PIC16F913-ISLASHMLQTP datasheet(64/330 Pages) MICROCHIP

64 / 330 page

PIC16F913/914/916/917/946

DS41250F-page 62

3.5

PORTC and TRISC Registers

PORTC is an 8-bit bidirectional port. PORTC is

multiplexed with several peripheral functions. PORTC

pins have Schmitt Trigger input buffers.

All PORTC pins have latch bits (PORTC register).

They will modify the contents of the PORTC latch

(when written); thus, modifying the value driven out on

a pin if the corresponding TRISC bit is configured for

output.

EXAMPLE 3-3:

INITIALIZING PORTC

BANKSEL PORTC

;

CLRF

PORTC

;Init PORTC

BANKSEL TRISC

;

MOVLW

0FFh

;Set RC<7:0> as inputs

MOVWF

TRISC

;

BANKSEL LCDCON

;

CLRF

LCDCON

;Disable VLCD<3:1>

;inputs on RC<2:0>

PORTC: PORTC REGISTER

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

= Port pin is >VIH min.

= Port pin is <VIL max.

TRISC: PORTC TRI-STATE REGISTER

R/W-1

TRISC7

TRISC6

TRISC5

TRISC4

TRISC3

TRISC2

TRISC1

TRISC0

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

TRISC<7:0>: PORTC Tri-State Control bits

= PORTC pin configured as an input (tri-stated)

= PORTC pin configured as an output

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