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參數資料
| 型號： | MR80C52CXXX-36/883:R |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQCC44 |
| 文件頁數： | 69/142頁 |
| 文件大小： | 25028K |
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160
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
17.11.2
TCCR2B – Timer/Counter Control Register B
Bit 7 – FOC2A: Force Output Compare A
The FOC2A bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR2B is written when operating in PWM mode. When writing a logical one to the FOC2A bit,
an immediate Compare Match is forced on the Waveform Generation unit. The OC2A output is
changed according to its COM2A1:0 bits setting. Note that the FOC2A bit is implemented as a
strobe. Therefore it is the value present in the COM2A1:0 bits that determines the effect of the
forced compare.
A FOC2A strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR2A as TOP.
The FOC2A bit is always read as zero.
Bit 6 – FOC2B: Force Output Compare B
The FOC2B bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR2B is written when operating in PWM mode. When writing a logical one to the FOC2B bit,
an immediate Compare Match is forced on the Waveform Generation unit. The OC2B output is
changed according to its COM2B1:0 bits setting. Note that the FOC2B bit is implemented as a
strobe. Therefore it is the value present in the COM2B1:0 bits that determines the effect of the
forced compare.
A FOC2B strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR2B as TOP.
The FOC2B bit is always read as zero.
Bits 5:4 – Reserved
These bits are reserved and will always read as zero.
Bit 3 – WGM22: Waveform Generation Mode
See the description in the ”TCCR2A – Timer/Counter Control Register A” on page 157.
Bit 2:0 – CS22:0: Clock Select
Bit
7
6
5
4
3
210
FOC2A
FOC2B
–
WGM22
CS22
CS21
CS20
TCCR2B
Read/Write
W
R
R/W
Initial Value
0
相關PDF資料 |
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|---|---|
| MR80C52EXXX-16SHXXX:RD | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44 |
| MQ80C32-12SHXXX:D | 8-BIT, 12 MHz, MICROCONTROLLER, CQFP44 |
| MQ80C32-20SHXXX:RD | 8-BIT, 20 MHz, MICROCONTROLLER, CQFP44 |
| MC80C52CXXX-36:D | 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40 |
| MC80C52XXX-36/883:D | 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MR80C86 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
| MR80C86/B | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC |
| MR80C86-2 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
| MR80C86-2/883 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MR80C86-2/B | 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube |
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