Datasheet

PIC18F6585/8585/6680/8680
DS30491D-page 250  2003-2013 Microchip Technology Inc.
REGISTER 19-2: ADCON1 REGISTER
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — VCFG1 VCFG0 PCFG3 PCFG2 PCFG1 PCFG0
bit 7 bit 0
bit 7-6 Unimplemented: Read as ‘0’
bit 5-4 VCFG1:VCFG0: Voltage Reference Configuration bits
bit 3-0 PCFG3:PCFG0: A/D Port Configuration Control bits
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
- n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
Note: Channels AN15 through AN12 are not available on the 68-pin devices.
A/D VREF+ A/D VREF-
00 A
VDD AVSS
01 External VREF+AVSS
10 AVDD External VREF-
11 External V
REF+ External VREF-
A = Analog input D = Digital I/O
Shaded cells = Additional channels available on the PIC18F8X8X devices
AN15 AN14 AN13 AN12 AN11 AN10 AN9 AN8 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0
0000
A A A AAAAAAAAAAAAA
0001
D D A AAAAAAAAAAAAA
0010
D D D AAAAAAAAAAAAA
0011
D D D D A A AAAAAAAAAA
0100
D D D D D A AAAAAAAAAA
0101
D D D D D D AAAAAAAAAA
0110
D D D D D D DAAAAAAAAA
0111
D D D D D D DDAAAAAA AA
1000
D D D D D D DDDAAAAAAA
1001
D D D D D D DDDDAAAAAA
1010
D D D DDDDDDDDAAAAA
1011
D D D D D D DDDDDDAA AA
1100
D D D D D D DDDDDDDA AA
1101
D D D D D D DDDDDDDD A A
1110
D D D D D D DDDDDDDD DA
1111
D D D D D D DDDDDDDD DD
18F8680.book Page 250 Tuesday, January 29, 2013 1:32 PM