PIC12F1822-ISLASHMF datasheet(140/398 Pages) MICROCHIP

140 / 398 page

PIC12F/LF1822/16F/LF1823

DS41413A-page 140

Preliminary

 2010 Microchip Technology Inc.

ADCON1: A/D CONTROL REGISTER 1

R/W-0/0

U-0

R/W-0/0

ADFM

ADCS2

ADCS1

ADCS0

—

ADPREF1

ADPREF0

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

ADFM: A/D Result Format Select bit

1 = Right justified. Six Most Significant bits of ADRESH are set to ‘0’ when the conversion result is

loaded.

0 = Left justified. Six Least Significant bits of ADRESL are set to ‘0’ when the conversion result is

loaded.

bit 6-4

ADCS<2:0>: A/D Conversion Clock Select bits

000 =FOSC/2

001 =FOSC/8

010 =FOSC/32

011 =FRC (clock supplied from a dedicated RC oscillator)

100 =FOSC/4

101 =FOSC/16

110 =FOSC/64

111 =FRC (clock supplied from a dedicated RC oscillator)

bit 3-2

Unimplemented: Read as ‘0’

bit 1-0

ADPREF<1:0>: A/D Positive Voltage Reference Configuration bits

00 =VREF+ is connected to AVDD

01 = Reserved

10 =VREF+ is connected to external VREF+

11 =VREF+ is connected to internal fixed voltage reference

PIC12F1822-I/MF 데이터시트(PDF) 140 Page - Microchip Technology

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