GMS81504 Datasheet, PDF (32/54 Pages) List of Unclassifed Manufacturers – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

GMS81504
HYUNDAI MicroElectronics
16-bit Capture Mode
16-bit capture mode is the same as 8-bit capture, except
that the Timer register is being run will 16 bits.
Bit T1ST is not effect in this 16-bit mode.
Bit T0SL1 and T0SL0 select the clock source among
three prescaler divide ratio and external EC0 clock.
EC0 PIN
XIN PIN
INT0 PIN
TM0
MSB
CAP0
1
DO NOT CARE
T1ST T1SL1 T1SL0 T0ST
X
0
0
X
T0CN
X
T0SL1
X
LSB
T0SL0
X
ADDRESS: E2H
RESET VALUE: 00H
T0SL[1:0]
EDGE DETECTOR
0
1
÷4
MUX
÷ 16
÷ 64
T0CN
PRESCALER
IEDS[1:0]
TIMER 0
+
TIMER 1
T0ST
0: Stop
1: Clear and Start
T1
T0
(8-BITS) (8-BITS)
CDR1 CDR0
(8-BITS) (8-BITS)
HIGHER LOWER
INT0IF
INT 0
INTERRUPT
Figure 20. 16-bit Capture Mode
32