PIC16F684 datasheet(44/192 Pages) MICROCHIP

44 / 192 page

PIC16F684

DS41202F-page 42

4.3.5

RC4/C2OUT/P1B

The RC4 is configurable to function as one of the

following:

• a general purpose I/O

• a digital output from the comparator

• a digital output from the Enhanced CCP

FIGURE 4-9:

BLOCK DIAGRAM OF RC4

4.3.6

RC5/CCP1/P1A

The RC5 is configurable to function as one of the

following:

• a general purpose I/O

• a digital input/output for the Enhanced CCP

FIGURE 4-10:

BLOCK DIAGRAM OF RC5

TABLE 4-2:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTC

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.

I/O Pin

VDD

VSS

Data Bus

PORTC

TRISC

PORTC

Note

Port/Peripheral Select signals selects between

port data and peripheral output.

C2OUT EN

CCPOUT EN

C2OUT EN

C2OUT

CCPOUT EN

CCPOUT

I/O Pin

VDD

VSS

Data bus

PORTC

TRISC

To Enhanced CCP

PORTC

CCP1OUT

Enable

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

CMCON0

C2OUT

C1OUT

C2INV

C1INV

CIS

CM2

CM1

CM0

0000 0000

PORTC

—

RC5

RC4

RC3

RC2

RC1

RC0

--xx 0000

--uu uu00

TRISC

—

TRISC5

TRISC4

TRISC3

TRISC2

TRISC1

TRISC0

--11 1111

Legend:

= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTC.

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