CHAPTER 26 FLASH MEMORY
Preliminary User’s Manual U17260EJ3V1UD
569
26.7 Programming Method
26.7.1 Controlling flash memory
The following figure illustrates the procedure to manipulate the flash memory.
Figure 26-12. Flash Memory Manipulation Procedure
Start
Selecting communication mode
Manipulate flash memory
End?
Yes
FLMD0 pulse supply
No
End
Flash memory programming
mode is set
26.7.2 Flash memory programming mode
To rewrite the contents of the flash memory by using the dedicated flash programmer, set the 78K0/KE2 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 26-13. Flash Memory Programming Mode
V
DD
RESET
5.5 V
0 V
V
DD
0 V
Flash memory programming mode
FLMD0
FLMD0 pulse
V
DD
0 V
Table 26-6. Relationship Between FLMD0 Pin and Operation Mode After Reset Release
FLMD0 Operation
Mode
0
Normal operation mode
V
DD
Flash memory programming mode