PIC12F510 datasheet(45/124 Pages) MICROCHIP

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DS41268D-page 43

PIC12F510/16F506

7.0

COMPARATOR(S)

The PIC12F510 contains one analog comparator

module. The PIC16F506 contains two comparators

and a comparator voltage reference.

CM1CON0: COMPARATOR C1 CONTROL REGISTER (PIC12F510)

R-1

R/W-1

C1OUT

C1OUTEN

C1POL

C1T0CS

C1ON

C1NREF

C1PREF

C1WU

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

C1OUT: Comparator Output bit

= VIN+ > VIN-

= VIN+ < VIN-

bit 6

C1OUTEN: Comparator Output Enable bit(1), (2)

= Output of comparator is NOT placed on the C1OUT pin

= Output of comparator is placed in the C1OUT pin

bit 5

C1POL: Comparator Output Polarity bit(2)

= Output of comparator is not inverted

= Output of comparator is inverted

bit 4

C1T0CS: Comparator TMR0 Clock Source bit(2)

= TMR0 clock source selected by T0CS control bit

= Comparator output used as TMR0 clock source

bit 3

C1ON: Comparator Enable bit

= Comparator is on

= Comparator is off

bit 2

C1NREF: Comparator Negative Reference Select bit(2)

= C1IN- pin

= 0.6V internal reference

bit 1

C1PREF: Comparator Positive Reference Select bit(2)

= C1IN+ pin

= C1IN- pin

bit 0

C1WU: Comparator Wake-up On Change Enable bit(2)

= Wake-up On Comparator Change is disabled

= Wake-up On Comparator Change is enabled

Note 1:

Overrides T0CS bit for TRIS control of RB2.

When comparator is turned on, these control bits assert themselves.

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