PIC16F1526 datasheet(121/354 Pages) MICROCHIP

121 / 354 page

 2011 Microchip Technology Inc.

Preliminary

DS41458A-page 121

PIC16(L)F1526/27

TABLE 12-3:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTA

TABLE 12-4:

SUMMARY OF CONFIGURATION WORD WITH PORTA

ANSELA: PORTA ANALOG SELECT REGISTER

U-0

R/W-1/1

U-0

R/W-1/1

—

—ANSA5

—

ANSA3

ANSA2

ANSA1

ANSA0

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

ANSA5

: Analog Select between Analog or Digital Function on pins RA5, 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.

bit 4

Unimplemented:

Read as ‘0’

bit 3-0

ANSA<3:0>

: Analog Select between Analog or Digital Function on pins RA<3:0>, 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.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

on Page

ANSELA

—

—ANSA5

—

ANSA3

ANSA2

ANSA1

ANSA0

121

APFCON

—

T3CKISEL CCP2SEL

118

LATA

LATA7

LATA6

LATA5

LATA4

LATA3

LATA2

LATA1

LATA0

120

OPTION_REG

WPUEN

INTEDG

TMR0CS

TMR0SE

PSA

PS<2:0>

165

PORTA

RA7

RA6

RA5

RA4

RA3

RA2

RA1

RA0

120

TRISA

TRISA7

TRISA6

TRISA5

TRISA4

TRISA3

TRISA2

TRISA1

TRISA0

120

Legend:

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

Name

Bits

Bit -/7

Bit -/6

Bit 13/5

Bit 12/4

Bit 11/3

Bit 10/2

Bit 9/1

Bit 8/0

on Page

CONFIG1

13:8

—

FCMEN

IESO

CLKOUTEN

BOREN<1:0>

—

7:0

MCLRE

PWRTE

WDTE<1:0>

FOSC<2:0>

Legend:

— = unimplemented location, read as ‘0’. Shaded cells are not used by PORTA.

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