Renesas H8 Series Hardware Manual page 131

Wakeup Interrupt Request Register (IWPR)
Bit 7
IWPF7
Initial value 0
R/(W) *
Read/Write
Note: * Only a write of 0 for flag clearing is possible
IWPR is an 8-bit read/write register containing wakeup interrupt request flags. When one of pins
to is designated for wakeup input and a rising or falling edge is input at that pin, the
W K P W K P
7 0
corresponding flag in IWPR is set to 1. A flag is not cleared automatically when the
corresponding interrupt is accepted. Flags must be cleared by writing 0.
Bits 7 to 0—Wakeup Interrupt Request Flags (IWPF7 to IWPF0)
Bit n
IWPFn Description
0 Clearing conditions:
When IWPFn= 1, it is cleared by writing 0
1 Setting conditions:
When pin
that pin
6 5
IWPF6 IWPF5
0 0
R/(W) * R/(W) *
is designated for wakeup input and a rising or falling edge is input at
W K P
n
Section 3 Exception Handling
4 3
IWPF4 IWPF3 IWPF2
0 0
R/(W) * R/(W) * R/(W) *
Rev. 7.00 Mar 10, 2005 page 89 of 652
2 1 0
IWPF1 IWPF0
0 0 0
R/(W) * R/(W) *
(initial value)
(n = 7 to 0)
REJ09B0042-0700