PIC18F44K22-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F44K22-I/SO

28/40/44-Pin, Low-Power,High-Performance Microcontrollers with XLP Technology

Microchip Technology 

PIC18(L)F2X/4XK22

10.1.1 PORTA OUTPUT PRIORITY

Each PORTA pin is multiplexed with other functions.

The pins, their combined functions and their output

priorities are briefly described here. For additional

information, refer to the appropriate section in this data

sheet.

When multiple outputs are enabled, the actual pin

control goes to the peripheral with the higher priority.

Table 10-4 lists the PORTA pin functions from the

highest to the lowest priority.

Analog input functions, such as ADC and comparator,

are not shown in the priority lists.

These inputs are active when the I/O pin is set for

Analog mode using the ANSELx registers. Digital

output functions may control the pin when it is in Analog

mode with the priority shown below.

TABLE 10-4: PORT PIN FUNCTION PRIORITY

Port bit

0

1

PORTA

RA0

RA1

2

RA2

3

RA3

4

SRQ

C1OUT

CCP5(1)

RA4

Note 1: PIC18(L)F2XK22 devices.

Port Function Priority by Port Pin

PORTB

CCP4(1)

RB0

SCL2(1)

SCK2(1)

P1C(1)

PORTC

SOSCO

P2B(6)

RC0

SOSCI

CCP2(3)

P2A(3)

PORTD(2)

SCL2

SCK2

RD0

SDA2

CCP4

RD1

RB1

SDA2(1)

P1B(1)

RC1

CCP1

P1A

P2B

RD2(4)

RB2

CTPLS

SDO2(1)

CCP2(6)

P2A(6)

RB3

P1D(1)

RC2

SCL1

SCK1

RC3

SDA1

P2C

RD3

SDO2

RB4

RC4

P2D

RD4

2: PIC18(L)F4XK22 devices.

3: Function default pin.

4: Function default pin (28-pin devices).

5: Function default pin (40/44-pin devices).

6: Function alternate pin.

7: Function alternate pin (28-pin devices).

8: Function alternate pin (40/44-pin devices)

PORTE(2)

CCP3(8)

P3A(8)

RE0

P3B

RE1

CCP5

RE2

MCLR

VPP

RE3

DS41412A-page 136

Preliminary

 2010 Microchip Technology Inc.

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