HYUNDAI MicroElectronics
GMS81C2012/GMS81C2020
This value is loaded to CDR0
n
T0
n-1
9
8
7
6
5
4
3
2
1
0
TIME
Ext. INT0 Pin
Interrupt Request
( INT0F )
Interrupt Interval Period
Ext. INT0 Pin
Interrupt Request
( INT0F )
Delay
Clear & Start
Capture
( Timer Stop )
Figure 12-9 Input Capture Operation
Ext. INT0 Pin
Interrupt Request
( INT0F )
Interrupt Interval Period = FF + 01 + FF +01 + 13 = 213
H
H
H
H
H
H
Interrupt Request
( T0F )
FF
FF
H
H
T0
13
H
00
00
H
H
Figure 12-10 Excess Timer Overflow in Capture Mode
MAR. 2000 Ver 1.00
57