Renesas RL78/G10 User Manual

RL78/G10 CHAPTER 15 KEY INTERRUPT FUNCTION
R01UH0384EJ0311 Rev. 3.11 516
Dec 22, 2016
CHAPTER 15 KEY INTERRUPT FUNCTION
15.1 Functions of Key Interrupt
A key interrupt (INTKR) can be generated by setting the key return mode register (KRM) and inputting a rising
edge/falling edge to the key interrupt input pins (KR0 to KR5).
Table 15-1. Assignment of Key Interrupt Detection Pins
Key Interrupt Pins Key return mode registers
(KRM0)
Key return flag register
(KRF)
KR0 KRM00 KRF0
KR1 KRM01 KRF1
KR2 KRM02 KRF2
KR3 KRM03 KRF3
KR4 KRM04 KRF4
KR5 KRM05 KRF5
15.2 Configuration of Key Interrupt
The key interrupt includes the following hardware.
Table 15-2. Configuration of Key Interrupt
Item Configuration
Control register Key return control register (KRCTL)
Key return mode register (KRM0)
Key return flag register (KRF)
Port mode control register 0 (PMC0)
Port mode registers 0, 4 (PM0, PM4)

Renesas RL78/G10 Specifications

General

Brand	Renesas
Model	RL78/G10
Category	Motherboard
Language	English