PIC17C752 datasheet(13/320 Pages) MICROCHIP

13 / 320 page

Preliminary

DS30264A-page 13

PIC17C75X

PORTG is a bi-directional I/O Port.

RG0/AN3

I/O

RG0 can also be analog input 3.

RG1/AN2

I/O

RG1 can also be analog input 2.

RG2/AN1/VREF-

I/O

RG2 can also be analog input 1, or

the ground reference voltage

RG3/AN0/VREF+

I/O

RG3 can also be analog input 0, or

the positive reference voltage

RG4/CAP3

I/O

RG4 can also be the Capture3 input pin.

RG5/PWM3

I/O

RG5 can also be the PWM3 output pin.

RG6/RX2/DT2

I/O

RG6 can also be selected as the USART2 (SCI) Asyn-

chronous Receive or USART2 (SCI) Synchronous

Data.

RG7/TX2/CK2

I/O

RG7 can also be selected as the USART2 (SCI) Asyn-

chronous Transmit or USART2 (SCI) Synchronous

Clock.

TEST

Test mode selection control input. Always tie to VSS for nor-

mal operation.

VSS

17,

33,

49,

19,

36,53,

9, 25,

41, 56

Ground reference for logic and I/O pins.

VDD

18,

34,

2, 20,

37,

49,

10,

26,

38, 57

Positive supply for logic and I/O pins.

AVSS

Ground reference for A/D converter.

This pin

MUST be at the same potential as VSS.

AVDD

Positive supply for A/D converter.

This pin

MUST be at the same potential as VDD.

1, 18,

35, 52

No Connect. Leave these pins unconnected.

TABLE 3-1: PINOUT DESCRIPTIONS

Name

DIP

No.

PLCC

No.

TQFP

No.

I/O/P

Type

Buffer

Type Description

Legend: I = Input only; O = Output only; I/O = Input/Output; P = Power; — = Not Used; TTL = TTL input;

ST = Schmitt Trigger input.

†

The output is only available by the Peripheral operation.

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