PIC16F1946 datasheet(131/448 Pages) MICROCHIP

131 / 448 page

 2010-2011 Microchip Technology Inc.

Preliminary

DS41414C-page 131

PIC16(L)F1946/1947

PORTB: PORTB REGISTER

R/W-x/u

RB7

RB6

RB5

RB4

RB3

RB2

RB1

RB0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-0

RB<7:0>

: PORTB I/O Pin bit

= Port pin is > VIH

= Port pin is < VIL

TRISB: PORTB TRI-STATE REGISTER

R/W-1/1

TRISB7

TRISB6

TRISB5

TRISB4

TRISB3

TRISB2

TRISB1

TRISB0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-0

TRISB<7:0>:

PORTB Tri-State Control bit

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

= PORTB pin configured as an output

LATB: PORTB DATA LATCH REGISTER

R/W-x/u

LATB7

LATB6

LATB5

LATB4

LATB3

LATB2

LATB1

LATB0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-0

LATB<7:0>

: PORTB Output Latch Value bits(1)

Note 1:

Writes to PORTB are actually written to corresponding LATB register. Reads from PORTB register is

return of actual I/O pin values.

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