43
8Bit Single Chip Microcontroller
DMC73C168
5.5.1 Timer Control Registers
The Timer Control registers are shown in Figure 5-5 for Timer1 and Figure 5-6 for Timer2.
P4
>0104
T1MSDATA
Timer 1 MS Data
7
6
5
4
3
2
1
0
R
16 bit TIMER MSB DECREMENTER VALUE
16 bit TIMER MSB RELOAD REGISTER
W
RESET
X
X
X
X
X
X
X
X
Bit 0 - 7 : decrementer value MSB
P5
>0105
T1LSDATA
4
Timer 1 LS Data
7
6
5
3
2
1
0
R
16 bit TIMER LSB DECREMENTER VALUE
16 bit TIMER LSB RELOAD REGISTER
W
RESET
X
X
X
X
X
X
X
X
Bit 0 - 7 : decrementer value LSB
P6
>0106
T1CTL0
4
7
6
5
3
2
1
0
R
MSB CAPTURE LATCH VALUE
W
X
X
T1OUT
O
X
X
X
X
X
X
X
X
X
X
X
X
RESET
READ
Bit 0 - 7 : Capture latch value MSB
WRITE
B 6 T1OUT Toggle out CNTC for B0 Port
0 : B0 is a normal I/O port
1 : T1OUT ; toggles B0 when T1 decrements through 0
P7
>0107
T1CTL1
7
6
5
4
3
2
1
0
R
LSB CAPTURE LATCH VALUE
START1 SOURC1 T1HALT PRESCALER RELOAD REGISTER
W
RESET
O
X
O
X
X
X
X
X
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