PIC16F1934-ESLASHML datasheet(137/508 Pages) MICROCHIP

137 / 508 page

 2009 Microchip Technology Inc.

Preliminary

DS41364D-page 137

PIC16F193X/LF193X

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.

ANSELB: PORTB ANALOG SELECT REGISTER

U-0

R/W-1/1

—

ANSB5

ANSB4

ANSB3

ANSB2

ANSB1

ANSB0

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 7-6

Unimplemented:

Read as ‘0’

bit 5-0

ANSB<5:0>

: Analog Select between Analog or Digital Function on Pins RB<5:0>, respectively

= Digital I/O. Pin is assigned to port or digital special function.

= Analog input. Pin is assigned as analog input(1). Digital input buffer disabled.

Note 1:

When setting a pin to an analog input, the corresponding TRIS bit must be set to Input mode in order to

allow external control of the voltage on the pin.

PIC16F1934-E/ML Datasheet(PDF) 137 Page - Microchip Technology

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