PIC12F752 datasheet(46/204 Pages) MICROCHIP

46 / 204 page

PIC12F752/HV752

DS41576A-page 46

Preliminary

 2011 Microchip Technology Inc.

5.1

Alternate Pin Function

The Alternate Pin Function Control (APFCON) register

is used to steer specific peripheral input and output

functions between different pins. The APFCON register

is shown in Register 5-1. For this device family, the

following functions can be moved between different

pins.

•Timer1 Gate

•

COG1

These bits have no effect on the values of any TRIS

correct pin. The unselected pin will be unaffected.

5.2

Alternate Pin Function Control Register

APFCON: ALTERNATE PIN FUNCTION CONTROL REGISTER

U-0

R/W-0/0

—

T1GSEL

—

COG1FSEL

COG1O1SEL COG1O0SEL

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 7-5

Unimplemented: Read as ‘0’.

bit 4

T1GSEL: Timer 1 Gate Input Pin Selection bit

= T1G function is on RA3

= T1G function is on RA4

bit 3

Unimplemented: Read as ‘0’.

bit 2

COG1FSEL: COG1 Fault Input Pin Selection bit

= COG1FLT is on RA3

= COG1FLT is on RA4

bit 1

COG1O1SEL: COG1 Output 1 Pin Selection bit

= COG1OUT1 is on RA4

= COG1OUT1 is on RA0

bit 0

COG1O0SEL: COG1 Output 0 Pin Selection bit

= COG1OUT0 is on RA5

= COG1OUT0 is on RA2

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