MC80F0304/08/16
November 4, 2011 Ver 2.12
71
Figure 13-13 Input Capture Operation of Timer 0 Capture mode
Figure 13-14 Excess Timer Overflow in Capture Mode
~~
Ext. INT0 Pin
Interrupt Request
T0
TIME
up-
co
unt
~~
~~
0
1
2
3
4
5
6
7
8
9
n
n-1
Capture
( Timer Stop )
Clear & Start
Interrupt Interval Period
Delay
( INT0IF )
Ext. INT0 Pin
Interrupt Request
( INT0IF )
This value is loaded to CDR0
20nS
5nS
Interrupt Interval Period=01
H
+FF
H
+01
H
+FF
H
+01
H
+13
H
=214
H
FF
H
FF
H
Ext. INT0 Pin
Interrupt Request
( INT0IF )
00
H
00
H
Interrupt Request
( T0IF )
T0
13
H