 English |
|
|
|
|
|
|
|
| UPD78F0411GA-GAM-AX Datasheet, PDF (519/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
| |||
| ◁ |
CHAPTER 24 FLASH MEMORY
24.6 Programming Method
24.6.1 Controlling flash memory
The following figure illustrates the procedure to manipulate the flash memory.
Figure 24-9. Flash Memory Manipulation Procedure
Start
FLMD0 pulse supply
Flash memory programming
mode is set
Selecting communication mode
Manipulate flash memory
No
End?
Yes
End
24.6.2 Flash memory programming mode
To rewrite the contents of the flash memory by using the dedicated flash memory programmer, set the 78K0/LC3 in
the flash memory programming mode. To set the mode, set the FLMD0 pin to VDD and clear the reset signal.
Change the mode by using a jumper when writing the flash memory on-board.
Figure 24-10. Flash Memory Programming Mode
5.5 V
VDD
0V
VDD
RESET
0V
VDD
FLMD0
0V
FLMD0 pulse
Flash memory programming mode
Table 24-5. Relationship Between FLMD0 Pin and Operation Mode After Reset Release
FLMD0
0
VDD
Operation Mode
Normal operation mode
Flash memory programming mode
Userâs Manual U18698EJ1V0UD
517
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese