CHAPTER 21 FLASH MEMORY
Preliminary User’s Manual U16846EJ1V0UD
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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.
Figure 21-14. Flash Memory Manipulation Procedure
Start
Selecting communication mode
Manipulate flash memory
End?
Yes
FLMD0 pulse supply
No
End
Flash memory programming
mode is set
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
DD
and clear the reset signal.
Change the mode by using a jumper when writing the flash memory on-board.
Figure 21-15. Flash Memory Programming Mode
V
DD
RESET
5.5 V
0 V
V
DD
0 V
Flash memory programming mode
V
DD
0 V
FLMD0
FLMD0 pulse
Hi-Z
V
DD
0 V
FLMD1