參數(shù)資料
型號(hào)： M38000S8-XXXSP
廠商： Mitsubishi Electric Corporation
英文描述： 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述： 8位單片機(jī)
文件頁數(shù)： 59/173頁
文件大?。?/td> 4203K
代理商： M38000S8-XXXSP
2-11
3800 GROUP USER’S MANUAL
APPLICATION
2.2 Timer
2.2.3 Timer application examples
(1) Basic functions and uses
[Function 1]
Control of Event interval (Timer X, Timer Y, Timer 1, Timer 2)
The Timer count stop bit is set to “0” after setting a count value to a timer. Then a timer interrupt
request occurs after a certain period.
[Use]
Generation of an output signal timing
Generation of a waiting time
[Function 2]
Control of Cyclic operation (Timer X, Timer Y, Timer 1, Timer 2)
The value of a timer latch is automatically written to a corresponding timer every time a timer
underflows, and each cyclic timer interrupt request occurs.
[Use]
Generation of cyclic interrupts
Clock function (measurement of 250m second)
Control of a main routine cycle
Application example 1
[Function 3]
Output of Rectangular waveform (Timer X, Timer Y)
The output level of the CNTR pin is inverted every time a timer underflows (Pulse output mode).
[Use]
A piezoelectric buzzer output
Generation of the remote-control carrier waveforms
Application example 2
[Function 4]
Count of External pulse (Timer X, Timer Y)
External pulses input to the CNTR pin are selected as a timer count source (Event counter
mode).
[Use]
Measurement of frequency
Division of external pulses.
Generation of interrupts in a cycle based on an external pulse.
(count of a reel pulse)
Application example 3
[Function 5]
Measurement of External pulse width (Timer X, Timer Y)
The “H” or “L” level width of external pulses input to CNTR pin is measured (Pulse width
measurement mode).
[Use]
Measurement of external pulse frequency (Measurement of pulse width of FG pulse
8
gener-
ated by motor)
Application example 4
Measurement of external pulse duty (when the frequency is fixed)
8
FG
pulse : Pulse used for detecting the motor speed to control the motor speed.
相關(guān)PDF資料
PDF描述
M38000S8-XXXSS 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38000S8-XXXSS 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38000T2-CPE 功能描述:EMULATOR BASE UNIT 740 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:*
M38001E1-DXXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
M38001E1-DXXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
M38001E1-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
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