PIC16F883-ESLASHSO. datasheet(45/338 Pages) MICROCHIP

Nome de Peças	PIC16F883-E/SO.

Descrição Electrónicos	28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PDF	338 Pages

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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 2006-2012 Microchip Technology Inc.

DS41291G-page 45

PIC16F882/883/884/886/887

3.2.3.2

RA1/AN1/C12IN1-

Figure 3-2 shows the diagram for this pin. This pin is

configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

• a negative analog input to Comparator C1 or C2

FIGURE 3-2:

BLOCK DIAGRAM OF RA1

3.2.3.3

RA2/AN2/VREF-/CVREF/C2IN+

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

configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

• a negative voltage reference input for the ADC

and CVREF

• a comparator voltage reference output

• a positive analog input to Comparator C2

FIGURE 3-3:

BLOCK DIAGRAM OF RA2

I/O Pin

VDD

VSS

Analog(1)

Input Mode

Data Bus

PORTA

TRISA

To A/D Converter

Note 1:

ANSEL determines Analog Input mode.

To Comparator

I/O Pin

VDD

VSS

Analog(1)

Input Mode

Data Bus

PORTA

TRISA

To Comparator (VREF-)

Note 1:

ANSEL determines Analog Input mode.

To Comparator (positive input)

CVREF

VROE

To A/D Converter (VREF-)

To A/D Converter (analog channel)

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