h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 521

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Figure 19.6 Programming/Erasing Flowchart Example in User Program Mode
Note: *
Branch to user program/erase control
Transfer user program/erase control
Execute user program/erase control
Branch to flash memory application
Do not constantly apply a high level to the FWE pin. Only apply a high level to the FWE pin
when programming or erasing the flash memory. To prevent excessive programming or
erasing, while a high level is being applied to the FWE pin, activate the watchdog timer in
case of handling CPU runaways.
program (flash memory rewrite)
program to RAM
program in RAM
Program/erase?
FWE = high*
Reset-start
Clear FWE
program
Yes
No
Branch to flash memory application
Rev. 3.00 Oct 04, 2005 page 481 of 598
program
REJ09B0155-0300
Section 19 ROM