTAT Version)
User boot
Programmer mode setting
mode
Rev. 3.00 Mar. 14, 2006 Page 571 of 804
RES
On-board programming mode
0
REJ09B0104-0300
Boot mode
Programmer
mode