PIC18F4550ESOSQTP datasheet(121/430 Pages) MICROCHIP

121 / 430 page

Preliminary

DS39632D-page 119

PIC18F2455/2550/4455/4550

TABLE 10-6:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTC

RC7/RX/DT/

SDO

RC7

OUT

DIG

LATC<7> data output.

PORTC<7> data input.

Asynchronous serial receive data input (EUSART module).

OUT

DIG

Synchronous serial data output (EUSART module); takes priority over

SPI and port data.

Synchronous serial data input (EUSART module). User must

configure as an input.

SDO

OUT

DIG

SPI data output (MSSP module); takes priority over port data.

TABLE 10-5:

PORTC I/O SUMMARY (CONTINUED)

Function

TRIS

Setting

I/O

I/O Type

Description

Legend:

OUT = Output, IN = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Buffer Input,

TTL = TTL Buffer Input, XCVR = USB transceiver, x = Don’t care (TRIS bit does not affect port direction or is overridden

for this option)

Note

Default pin assignment. Alternate pin assignment is RB3 (when CCP2MX = 0).

RC4 and RC5 do not have corresponding TRISC bits. In Port mode, these pins are input only. USB data direction is

determined by the USB configuration.

40/44-pin devices only.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

Values

on page

PORTC

RC7

RC6

RC5(1)

RC4(1)

—

RC2

RC1

RC0

LATC

LATC7

LATC6

—

LATC2

LATC1

LATC0

TRISC

TRISC7

TRISC6

—

TRISC2

TRISC1

TRISC0

UCON

—

PPBRST

SE0

PKTDIS

USBEN

RESUME SUSPND

—55

Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by PORTC.

Note 1:

RC5 and RC4 are only available as port pins when the USB module is disabled (UCON<3> = 0).

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