PIC16F676-I Datasheet, PDF (47/132 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F630/676
REGISTER 7-1:
ADCON0 — A/D CONTROL REGISTER (ADDRESS: 1Fh)
R/W-0 R/W-0
U-0
R/W-0 R/W-0 R/W-0
ADFM VCFG
—
CHS2 CHS1 CHS0
bit 7
R/W-0
GO/DONE
R/W-0
ADON
bit 0
bit 7
bit 6
bit 5
bit 4-2
bit 1
bit 0
ADFM: A/D Result Formed Select bit
1 = Right justified
0 = Left justified
VCFG: Voltage Reference bit
1 = VREF pin
0 = VDD
Unimplemented: Read as zero
CHS2:CHS0: Analog Channel Select bits
000 = Channel 00 (AN0)
001 = Channel 01 (AN1)
010 = Channel 02 (AN2)
011 = Channel 03 (AN3)
100 = Channel 04 (AN4)
101 = Channel 05 (AN5)
110 = Channel 06 (AN6)
111 = Channel 07 (AN7)
GO/DONE: A/D Conversion Status bit
1 = A/D conversion cycle in progress. Setting this bit starts an A/D conversion cycle.
This bit is automatically cleared by hardware when the A/D conversion has completed.
0 = A/D conversion completed/not in progress
ADON: A/D Conversion Status bit
1 = A/D converter module is operating
0 = A/D converter is shut-off and consumes no operating current
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
REGISTER 7-2: ADCON1 — A/D CONTROL REGISTER 1 (ADRESS: 9Fh)
U-0
R/W-0 R/W-0 R/W-0
U-0
—
ADCS2 ADCS1 ADCS0
—
bit 7
U-0
U-0
U-0
—
—
—
bit 0
bit 7:
bit 6-4:
bit 3-0:
Unimplemented: Read as ‘0’
ADCS<2:0>: A/D Conversion Clock Select bits
000 = FOSC/2
001 = FOSC/8
010 = FOSC/32
x11 = FRC (clock derived from a dedicated internal oscillator = 500 kHz max)
100 = FOSC/4
101 = FOSC/16
110 = FOSC/64
Unimplemented: Read as ‘0’
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
 2010 Microchip Technology Inc.
DS40039F-page 47