PIC16F684T-E Datasheet, PDF(44/192 Page) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

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PIC16F684T-E Datasheet, PDF (44/192 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

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PIC16F684

4.3.5 RC4/C2OUT/P1B

The RC4 is configurable to function as one of the

following:

â¢ a general purpose I/O

â¢ a digital output from the comparator

â¢ a digital output from the Enhanced CCP

Note:

Enabling both C2OUT and P1B will cause

a conflict on RC4 and create unpredictable

results. Therefore, if C2OUT is enabled,

the ECCP can not be used in Half-Bridge

or Full-Bridge mode and vice-versa.

FIGURE 4-9:

BLOCK DIAGRAM OF RC4

C2OUT EN

CCPOUT EN

C2OUT EN

C2OUT

CCPOUT EN

CCPOUT

Data Bus

PORTC

CK Q

VDD

I/O Pin

VSS

TRISC

CK Q

TRISC

PORTC

Note 1: Port/Peripheral Select signals selects between

port data and peripheral output.

4.3.6 RC5/CCP1/P1A

The RC5 is configurable to function as one of the

following:

â¢ a general purpose I/O

â¢ a digital input/output for the Enhanced CCP

FIGURE 4-10:

Data bus

BLOCK DIAGRAM OF RC5

PORTC

CK Q

TRISC

CK Q

CCP1OUT

Enable

CCP1OUT 1

VDD

I/O Pin

VSS

TRISC

PORTC

To Enhanced CCP

TABLE 4-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on:

POR, BOR

Value on

all other

Resets

ANSEL

ANS7 ANS6 ANS5 ANS4 ANS3 ANS2

ANS1

ANS0 1111 1111 1111 1111

CMCON0 C2OUT C1OUT C2INV C1INV

CIS

CM2

CM1

CM0 0000 0000 0000 0000

PORTC

RC5

RC4

RC3

RC2

RC1

RC0 --xx 0000 --uu uu00

TRISC

TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111

Legend: x = unknown, u = unchanged, â = unimplemented locations read as â0â. Shaded cells are not used by PORTC.

DS41202F-page 42

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