HMS87C13042A Datasheet, PDF (49/88 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HMS87C130XA/120XA/110XA
n
This value is loaded to CDR0
T0
n-1
~~
~~
up-count
9
8
7
6
5
4
~~
3
2
1
0
Ext. INT0 Pin
Interrupt Request
(INT0F)
Interrupt Interval Period
TIME
Ext. INT0 Pin
Interrupt Request
(INT0F)
Capture
(Timer Stop)
Delay
Clear & Start
Figure 12-7 Input Capture Operation
Ext. INT0 Pin
Interrupt Request
(INT0F)
Interrupt Request
(T0F)
T0
46
Interrupt Interval Period = FF_H + 01_H + FF_H +01_H + 13_H = 213_H
FF_H
FF_H
13_H
00_H
00_H
Figure 12-8 Excess Timer Overflow in Capture Mode
Apr. 2001 ver 1.0