PIC16F688-ESLASHML datasheet(39/202 Pages) MICROCHIP

부품명	PIC16F688-E/ML

상세설명	14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PDF	202 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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39 / 202 page

DS41203C-page 37

PIC16F688

4.2.5

PIN DESCRIPTIONS AND

DIAGRAMS

Each PORTA pin is multiplexed with other functions.

The pins and their combined functions are briefly

described here. For specific information about individ-

ual functions such as the comparator or the A/D, refer

to the appropriate section in this data sheet.

4.2.5.1

RA0/AN0/C1IN+/ICSPDAT/ULPWU

Figure 4-1 shows the diagram for this pin. The RA0 pin

is configurable to function as one of the following:

• a general purpose I/O

• an analog input for the A/D

• an analog input to the comparator

• an analog input to the Ultra Low-Power Wake-up

• In-Circuit Serial Programming™ data

FIGURE 4-1:

BLOCK DIAGRAM OF RA0

I/O PIN

VDD

VSS

VDD

Weak

RD PORTA

IOCA

Interrupt-on-

To Comparator

Analog(1)

Input Mode

RAPU

Analog(1)

Input Mode

Change

IULP

WPUDA

Data Bus

WPUDA

PORTA

TRISA

PORTA

Note

Comparator mode and ANSEL determines analog Input mode.

+VT

ULPWUE

To A/D Converter

Vss

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