參數(shù)資料
型號： MQ80C154-16P883
廠商： TEMIC SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 16 MHz, MICROCONTROLLER, CQFP44
文件頁數(shù)： 41/142頁
文件大?。?/td> 61013K
代理商： MQ80C154-16P883
135
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
Figure 18-10 shows the setting of OCF2A in all modes except CTC mode.
Figure 18-10. Timer/Counter Timing Diagram, setting of OCF2A, with Prescaler (f
clk_I/O/8).
Figure 18-11 shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
Figure 18-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Prescaler (f
clk_I/O/8).
18.9
Asynchronous operation of the Timer/Counter
18.9.1
Asynchronous Operation of Timer/Counter2
When Timer/Counter2 operates asynchronously, some considerations must be taken.
Warning: When switching between asynchronous and synchronous clocking of Timer/Counter2, the Timer
Registers TCNT2, OCR2A, and TCCR2A might be corrupted. A safe procedure for switching clock source is:
a.
Disable the Timer/Counter2 interrupts by clearing OCIE2A and TOIE2.
b.
Select clock source by setting AS2 as appropriate.
c.
Write new values to TCNT2, OCR2A, and TCCR2A.
d.
To switch to asynchronous operation: Wait for TCN2UB, OCR2UB, and TCR2UB.
e.
Clear the Timer/Counter2 Interrupt Flags.
f.
Enable interrupts, if needed.
The CPU main clock frequency must be more than four times the Oscillator frequency
OCFnx
OCRnx
TCNTn
OCRnx Value
OCRnx - 1
OCRnx
OCRnx + 1
OCRnx + 2
clk
I/O
clk
Tn
(clk
I/O/8)
OCFnx
OCRnx
TCNTn
(CTC)
TOP
TOP - 1
TOP
BOTTOM
BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O/8)
相關(guān)PDF資料
PDF描述
MQ83C154XXX-L16/883D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MQ83C154CXXX-25/883R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
MR80C154-L16/883R 8-BIT, 16 MHz, MICROCONTROLLER, CQCC44
MQ83C154CXXX-L16P883R 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MR83C154CXXX-20P883R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MQ80C154-20 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
MQ80C154-25 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
MQ80C154-30 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
MQ80C154-36 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
MQ80C154-L16 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*