PIC14000 datasheet(71/153 Pages) MICROCHIP

71 / 153 page

Preliminary

DS40122B-page 71

PIC14000

FIGURE 9-5:

COMPARATOR CONTROL REGISTER

9Dh

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

CMCON

CMBOUT

CMBOE

CPOLB

CMAOUT

CMAOE

CPOLA

Read/Write

—

R/W

—

R/W

POR value 00h

Bit

Name

Function

—

Unimplemented. Read as ‘0’.

CMBOUT

Comparator B Output

Reading this bit returns the status of the comparator B output. Writes to this bit have no

effect.

CMBOE

Comparator B Output Enable

1 = Comparator B output is available on RD2/CMPB pin and Reference B output is

available on RD3/REFB pin.

0 = RD2/CMPB and RD3/REFB assume normal PORTD function.

CPOLB

Comparator B Polarity Bit

1 = Invert the output of comparator B.

0 = Do not invert the output of comparator B.

—

Unimplemented. Read as ‘0’.

CMAOUT

Comparator A Output

Reading this bit returns the status of the comparator A output. Writes to this bit have no

effect.

CMAOE

Comparator A Output Enable

1 = Comparator A output is available on RC1/CMPA pin and Reference A output is

available on RC0/REFA pin.

0 = RC0/REFA and RC1/CMPA assume normal PORTC function.

CPOLA

Comparator A Polarity Bit

1 = Invert the output of comparator A.

0 = Do not invert the output of comparator A.

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