PIC16F527-ISLASHSS datasheet(30/134 Pages) MICROCHIP

30 / 134 page

PIC16F527

DS40001652C-page 30

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PORTC: PORTC REGISTER

TABLE 6-4:

PORTC PINS ORDER OF PRECEDENCE

ANSEL REGISTER

TABLE 6-5:

REGISTERS ASSOCIATED WITH THE I/O PORTS

R/W-x

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

RC<7:0>: PORTC I/O Pin bits

1 = Port pin is >VIH min.

0 = Port pin is <VIL max.

Priority

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

OP1+

OP1-

TRISC5

C2OUT

OP1

OP2

C2IN-

C2IN+

TRISC7

TRISC6

—

TRISC4

AN7

AN6

AN5

AN4

—

TRISC3

TRISC2

TRISC1

TRISC0

R/W-1

ANS7

ANS6

ANS5

ANS4

ANS3

ANS2

ANS1

ANS0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

ANS<7:0>: ADC Analog Input Pin Select(1), (2)

= Analog function on selected ANx pin is disabled

= ANx configured as an analog input

Note 1:

When the ANSx bits are set, the channels selected will automatically be forced into Analog mode,

regardless of the pin function previously defined, and the digital output drivers and input buffers will also

be disabled. Exceptions exist when there is more than one analog function active on the ANx pin. It is the

user’s responsibility to ensure that the ADC loading on the other analog functions does not affect their

application.

2: The ANS<7:0> bits are active regardless of the condition of ADON.

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

Power-On

Reset

Value on

MCLR and

WDT Reset

N/A

TRIS(1)

I/O Control Registers (TRISA, TRISB, TRISC)(1)

1111 1111

06h

PORTA

—

RA5

RA4

RA3

RA2

RA1

RA0

--xx xxxx

--uu uuuu

07h

PORTB

RB7

RB6

RB5

RB4

—

xxxx ----

uuuu ----

27h

PORTC

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

xxxx xxxx

uuuu uuuu

Legend:

x = unknown, u = unchanged, — = unimplemented, read as ‘0’, Shaded cells = unimplemented, read as ‘0’

Note 1:

TRISA3 is read-only ‘1’, and cannot be set as output.

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