UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 517

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

24.6 Programming Method
24.6.1 Controlling flash memory
24.6.2 Flash memory programming mode
the flash memory programming mode. To set the mode, set the FLMD0 pin to V
The following figure illustrates the procedure to manipulate the flash memory.
To rewrite the contents of the flash memory by using the dedicated flash memory programmer, set the 78K0/LC3 in
Change the mode by using a jumper when writing the flash memory on-board.
Table 24-5. Relationship Between FLMD0 Pin and Operation Mode After Reset Release
RESET
FLMD0
V
DD
FLMD0 pulse supply
FLMD0
Figure 24-9. Flash Memory Manipulation Procedure
V
Figure 24-10. Flash Memory Programming Mode
5.5 V
0
DD
V
V
0 V
0 V
0 V
DD
DD
CHAPTER 24 FLASH MEMORY
User’s Manual U18698EJ1V0UD
Normal operation mode
Flash memory programming mode
Flash memory programming
mode is set
Selecting communication mode
Manipulate flash memory
Operation Mode
Flash memory programming mode
End?
Start
End
Yes
FLMD0 pulse
DD
and clear the reset signal.
No
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