參數(shù)資料
型號: MQ80C52CXXX-12:R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQFP44
封裝: CERAMIC, QFP-44
文件頁數(shù): 15/170頁
文件大?。?/td> 25028K
111
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
16. 16-bit Timer/Counter1 and Timer/Counter3(1) with PWM
Note:
1. Timer/Counter3 is only available in ATmega1284/1284P
16.1
Features
True 16-bit design (that is, allows 16-bit PWM)
Two independent Output Compare units
Double Buffered Output Compare Registers
One Input Capture unit
Input Capture Noise Canceler
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
External Event Counter
Four independent interrupt Sources (TOV1, OCF1A, OCF1B, and ICF1)
16.2
Overview
The 16-bit Timer/Counter unit allows accurate program execution timing (event management),
wave generation, and signal timing measurement.
Most register and bit references in this section are written in general form. A lower case “n”
replaces the Timer/Counter number, and a lower case “x” replaces the Output Compare unit
channel. However, when using the register or bit defines in a program, the precise form must be
used, that is, TCNT1 for accessing Timer/Counter1 counter value and so on.
A simplified block diagram of the 16-bit Timer/Counter is shown in Figure 16-1. For the actual
placement of I/O pins, see ”Pin configurations” on page 2. CPU accessible I/O Registers, includ-
ing I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit locations
The PRTIM1 bit in ”PRR0 – Power Reduction Register 0” on page 48 must be written to zero to
enable Timer/Counter1 module.
相關PDF資料
PDF描述
MQ80C52CXXX-25/883:D 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
MQ80C52TXXX-16:RD 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MR80C52CXXX-25/883:RD 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MR80C52TXXX-25SHXXX:R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MC80C32-16SHXXX:D 8-BIT, 16 MHz, MICROCONTROLLER, CDIP40
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