Bit 12—IRLS Enable (IRLSEN): Enables pins IRLS3–IRLS0. This bit is valid only when the
IRQLVL bit is 1.
Bit 12: IRLSEN Description
0
1
Pins IRLS3–IRLS0 disabled
Pins IRLS3–IRLS0 enabled
(Initial value)
Bits 11 and 10—IRQ5 Sense Select (IRQ51S, IRQ50S): Select whether the interrupt signal to
the IRQ5 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 11: IRQ51S Bit 10: IRQ50S Description
0
1
0
An interrupt request is detected at IRQ5 input falling edge
(Initial value)
1
0
1
An interrupt request is detected at IRQ5 input rising edge
An interrupt request is detected at IRQ5 input low level
Reserved
Bits 9 and 8—IRQ4 Sense Select (IRQ41S, IRQ40S): Select whether the interrupt signal to the
IRQ4 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 9: IRQ41S Bit 8: IRQ40S Description
0
1
0
An interrupt request is detected at IRQ4 input falling edge
(Initial value)
1
0
1
An interrupt request is detected at IRQ4 input rising edge
An interrupt request is detected at IRQ4 input low level
Reserved
Bits 7 and 6—IRQ3 Sense Select (IRQ31S, IRQ30S): Select whether the interrupt signal to the
IRQ3 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 7: IRQ31S Bit 6: IRQ30S Description
0
1
0
An interrupt request is detected at IRQ3 input falling edge
(Initial value)
1
0
1
An interrupt request is detected at IRQ3 input rising edge
An interrupt request is detected at IRQ3 input low level
Reserved
Rev. 5.00, 09/03, page 134 of 760
RENESAS [ RENESAS TECHNOLOGY CORP ]
