upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 345

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

21.6 Programming Method
21.6.1 Controlling flash memory
21.6.2 Flash memory programming mode
flash memory programming mode. To set the mode, set the FLMD0 pin to V
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 78K0/KB1+ in the
Change the mode by using a jumper when writing the flash memory on-board.
RESET
FLMD0
FLMD1
V
DD
FLMD0 pulse supply
Figure 21-14. Flash Memory Manipulation Procedure
5.5 V
Figure 21-15. Flash Memory Programming Mode
V
V
V
0 V
0 V
0 V
0 V
DD
DD
DD
CHAPTER 21 FLASH MEMORY
User’s Manual U16846EJ3V0UD
Flash memory programming
mode is set
Selecting communication mode
Manipulate flash memory
Hi-Z
Flash memory programming mode
End?
Start
End
Yes
FLMD0 pulse
DD
and clear the reset signal.
No
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