Flash Memory Programming Mode - NEC mPD78F0730 Preliminary User's Manual

19.7.2 Flash memory programming mode

To rewrite the contents of the flash memory by using the dedicated flash memory programmer, set the
µ
PD78F0730 in the flash memory programming mode. To set the mode, set the FLMD0 pin to V
signal.
Change the mode by using a jumper when writing the flash memory on-board.
Table 19-4. Relationship Between FLMD0 Pin and Operation Mode After Reset Release
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CHAPTER 19 FLASH MEMORY
Figure 19-13. Flash Memory Programming Mode
5.5 V
V
DD
0 V
V
DD
RESET
0 V
V
DD
FLMD0
0 V
FLMD0
0 Normal operation mode
V Flash memory programming mode
DD
Preliminary User's Manual U19014EJ1V0UD
FLMD0 pulse
Flash memory programming mode
Operation Mode
and clear the reset
DD