
GMS81508/16
25
R40/INT0
or
R42/INT2
Rising Edge
Falling Edge
Both Edge
Period
“H”Width
“L”Width
Timer Operation
the counting value of timer is latched
timer is cleared to 00H
timer restart count-up
PORT R4 MODE REGISTER
<00D0
H
>
PMR4
7
T3S
6
T1S
5
EC2S
4
EC0S
3
INT3S
2
INT2S
1
INT1S
0
INT0S
W
W
W
W
W
W
W
W
R44/ EC0 Selection
0 : R44 ( Input / Output )
1 : EC0 ( Input )
R45/ EC2 Selection
0 : R45 ( Input / Output )
1 : EC2 ( Input )
R47 / T3 Selection
0 : R47 ( Input / Output )
1 : T3 ( Output )
R46 / T1 Selection
0 : R46 ( Input / Output )
1 : T1 ( Output )
R40 / INT0 Selection
0 : R40 ( Input / Output )
1 : INT0 ( Input )
R42 / INT2 Selection
0 : R42 ( Input / Output )
1 : INT2 ( Input )