OPTION_REG datasheet(113/222 Pages) MICROCHIP

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DS22331A-page 113

MCP19111

ANSELA: ANALOG SELECT PORTGPA REGISTER

U-0

R/W-1

—

ANSA3

ANSA2

ANSA1

ANSA0

bit 7

bit 0

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-4

Unimplemented: Read as ‘0’

bit 3-0

ANSA<3:0>: Analog Select PORTGPA Register bit

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

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

Note 1:

Setting a pin to an analog input automatically disables the digital input circuitry, weak pull-ups, and

interrupt-on-change if available. The corresponding TRIS bit must be set to Input mode in order to allow

external control of the voltage on the pin.

TABLE 19-2:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTGPA

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

on Page

ANSELA

—

ANSA3

ANSA2

ANSA1

ANSA0

113

APFCON

—

CLKSEL

110

OPTION_REG

RAPU

INTEDG

T0CS

T0SE

PSA

PS2

PS1

PS0

PORTGPA

GPA7

GPA6

GPA5

GPA4

GPA3

GPA2

GPA1

GPA0

111

TRISGPA

TRISA7

TRISA6

TRISA5

TRISA4

TRISA3

TRISA2

TRISA1

TRISA0

112

WPUGPA

—

—WPUA5

—

WPUA3

WPUA2

WPUA1

WPUA0

112

Legend: — = unimplemented locations read as ‘0’. Shaded cells are not used by PORTGPA.

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