HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 792

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

RAM or external memory. When the program is located in external memory, an instruction for
programming the flash memory and the following instruction should be located in on-chip RAM.
Figure 19.13 shows the procedure for executing the program/erase control program when
transferred to on-chip RAM.
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REJ09B0245-0400
Note: The watchdog timer should be activated to prevent overprogramming or overerasing
due to program runaway, etc.
Figure 19.13 User Program Mode Execution Procedure
Write the transfer program
(and the program/erase control
program if necessary) beforehand
Branch to flash memory application
program (flash memory rewriting)
Branch to program/erase control
Transfer program/erase control
Execute program/erase control
MD2, MD1, MD0 = 110, 111
program in RAM area
program to RAM
Reset-start
program