upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 408

• Manufacturer Part Number: upd78f0124m6gba1-8et
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

25.6 Programming Method
25.6.1 Controlling flash memory
25.6.2 Flash memory programming mode
flash memory programming mode. To set the mode, set the V
408
The following figure illustrates the procedure to manipulate the flash memory.
To rewrite the contents of the flash memory by using the dedicated flash programmer, set the
Change the mode by using a jumper when writing the flash memory on-board.
V
PP
RESET
10.0 V
V
V
DD
SS
10.0 V
V
V
PP
SS
V
Figure 25-17. Flash Memory Manipulation Procedure
PP
Figure 25-18. Flash Memory Programming Mode
pulse supply
Normal operation mode
Flash memory programming mode
CHAPTER 25
User’s Manual U16315EJ3V1UD
Flash memory programming
mode is set
Selecting communication mode
Manipulate flash memory
Operation mode
PD78F0124
PP
End?
Start
End
pin and clear the reset signal.
Yes
Flash memory programming mode
1
No
V
2
PP
pulse
• • •
µ
PD78F0124 in the
n