PIC16F882_09 datasheet(46/328 Pages) MICROCHIP

부품명	PIC16F882

상세설명	28/40/44-Pin, Enhanced Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

PDF	328 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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46 / 328 page

PIC16F882/883/884/886/887

DS41291F-page 44

3.2.3.4

RA3/AN3/VREF+/C1IN+

Figure 3-4 shows the diagram for this pin. This pin is

configurable to function as one of the following:

• a general purpose input

• an analog input for the ADC

• a positive voltage reference input for the ADC and

CVREF

• a positive analog input to Comparator C1

FIGURE 3-4:

BLOCK DIAGRAM OF RA3

3.2.3.5

RA4/T0CKI/C1OUT

Figure 3-5 shows the diagram for this pin. This pin is

configurable to function as one of the following:

• a general purpose I/O

• a clock input for Timer0

• a digital output from Comparator C1

FIGURE 3-5:

BLOCK DIAGRAM OF RA4

I/O Pin

VDD

VSS

Analog(1)

Input Mode

Data Bus

PORTA

TRISA

Note

ANSEL determines Analog Input mode.

To Comparator (VREF+)

To Comparator (positive input)

To A/D Converter (VREF+)

To A/D Converter (analog channel)

I/O Pin

VDD

VSS

Data Bus

PORTA

TRISA

C1OUT

Enable

To Timer0

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