CHAPTER 26 FLASH MEMORY
User’s Manual U16899EJ2V0UD
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26.7.2 Flash memory programming mode
To rewrite the contents of the flash memory by using the dedicated flash programmer, set the 78K0/KE1+ 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 26-16. 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
Table 26-7. Relationship Between FLMD0, FLMD1 Pins and Operation Mode After Reset Release
FLMD0 FLMD1
Operation
Mode
0
Any
Normal operation mode
V
DD
0
Flash memory programming mode
V
DD
V
DD
Setting
prohibited