- 您现在的位置：买卖IC网 > PDF目录79620 > IS80C52CXXX-12:D (TEMIC SEMICONDUCTORS) 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44 PDF资料下载
参数资料
| 型号： | IS80C52CXXX-12:D |
| 厂商： | TEMIC SEMICONDUCTORS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| 文件页数： | 16/134页 |
| 文件大小： | 3805K |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页当前第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页第105页第106页第107页第108页第109页第110页第111页第112页第113页第114页第115页第116页第117页第118页第119页第120页第121页第122页第123页第124页第125页第126页第127页第128页第129页第130页第131页第132页第133页第134页
112
8011Q–AVR–02/2013
ATmega164P/324P/644P
Figure 13-1. 16-bit Timer/Counter Block Diagram
Note:
Refer to Figure 1-1 on page 2 and ”Alternate Port Functions” on page 78 for Timer/Counter1 pin
placement and description.
13.2.1
Registers
The Timer/Counter (TCNTn), Output Compare Registers (OCRnA/B/C), and Input Capture Reg-
ister (ICRn) are all 16-bit registers. Special procedures must be followed when accessing the 16-
bit registers. These procedures are described in the section ”Accessing 16-bit Registers” on
page 113. The Timer/Counter Control Registers (TCCRnA/B/C) are 8-bit registers and have no
CPU access restrictions. Interrupt requests (abbreviated to Int.Req. in the figure) signals are all
visible in the Timer Interrupt Flag Register (TIFRn). All interrupts are individually masked with
the Timer Interrupt Mask Register (TIMSKn). TIFRn and TIMSKn are not shown in the figure.
The Timer/Counter can be clocked internally, via the prescaler, or by an external clock source on
the Tn pin. The Clock Select logic block controls which clock source and edge the Timer/Counter
uses to increment (or decrement) its value. The Timer/Counter is inactive when no clock source
is selected. The output from the Clock Select logic is referred to as the timer clock (clk
Tn).
The double buffered Output Compare Registers (OCRnA/B/C) are compared with the
Timer/Counter value at all time. The result of the compare can be used by the Waveform Gener-
ator to generate a PWM or variable frequency output on the Output Compare pin (OCnA/B/C).
Clock Select
Timer/Counter
D
ATA
B
U
S
OCRnA
OCRnB
ICRn
=
TCNTn
Waveform
Generation
Waveform
Generation
OCnA
OCnB
Noise
Canceler
ICPn
=
Fixed
TOP
Values
Edge
Detector
Control Logic
= 0
TOP
BOTTOM
Count
Clear
Direction
TOVn
(Int.Req.)
OCnA
(Int.Req.)
OCnB
(Int.Req.)
ICFn (Int.Req.)
TCCRnA
TCCRnB
( From Analog
Comparator Ouput )
Tn
Edge
Detector
( From Prescaler )
clk
Tn
相关PDF资料 |
PDF描述 |
|---|---|
| IS80C52CXXX-20:R | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQCC44 |
| IS80C52CXXX-25:D | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44 |
| IS80C52CXXX-25:R | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44 |
| IS80C52CXXX-25SHXXX:D | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44 |
| IS80C52CXXX-30SHXXX:RD | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, PQCC44 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IS80C86 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IS80C86-2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IS80C86-2R2490 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IS80C88 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IS80C88-2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
发布紧急采购，3分钟左右您将得到回复。