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參數(shù)資料
| 型號： | M38073M4A00FP |
| 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 |
| 文件頁數(shù)： | 24/74頁 |
| 文件大?。?/td> | 1182K |
| 代理商： | M38073M4A00FP |
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24
MITSUBISHI MICROCOMPUTERS
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 16. Structure of Timer X mode register, Timer Y mode register, and Timer XY control register
Timer Y mode register
(TYM : address 0028
16
)
b7
b0
Timer X mode register
(TXM : address 0027
16
)
Timer X operating mode bits
b2 b1 b0
0 0 0 : Timer
event counter mode
0 0 1 : Pulse output mode
0 1 0 : Pulse period measurement mode
0 1 1 : Pulse width measurement mode
1 0 0 : Programmable waveform generating mode
1 0 1 : Programmable one-shot generating mode
1 1 0 : PWM mode
1 1 1 : Not used
b7
b0
Timer X count source selection bits
b7 b6
0 0 : f(X
IN
)/2
0 1 : f(X
IN
)/16
1 0 : f(X
)
1 1 : Input signal from CNTR
0
pin
CNTR
0
active edge switch bit
0 : Event counter mode ; counts rising edges
Pulse output mode ; output starts with “H” level
Pulse period measurement mode ;
measures between two falling edges
Pulse width measurement mode ; measures “H” periodes
Programmable one-shot generating mode ;
after start at “L” level, output a “H” pulse
(interrupt request is triggered on falling edge)
1 : Eevent counter mode ; counts falling edges
Pulse output mode ; output starts with “L” level
Pulse period measurement mode ;
measures between two rising edges
Pulse width measurement mode ; measures “L” periodes
Programmable one-shot generating mode ;
after start at “H” level, output a “L” pulse
(interrupt request is triggered on rising edge)
Timer X write control bit
0 : Write data to both timer latch and timer
1 : Write data to timer latch only
Output level latch
0 : "L" output
1 : "H" output
Timer Y operating mode bits
b2 b1 b0
0 0 0 : Timerevent counter mode
0 0 1 : Pulse output mode
0 1 0 : Pulse period measurement mode
0 1 1 : Pulse width measurement mode
1 0 0 : Programmable waveform generating mode
1 0 1 : Programmable one-shot generating mode
1 1 0 : PWM mode
1 1 1 : Not used
Timer Y count source selection bits
b7 b6
0 0 : f(X
IN
)/2
0 1 : f(X
IN
)/16
1 0 : f(X
)
1 1 : Input signal from CNTR
1
pin
Timer Y write control bit
0 : Write data to both timer latch and timer
1 : Write data to timer latch only
Output level latch
0 : "L" output
1 : "H" output
CNTR
1
active edge switch bit
0 : Event counter mode ; counts rising edges
Pulse output mode ; output starts with “H” level
Pulse period measurement mode ;
measures between two falling edges
Pulse width measurement mode ; measures “H” periodes
Programmable one-shot generating mode ;
after start at “L” level, output a “H” pulse
(interrupt request is triggered on falling edge)
1 : Eevent counter mode ; counts falling edges
Pulse output mode ; output starts with “L” level
Pulse period measurement mode ;
measures between two rising edges
Pulse width measurement mode ; measures “L” periodes
Programmable one-shot generating mode ;
after start at “H” level, output a “L” pulse
(interrupt request is triggered on rising edge)
Timer XY control register
(TXYCON : address 0014
16
)
Not used (returns “0” when read)
Timer X stop control bit
0 : start counting
1 : stop counting
Timer Y stop control bit
0 : start counting
1 : stop counting
b7
b0
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