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21.6 Programming Method
21.6.1 Controlling flash memory
The following figure illustrates the procedure to manipulate the flash memory.
21.6.2 Flash memory programming mode
To rewrite the contents of the flash memory by using the dedicated flash programmer, set the 78K0/KB1+ in the
flash memory programming mode. To set the mode, set the FLMD0 pin to V
Change the mode by using a jumper when writing the flash memory on-board.
V
RESET
FLMD0
FLMD1
346
CHAPTER 21 FLASH MEMORY
Figure 21-14. Flash Memory Manipulation Procedure
Flash memory programming
FLMD0 pulse supply
mode is set
Selecting communication mode
Figure 21-15. Flash Memory Programming Mode
5.5 V
DD
0 V
V
DD
0 V
V
DD
0 V
V
DD
0 V
Preliminary User's Manual U16846EJ1V0UD
Start
Manipulate flash memory
End?
Yes
End
and clear the reset signal.
DD
FLMD0 pulse
Hi-Z
Flash memory programming mode
No
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