參數(shù)資料
型號： MSM80C154S
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： 8位微控制器
英文描述： CMOS 8-bit Microcontroller
中文描述： 的CMOS 8位微控制器
文件頁數(shù)： 19/40頁
文件大小： 257K
代理商： MSM80C154S
19/40
MSM80C154S/83C154S
Semiconductor
Capture mode is set when TCLK + RCLK = "0" and CP/
RL2
= "1".
16-bit auto reload mode is set when TCLK + RCLK = "0" and CP/
RL2
= "0".
CP/
RL2
is ignored when TCLK + RCLK = "1".
NAME
ADDRESS
MSB
7
TF2
LSB
0
CP/
RL2
6
5
4
3
2
1
BIT LOCATION
T2CON.0
FLAG
CP/
RL2
FUNCTION
T2CON
0C8H
EXF2
RCLK
TCLK
EXEN2
TR2
C/
T2
T2CON.1
C/
T2
T2CON.2
TR2
T2CON.3
EXEN2
T2CON.4
TCLK
T2CON.5
RCLK
Timer/counter 2 external flag.
This bit is set to "1" when the T2EX timer/counter 2 external control signal level
is changed from "1" to "0" while EXEN2 = "1".
This flag serves as the timer interrupt 2 request signal. If an interrupt is
generated, EXF2 must be reset to "0" by software.
Timer/counter 2 carry flag.
This bit is set to "1" by a carry signal when timer/counter 2 is in 16-bit auto
reload mode or in capture mode.
This flag serves as the timer interrupt 2 request signal. If an interrupt is
generated, TF2 must be reset to "0" by software.
T2CON.6
EXF2
T2CON.7
TF2
Timer/counter 2 count clock designation control bit.
The internal clocks (XTAL12 ÷ 12, XTAL12 ÷ 2) are used when this bit is "0",
and the external clock applied to the T2 pin is passed to timer/counter 2 when
the bit is "1".
Timer/counter 2 counting start and stop control bit.
Timer/counter 2 commences counting when this bit is "1" and stops counting
when "0".
T2EX timer/counter 2 external control signal control bit.
Input of the T2EX signal is disabled when this bit is "0", and enabled when "1".
Serial port transmit circuit drive clock control bit.
Timer/counter 2 is switched to baud rate generator mode when this bit is "1",
and the timer/counter 2 carry signal becomes the serial port transmit clock.
Note, however, that the serial ports can only use the timer/counter 2 carry signal
in serial port modes 1 and 3.
Serial port receive circuit drive clock control bit.
Timer/counter 2 is switched to baud rate generator mode when this bit is "1",
and the timer/counter 2 carry signal becomes the serial port transmit clock.
Note, however, that the serial ports can only use the timer/counter 2 carry signal
in serial port modes 1 and 3.
Timer 2 control register (T2CON)
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