Technical information

R8C/14 Group, R8C/15 Group 11. Interrupt
Rev.2.10 Jan 19, 2006 Page 75 of 253
REJ09B0164-0210
Figure 11.18 KIEN Register
Key Input Enable Register
(1)
Symbol Address After Reset
KIEN
0098h 00h
Bit Symbol Bit Name Function RW
NOTES :
1.
RW
KI0 Input Polarity Select Bit 0 : Falling edge
1 : Rising edge
KI1 Input Enable Bit 0 : Disable
1 : Enable
b3 b2
RW
KI2EN RW
KI1PL
KI1 Input Polarity Select Bit 0 : Falling edge
1 : Rising edge
KI2 Input Enable Bit 0 : Disable
1 : Enable
b7 b6 b5 b4 b1 b0
The IR bit in the KUPIC register may be set to “1” (requests interrupt) w hen the KIEN register is rew ritten.
Ref er to
20.2.5 Changing Interrupt Factor.
KI1EN RW
KI3EN
KI3 Input Enable Bit
KI3PL RW
KI2PL
KI2 Input Polarity Select Bit 0 : Falling edge
1 : Rising edge
KI3 Input Polarity Select Bit 0 : Falling edge
1 : Rising edge
KI0EN RW
KI0PL RW
KI0 Input Enable Bit 0 : Disable
1 : Enable
RW
0 : Disable
1 : Enable