PIC16F690 datasheet(63/294 Pages) MICROCHIP

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DS41262D-page 61

PIC16F631/677/685/687/689/690

ANSEL: ANALOG SELECT REGISTER

R/W-1

ANS7

ANS6

ANS5

ANS4

ANS3

ANS2

ANS1

ANS0

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

ANS<7:0>: Analog Select bits

Analog select between analog or digital function on pins AN<7:0>, respectively.

= 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.

ANSELH: ANALOG SELECT HIGH REGISTER(2)

U-0

R/W-1

—

ANS11

ANS10

ANS9

ANS8

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 7-4

Unimplemented: Read as ‘0’

bit 3-0

ANS<11:8>: Analog Select bits

Analog select between analog or digital function on pins AN<7:0>, respectively.

= 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.

PIC16F677/PIC16F685/PIC16F687/PIC16F689/PIC16F690 only.

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