Bits 7 to 0: Wakeup interrupt request flags (IWPF7 to IWPF0)
Bit n
IWPFn
Description
0
Clearing conditions:
(initial value)
When IWPFn= 1, it is cleared by writing 0
1
Setting conditions:
When pin WKPn is designated for wakeup input and a rising or falling edge is input at
that pin
(n = 7 to 0)
7. Wakeup Edge Select Register (WEGR)
Bit
7
6
5
4
3
2
1
0
WKEGS7 WKEGS6WKEGS5WKEGS4WKEGS3WKEGS2 WKEGS1WKEGS0
Initial value
Read/Write
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
WEGR is an 8-bit read/write register that specifies rising or falling edge sensing for pins WKPn.
WEGR is initialized to H'00 by a reset.
Bit n: WKPn edge select (WKEGSn)
Bit n selects WKPn pin input sensing.
Bit n
WKEGSn
Description
0
1
WKPn pin falling edge detected
WKPn pin rising edge detected
(initial value)
(n = 7 to 0)
77
ETC [ ETC ]
