參數(shù)資料
型號: R5F6418JADFE
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP176
封裝: 24 X 24 MM, 0.50 MM PITCH, PLASTIC, LQFP-176
文件頁數(shù): 28/128頁
文件大?。?/td> 922K
代理商: R5F6418JADFE
125
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
18.
8-bit Timer/Counter2 with PWM and Asynchronous Operation
18.1
Features
Single channel counter
Clear timer on compare match (auto reload)
Glitch-free, phase correct pulse width modulator (PWM)
Frequency generator
10-bit Clock prescaler
Overflow and compare match interrupt sources (TOV2, OCF2A and OCF2B)
Allows clocking from external 32kHz watch crystal independent of the I/O clock
18.2
Overview
Timer/Counter2 is a general purpose, single channel, 8-bit Timer/Counter module. A simplified block diagram of the 8-bit
Timer/Counter is shown in Figure 18-1. For the actual placement of I/O pins, refer to
Section 1-1 “Pinout Atmel ATmega48PA/88PA/168PA” on page 3. CPU accessible I/O registers, including I/O bits and I/O
pins, are shown in bold. The device-specific I/O register and bit locations are listed in the
The PRTIM2 bit in Section 10.10 “Minimizing Power Consumption” on page 37 must be written to zero to enable
Timer/Counter2 module.
Figure 18-1. 8-bit Timer/Counter Block Diagram
Control Logic
TCNTn
Timer/Counter
Count
Clear
Direction
clkTn
OCRnA
OCRnB
TCCRnA
TCCRnB
=
Edge
Detector
(from Prescaler)
Clock Select
TOP
BOTTOM
TOVn (Int. Req.)
OCnA (Int. Req.)
Tn
Waveform
Generation
Fixed
TOP
Value
DA
T
A
BUS
=
= 0
OCnA
OCnB (Int. Req.)
Waveform
Generation
OCnB
相關PDF資料
PDF描述
R5F64200LFB 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
R5F64200JFB 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
R5F64201JFB 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
R5F64201KFB 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
R5F6420FLFB 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
相關代理商/技術(shù)參數(shù)
參數(shù)描述
R5F6418JANFD 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F6418JANFE 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F6418JANFE_12 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F6418JAPFD 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F6418JAPFE 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU