PIC16F1508TESSQTO datasheet(287/384 Pages) MICROCHIP

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PIC16F1508TESSQTO データシート(PDF) 287 Page - Microchip Technology

部品番号	PIC16F1508TESSQTO

部品情報	20-Pin Flash, 8-Bit Microcontrollers with nanoWatt XLP Technology

PDF	384 Pages

Scroll/Zoom	100%

メーカー	MICROCHIP [Microchip Technology]

ホームページ	http://www.microchip.com

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287 / 384 page

 2011 Microchip Technology Inc.

Preliminary

DS41609A-page 287

PIC16(L)F1508/9

25.0 NUMERICALLY CONTROLLED

OSCILLATOR (NCO) MODULE

The Numerically Controlled Oscillator (NCOx) module

is a timer that uses the overflow from the addition of an

increment value to divide the input frequency. The

advantage of the addition method over simple counter

driven timer is that the resolution of division does not

vary with the divider value. The NCOx is most useful for

applications that require frequency accuracy and fine

resolution at a fixed duty cycle.

Features of the NCOx include:

• 16-bit increment function

• Fixed Duty Cycle (FDC) mode

• Pulse Frequency (PF) mode

• Output pulse width control

• Multiple clock input sources

• Output polarity control

• Interrupt capability

Figure 25-1 is a simplified block diagram of the NCOx

module.

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