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)： 32/92頁(yè)
文件大?。?/td> 1292K
代理商： M38747MCF
32
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Timer Y
Timer Y is a 16-bit timer that can be selected in one of four modes.
(1) Timer Mode
The timer counts f(X
IN
)/16 (or f(X
CIN
)/16 in system clock
φ
= X
CIN
/
2).
(2) Period Measurement Mode
CNTR
1
interrupt request is generated at rising/falling edge of
CNTR
1
pin input signal. Simultaneously, the value in timer Y latch
is reloaded in timer Y and timer Y continues counting down. Except
for the above-mentioned, the operation in period measurement
mode is the same as in timer mode.
The timer value just before the reloading at rising/falling of CNTR
1
pin input signal is retained until the timer Y is read once after the
reload.
The rising/falling timing of CNTR
1
pin input signal is found by
CNTR
1
interrupt.
(3) Event Counter Mode
The timer counts signals input through the CNTR
1
pin.
Except for this, the operation in event counter mode is the same
as in timer mode.
(4) Pulse Width HL Continuously Measure-
ment Mode
CNTR
1
interrupt request is generated at both rising and falling
edges of CNTR
1
pin input signal. Except for this, the operation in
pulse width HL continuously measurement mode is the same as in
period measurement mode.
I
Note
G
CNTR
1
interrupt active edge selection
CNTR
1
interrupt active edge depends on the CNTR
1
active edge
switch bit. However, in pulse width HL continuously measurement
mode, CNTR
1
interrupt request is generated at both rising and
falling edges of CNTR
1
pin input signal regardless of the setting of
CNTR
1
active edge switch bit.
Fig. 24 Structure of timer Y mode register
Timer Y mode register
(TYM : address 0028
16
)
b7
b0
Not used (return “0” when read)
Timer Y operating mode bits
b5 b4
0 0 : Timer mode
0 1 : Period measurement mode
1 0 : Event counter mode
1 1 : Pulse width HL continuously
measurement mode
CNTR
1
active edge switch bit
0 : Count at rising edge in event counter mode
Measure the falling edge to falling edge
period in period measurement mode
Falling edge active for CNTR
1
interrupt
1 : Count at falling edge in event counter mode
Measure the rising edge period in period
measurement mode
Rising edge active for CNTR
1
interrupt
Timer Y stop control bit
0 : Count start
1 : Count stop
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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