参数资料
型号: R5F64114NFB
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 50 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 65/84页
文件大小: 1206K
代理商: R5F64114NFB
81
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
15.
8-bit Timer/Counter0 with PWM
15.1
Features
Two independent output compare units
Double buffered output compare registers
Clear timer on compare match (auto reload)
Glitch free, phase correct pulse width modulator (PWM)
Variable PWM period
Frequency generator
Three independent interrupt sources (TOV0, OCF0A, and OCF0B)
15.2
Overview
Timer/Counter0 is a general purpose 8-bit Timer/Counter module, with two independent output compare Units, and with
PWM support. It allows accurate program execution timing (event management) and wave generation.
A simplified block diagram of the 8-bit Timer/Counter is shown in Figure 15-1. 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 Section 15.9 “Register Description” on
page 91. The PRTIM0 bit in Section 10.10 “Minimizing Power Consumption” on page 37 must be written to zero to enable
Timer/Counter0 module.
Figure 15-1. 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
相关PDF资料
PDF描述
R5F64112DFB 32-BIT, FLASH, 50 MHz, MICROCONTROLLER, PQFP100
R5F64165PFD 64-BIT, FLASH, MICROCONTROLLER, PQFP144
R5F64168HNFB 64-BIT, FLASH, MICROCONTROLLER, PQFP100
R5F64168HDFB 64-BIT, FLASH, MICROCONTROLLER, PQFP100
R5F64168HPFB 64-BIT, FLASH, MICROCONTROLLER, PQFP100
相关代理商/技术参数
参数描述
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R5F64115NFB 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU
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