GMS81508A Datasheet, PDF (30/91 Pages) Hynix Semiconductor – USERS MANUAL

R40/INT0
or
R42/INT2
Rising Edge
Falling Edge
“H”Width
Period
“L”Width
Both Edge
Timer Operation
the counting value of timer is latched
timer is cleared to 00H
timer restart count-up
GMS81508/16

PORT R4 MODE REGISTER
PMR4
<00D0_H>
W
W
7
6
T3S T1S
R47 / T3 Selection
0 : R47 ( Input / Output )
1 : T3 ( Output )
R46 / T1 Selection
0 : R46 ( Input / Output )
1 : T1 ( Output )
W
W
W
W
W
W
5
4
3
2
1
0
EC2S EC0S INT3S INT2S INT1S INT0S
R44/ EC0 Selection
0 : R44 ( Input / Output )
1 : EC0 ( Input )
R45/ EC2 Selection
0 : R45 ( Input / Output )
1 : EC2 ( Input )
R40 / INT0 Selection
0 : R40 ( Input / Output )
1 : INT0 ( Input )
R42 / INT2 Selection
0 : R42 ( Input / Output )
1 : INT2 ( Input )
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