PIC18C Reference Manual

DS39504A-page 4-10

 2000 Microchip Technology Inc.

PORTC is a bi-directional I/O port.

RC0

I/O

ST

RC1

I/O

ST

RC2

I/O

ST

RC3

I/O

ST

RC4

I/O

ST

RC5

I/O

ST

RC6

I/O

ST

RC7

I/O

ST

RD

I

TTL

Read control for parallel slave port. (See also WR and CS pins.)

PORTD is a bi-directional I/O port.

RD0

I/O

ST

RD1

I/O

ST

RD2

I/O

ST

RD3

I/O

ST

RD4

I/O

ST

RD5

I/O

ST

RD6

I/O

ST

RD7

I/O

ST

PORTE is a bi-directional I/O port.

RE0

I/O

ST

RE1

I/O

ST

RE2

I/O

ST

RE3

I/O

ST

RE4

I/O

ST

RE5

I/O

ST

RE6

I/O

ST

RE7

I/O

ST

PORTF is a digital input

RF0

I/O

ST

RF1

I/O

ST

RF2

I/O

ST

RF3

I/O

ST

RF4

I/O

ST

RF5

I/O

ST

RF6

I/O

ST

RF7

I/O

ST

Table 4-1:

I/O Descriptions (Continued)

Pin Name

Pin

Type

Buffer

Type

Description

Legend: TTL = TTL-compatible input

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

O = output

PU = Weak internal pull-up

I = input

Analog = Analog input or output

P = Power