參數(shù)資料
型號(hào)： M38747MCF
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 33/92頁(yè)
文件大?。?/td> 1292K
代理商： M38747MCF
33
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Timer 1, Timer 2, Timer 3
Timer 1, timer 2, and timer 3 are 8-bit timers. The count source for
each timer can be selected by timer 123 mode register.
G
Timer 2 write control
When the timer 2 write control bit is “1”, and the value is written in
the address of timer 2, the value is loaded only in the latch. The
value in the latch is loaded in timer 2 after timer 2 underflows.
When the timer 2 write control bit is “0”, and the value is written in
the address of timer 2, the value is loaded in the timer 2 and the
latch at the same time.
G
Timer 2 output control
An inversion signal from T
OUT
pin is output each time timer 2
underflows.
In this case, set the port P5
0
direction register to the output mode.
I
Note
G
Timer 1 to timer 3
When the count source of timer 1 to 3 is changed, the timer count-
ing value may be changed large because a thin pulse is generated
in count input of timer. If timer 1 output is selected as the count
source of timer 2 or timer 3, when timer 1 is written, the counting
value of timer 2 or timer 3 may be changed large because a thin
pulse is generated in timer 1 output.
Therefore, set the value of timer in the order of timer 1, timer 2 and
timer 3 after the count source selection of timer 1 to 3.
Fig. 25 Structure of timer 123 mode register
T
OUT
output active edge switch bit
0 : Start at “H” output
1 : Start at “L” output
T
OUT
output control bit
0 : T
OUT
output disabled
1 : T
OUT
output enabled
Timer 2 write control bit
0 : Write data in latch and counter
1 : Write data in latch only
Timer 2 count source selection bit
0 : Timer 1 output
1 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
Timer 3 count source selection bit
0 : Timer 1 output
1 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
Timer 1 count source selection bit
0 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
1 : f(X
CIN
)
Not used (return “0” when read)
Timer 123 mode register
(T123M :address 0029
16
)
Note :
Internal clock
φ
is f(X
CIN
)/2 in the low-speed mode.
b7
b0
相關(guān)PDF資料
PDF描述
M38747MCF-XXXFS Quad 1.8-V, Micro-power, Rail-to-Rail, Single Supply Amplifier with Shutdown 16-SOIC 0 to 70
M38747MCF-XXXGP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38748M7F-XXXGP Single 2.7-V High-Slew-Rate Rail-to-Rail Output Operational Amplifier w/Shutdown 8-SOIC -40 to 125
M38748M8D-XXXFS Single 2.7-V High-Slew-Rate Rail-to-Rail Output Operational Amplifier w/Shutdown 8-PDIP -40 to 125
M38748MCT-XXXFS Single 2.7-V High Slew Rate Rail-to-Rail Output Operational Amplifier 8-SOIC 0 to 70
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38747MCF-XXXFS 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38747MCF-XXXGP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38747MCT 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38747MCT-XXXFS 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38747MCT-XXXGP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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