GMS81C2012/GMS81C2020
12.5 16-bit Capture Mode
HYUNDAI MicroElectronics
16-bit capture mode is the same as 8-bit capture, except
that the Timer register is being run will 16 bits.
or external clock by bit T0CK2, T0CK1 and T0CK0.
In 16-bit mode, the bits T1CK1,T1CK0 and 16BIT of TM1
should be set to "1" respectively.
The clock source of the Timer 0 is selected either internal
7
-
6
-
5
4
3
2
1
0
ADDRESS: 0D0H
INITIAL VALUE: --000000B
TM0
TM1
CAP0 T0CK2 BT0TCKL1T0CK0 T0CN T0ST
1
X
-
-
X
X
X
X
X means don’t care
7
6
5
4
3
2
1
0
ADDRESS: 0D2H
INITIAL VALUE: 00H
POL 16BIT PWM1E CAP1 BT1TCKL1T1CK0 T1CN T1ST
0
X
X
1
1
1
X
X
X means don’t care
T0CK[2:0]
Edge
Detector
EC0 PIN
XIN PIN
111
000
T0ST
2
÷ꢀ
0: Stop
1: Clear and start
4
8
÷ꢀ
÷ꢀ
001
010
011
TDR1 + TDR0
(16-bit)
÷ꢀꢁꢂ
clear
Capture
÷ꢀꢃꢂꢄ
100
101
T0CN
512
÷ꢀ
2048
÷ꢀ
110
CDR1 + CDR0
(16-bit)
MUX
IEDS[1:0]
Lower byte
Higher byte
CAPTURE DATA
“01”
“10”
INT0
INTERRUPT
INT0IF
INT0 PIN
“11”
Figure 12-11 16-bit Capture Mode
58
MAR. 2000 Ver 1.00
HYNIX [ HYNIX SEMICONDUCTOR ]
