PIC16F721-ESS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F721-ESS

20-Pin Flash Microcontrollers

Microchip Technology 

PIC16(L)F720/721

FIGURE 6-1:

BLOCK DIAGRAM OF RA0

ICSP™ mode

DEBUG

Data Bus

WR

WPUA

RD

WPUA

DQ

CK Q

WR

PORTA

DQ

CK Q

WR

TRISA

DQ

CK Q

RD

TRISA

RD

PORTA

WR

IOCA

DQ

CK Q

RD

IOCA

Interrupt-on-Change

ICSPDAT

Analog(1)

Input mode

RABPU

VDD

Weak

PORT_ICDDAT

01

10

0

1

TRIS_ICDDAT

Analog(1)

Input mode

QD

EN

Q3

QD

EN

RD PORTA

To A/D Converter

VDD

I/O Pin

VSS

Note 1: ANSEL determines Analog Input mode.

 2010-2013 Microchip Technology Inc.

DS41430D-page 49

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