PIC18LF4331 datasheet(125/392 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS39616D-page 125

PIC18F2331/2431/4331/4431

TABLE 11-9:

PORTE I/O SUMMARY

TABLE 11-10: SUMMARY OF REGISTERS ASSOCIATED WITH PORTE

Function

TRIS

Setting

I/O

Type

Description

RE0/AN6

RE0

DIG

LATE<0> data output; not affected by analog input.

PORTE<0> data input; disabled when analog input is enabled.

AN6

ANA

A/D Input Channel 6. Default input configuration on POR.

RE1/AN7

RE1

DIG

LATE<1> data output; not affected by analog input.

PORTE<1> data input; disabled when analog input is enabled.

AN7

ANA

A/D Input Channel 7. Default input configuration on POR.

RE2/AN8

RE2

DIG

LATE<2> data output; not affected by analog input.

PORTE<2> data input; disabled when analog input is enabled.

AN8

ANA

A/D Input Channel 8. Default input configuration on POR.

MCLR/VPP/RE3(1)

MCLR

—

External Master Clear input; enabled when MCLRE Configuration bit

is set.

VPP

—

ANA

High-Voltage Detection; used for ICSP™ mode entry detection. Always

available, regardless of pin mode.

RE3

—(2)

PORTE<3> data input; enabled when MCLRE Configuration bit is

clear.

Legend:

DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output;

= Don’t care (TRIS bit does not affect port direction or is overridden for this option).

Note

All PORTE pins are only implemented on 40/44-pin devices.

RE3 does not have a corresponding TRIS bit to control data direction.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset Values

on Page:

PORTE

—

—RE3(1)

RE2

RE1

RE0

LATE

—

LATE Data Output Register

TRISE

—

PORTE Data Direction Register

ANSEL0

ANS7(2) ANS6(2) ANS5(2)

ANS4

ANS3

ANS2

ANS1

ANS0

ANSEL1

—

—ANS8(2)

Legend:

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

Note 1:

Implemented only when Master Clear functionality is disabled (CONFIG3H<7> = 0). It is available for

PIC18F4331/4431 devices only.

ANS5 through ANS8 are available only on PIC18F4331/4431 devices.

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