UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 515

• 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

24.5.3 RESET pin
the reset signal generator on the board, signal collision takes place. To prevent this collision, isolate the connection
with the reset signal generator.
memory will not be correctly programmed. Do not input any signal other than the reset signal of the dedicated flash
memory programmer.
24.5.4 Port pins
same status as that immediately after reset. If external devices connected to the ports do not recognize the port
status immediately after reset, the port pin must be connected to V
24.5.5 REGC pin
operation.
If the reset signal of the dedicated flash memory programmer is connected to the RESET pin that is connected to
If the reset signal is input from the user system while the flash memory programming mode is set, the flash
When the flash memory programming mode is set, all the pins not used for flash memory programming enter the
Connect the REGC pin to GND via a capacitor (0.47 to 1 F: recommended) in the same manner as during normal
78K0/LF3
RESET
In the flash memory programming mode, the signal output by the reset
signal generator collides with the signal output by the dedicated flash
memory programmer. Therefore, isolate the signal of the reset signal
generator.
Figure 24-8. Signal Collision (RESET Pin)
Signal collision
CHAPTER 24 FLASH MEMORY
User’s Manual U18698EJ1V0UD
Reset signal generator
Dedicated flash memory
programmer connection signal
Output pin
DD
or V
SS
via a resistor.
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