PIC12F1501 datasheet(155/422 Pages) MICROCHIP

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 2011-2013 Microchip Technology Inc.

DS40001609B-page 155

PIC16(L)F1508/9

17.8

CMxCON0: COMPARATOR Cx CONTROL REGISTER 0

R/W-0/0

R-0/0

R/W-0/0

U-0

R/W-1/1

R/W-0/0

CxON

CxOUT

CxOE

CxPOL

—

CxSP

CxHYS

CxSYNC

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

CxON: Comparator Enable bit

1 = Comparator is enabled

0 = Comparator is disabled and consumes no active power

bit 6

CxOUT: Comparator Output bit

If CxPOL = 1 (inverted polarity):

1 = CxVP < CxVN

0 = CxVP > CxVN

If CxPOL = 0 (non-inverted polarity):

1 = CxVP > CxVN

0 = CxVP < CxVN

bit 5

CxOE: Comparator Output Enable bit

1 = CxOUT is present on the CxOUT pin. Requires that the associated TRIS bit be cleared to actually

drive the pin. Not affected by CxON.

0 = CxOUT is internal only

bit 4

CxPOL: Comparator Output Polarity Select bit

1 = Comparator output is inverted

0 = Comparator output is not inverted

bit 3

Unimplemented: Read as ‘0’

bit 2

CxSP: Comparator Speed/Power Select bit

1 = Comparator mode in normal-power, higher speed

0 = Comparator mode in low-power, low-speed

bit 1

CxHYS: Comparator Hysteresis Enable bit

1 = Comparator hysteresis enabled

0 = Comparator hysteresis disabled

bit 0

CxSYNC: Comparator Output Synchronous Mode bit

1 = Comparator output to Timer1 and I/O pin is synchronous to changes on Timer1 clock source.

Output updated on the falling edge of Timer1 clock source.

0 = Comparator output to Timer1 and I/O pin is asynchronous

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