參數(shù)資料
型號: DMC73C168
英文描述: 8Bit Single Chip Microcontroller
中文描述: 8位單芯片微控制器
文件頁數(shù): 39/90頁
文件大小: 742K
代理商: DMC73C168
39
8Bit Single Chip Microcontroller
DMC73C167
Table 5-19. P21 0115h T1LSD Timer 1 LSB Data
Bit
R
7
6
5
4
3
2
1
0
16-bit Timer 1 LSB Decrementer Value
W
16-bit Timer 1 LSB Reload Register
Table 5-20. P23 0117h T1CTL1 Timer 1 Control 1
Bit
R
7
6
5
4
3
2
1
0
MSB Capture Latch Value
W
Invaild
Table 5-21. P22 0116h T1CTL0 Timer 1 Control 0
Bit
R
7
6
5
Timer 1 LSB Capture Latch Value
4
3
2
1
0
W
START
T1OUT
T1SRC
Prescaler Reload Register
Read : Provides the LSB value of the capture register which contains the
decrementer register value when INT1 was last activated.
Write : Timer 1 control as below.
Bits 0-4
Bit 5
Reload the 5-bit Prescaler Reload Register
T1SRC. Select Timer 1 Clock Source.
0 = Internal clock (Fosc/4).
1 = External clock from Port A1.
T1OUT. Timer 1 Toggle Output
0 = Normal output on Port B0.
1 = Toggle output on Port B0 when the Timer 1 MSB decrementer
passes through zero.
START. Timer 1 Start/Stop Control
0 = Stops Timer 1
1 = Starts Timer 1
Bit 6
Bit 7
5.5.1.2 Real-Time Clock Mode (RTC)
In real-time clock mode, the internal Fosc/4 is the prescaler clock source. Each positive
pulse transition of the Fosc/4 period signal decrements the count chain.
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