PIC16F616 datasheet(37/180 Pages) MICROCHIP

Part #	PIC16F616

Description	14-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PDF	180 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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37 / 180 page

Preliminary

DS41288C-page 35

PIC16F610/616/16HV610/616

4.2.4.3

RA2/AN2(1)/T0CKI/INT/C1OUT

Figure 4-2 shows the diagram for this pin. The RA2 pin

is configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

(1)

• the clock input for TMR0

• an external edge triggered interrupt

• a digital output from Comparator C1

FIGURE 4-2:

BLOCK DIAGRAM OF RA2

Note 1:

PIC16F616/16HV616 only.

VDD

VSS

VDD

Weak

RD PORTA

IOAC

Interrupt-on-

To INT

Analog(1)

Input Mode

RAPU

Analog(1)

Input Mode

Change

WPUA

Data Bus

WPUA

PORTA

TRISA

PORTA

Note

Comparator mode and ANSEL determines Analog Input mode.

Set has priority over Reset.

PIC16F616/16HV616 only.

To A/D Converter(3)

I/O Pin

S(2)

From other

RA<5:3, 1:0> pins

Write ‘0’ to RAIF

C1OE

Enable

To Timer0

PIC16F616 Datasheet(PDF) 37 Page - Microchip Technology

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