PIC18F8720 datasheet(16/380 Pages) MICROCHIP

16 / 380 page

PIC18F6520/8520/6620/8620/6720/8720

DS39609B-page 14

 2004 Microchip Technology Inc.

PORTC is a bidirectional I/O port.

RC0/T1OSO/T13CKI

RC0

T1OSO

T13CKI

I/O

—

Digital I/O.

Timer1 oscillator output.

Timer1/Timer3 external clock input.

RC1/T1OSI/CCP2

RC1

T1OSI

CCP2(2)

I/O

CMOS

Digital I/O.

Timer1 oscillator input.

Capture2 input/Compare2 output/

PWM2 output.

RC2/CCP1

RC2

CCP1

I/O

Digital I/O.

Capture1 input/Compare1 output/

PWM1 output.

RC3/SCK/SCL

RC3

SCK

SCL

I/O

Digital I/O.

Synchronous serial clock input/output

for SPI mode.

Synchronous serial clock input/output

for I2C mode.

RC4/SDI/SDA

RC4

SDI

SDA

I/O

Digital I/O.

SPI data in.

I2C data I/O.

RC5/SDO

RC5

SDO

I/O

—

Digital I/O.

SPI data out.

RC6/TX1/CK1

RC6

TX1

CK1

I/O

—

Digital I/O.

USART 1 asynchronous transmit.

USART 1 synchronous clock

(see RX1/DT1).

RC7/RX1/DT1

RC7

RX1

DT1

I/O

Digital I/O.

USART 1 asynchronous receive.

USART 1 synchronous data

(see TX1/CK1).

TABLE 1-2:

PIC18FXX20 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Type

Buffer

Type

Description

PIC18F6X20 PIC18F8X20

Legend: TTL = TTL compatible input

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

Analog = Analog input

= Input

= Output

= Power

= Open-Drain (no P diode to VDD)

Note 1:

Alternate assignment for CCP2 when CCP2MX is not selected (all operating modes except

Microcontroller).

Default assignment when CCP2MX is set.

External memory interface functions are only available on PIC18F8X20 devices.

CCP2 is multiplexed with this pin by default when configured in Microcontroller mode. Otherwise, it is

multiplexed with either RB3 or RC1.

PORTH and PORTJ are only available on PIC18F8X20 (80-pin) devices.

AVDD must be connected to a positive supply and AVSS must be connected to a ground reference for

proper operation of the part in user or ICSP modes. See parameter D001A for details.

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