PIC16F882 datasheet(62/288 Pages) MICROCHIP

62 / 288 page

PIC16F882/883/884/886/887

DS41291D-page 60

Preliminary

3.7.1

RE0/AN5(1)

This pin is configurable to function as one of the

following:

• a general purpose I/O

• an analog input for the ADC

3.7.2

RE1/AN6(1)

This pin is configurable to function as one of the

following:

• a general purpose I/O

• an analog input for the ADC

3.7.3

RE2/AN7(1)

This pin is configurable to function as one of the

following:

• a general purpose I/O

• an analog input for the ADC

FIGURE 3-21:

BLOCK DIAGRAM OF

RE<2:0>

3.7.4

RE3/MCLR/VPP

Figure 3-22 shows the diagram for this pin. This pin is

configurable to function as one of the following:

• a general purpose input

• as Master Clear Reset with weak pull-up

FIGURE 3-22:

BLOCK DIAGRAM OF RE3

TABLE 3-5:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTE

Note 1: RE0/AN5 is available on PIC16F884/887

only.

Note 1: RE1/AN6 is available on PIC16F884/887

only.

Note 1: RE2/AN7 is available on PIC16F884/887

only.

I/O Pin

VDD

VSS

Analog(1)

Input Mode

Data Bus

PORTE

TRISE

To A/D Converter

Note

ANSEL determines Analog Input mode.

Input

VSS

Data Bus

PORTE

Reset

MCLRE

TRISE

VSS

MCLRE

VDD

Weak

MCLRE

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR, BOR

Value on

all other Resets

ANSEL

ANS7

ANS6

ANS5

ANS4

ANS3

ANS2

ANS1

ANS0

1111 1111

PORTE

—

RE3

RE2

RE1

RE0

---- xxxx

---- uuuu

TRISE

—

TRISE3

TRISE2

TRISE1

TRISE0

---- 1111

Legend:

= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTE

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