PIC16F526-ISLASHP datasheet(63/122 Pages) MICROCHIP

63 / 122 page

 2010 Microchip Technology Inc.

DS41326D-page 63

PIC16F526

10.0 COMPARATOR(S)

This device contains two comparators and a

comparator voltage reference.

CM1CON0: COMPARATOR C1 CONTROL REGISTER

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

1 = VIN+ > VIN-

0 = VIN+ < VIN-

bit 6

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

1 = Output of comparator is NOT placed on the C1OUT pin

0 = Output of comparator is placed in the C1OUT pin

bit 5

C1POL: Comparator Output Polarity bit(2)

1 = Output of comparator is not inverted

0 = Output of comparator is inverted

bit 4

C1T0CS: Comparator TMR0 Clock Source bit(2)

1 = TMR0 clock source selected by T0CS control bit

0 = Comparator output used as TMR0 clock source

bit 3

C1ON: Comparator Enable bit

1 = Comparator is on

0 = Comparator is off

bit 2

C1NREF: Comparator Negative Reference Select bit(2)

1 = C1IN- pin

0 = 0.6V VREF

bit 1

C1PREF: Comparator Positive Reference Select bit(2)

1 = C1IN+ pin

0 = C1IN- pin

bit 0

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

1 = Wake-up On Comparator Change is disabled

0 = Wake-up On Comparator Change is enabled

Note 1: Overrides T0CS bit for TRIS control of RB2.

2: When comparator is turned on, these control bits assert themselves. Otherwise, the other registers have

precedence.

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