UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 454

• 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

18.1 Functions of Key Interrupt
edge to the key interrupt input pins (KR0, KR3, and KR4).
18.2 Configuration of Key Interrupt
454
A key interrupt (INTKR) can be generated by setting the key return mode register (KRM) and inputting a falling
The key interrupt includes the following hardware.
KR4
KR3
KR0
0
0
Key return mode register (KRM)
0
Control register
KRM4 KRM3
Table 18-1. Assignment of Key Interrupt Detection Pins
KRM0
KRM3
KRM4
CHAPTER 18 KEY INTERRUPT FUNCTION
Item
Flag
Figure 18-1. Block Diagram of Key Interrupt
Table 18-2. Configuration of Key Interrupt
0
User’s Manual U18698EJ1V0UD
Controls KR0 signal in 1-bit units.
Controls KR3 signal in 1-bit units.
Controls KR4 signal in 1-bit units.
Key return mode register (KRM)
0
KRM0
Description
Configuration
INTKR