Datasheet

PIC12F635/PIC16F636/639

4.3.6 RC4/C2OUT

Figure 4-9 shows the diagram for this pin. The RC4 pin

is configurable to function as one of the following:

• a general purpose I/O

• a digital output from the comparator

FIGURE 4-9: BLOCK DIAGRAM OF RC4

TABLE 4-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC

I/O pin

VDD

VSS

Data Bus

PORTC

TRISC

PORTC

C2OUT Enable

C2OUT

Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Value on

POR, BOR,

WUR

Value on

all other

Resets

PORTC

— — RC5 RC4 RC3 RC2 RC1 RC0 --xx xx00 --uu uu00

CMCON0

C2OUT C1OUT C2INV C1INV CIS CM2 CM1 CM0 0000 0000 0000 0000

TRISC

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

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