Datasheet

PIC18F8723 FAMILY
DS39894B-page 32 © 2009 Microchip Technology Inc.
REGISTER 2-2: ADCON1: A/D CONTROL REGISTER 1
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
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
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:
A/D VREF+ A/D VREF-
00 AV
DD AVSS
01 External VREF+AVSS
10 AVDD External VREF-
11 External V
REF+ External VREF-
A = Analog input D = Digital I/O
Note 1: AN15 through AN12 are available only on PIC18F8628/8723 devices.
PCFG<3:0>
AN15
(1)
AN14
(1)
AN13
(1)
AN12
(1)
AN11 AN10 AN9 AN8 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0
0000 A AAAAAAAAAAAAAAA
0001 D DAAAAAAAAAAAAAA
0010 D DDAAAAAAAAAAAAA
0011 D DDDAAAAAAAAAAAA
0100 D DDDDAAAAAAAAAAA
0101 D DDDDDAAAAAAAAAA
0110 D DDDDDDAAAAAAAAA
0111 D D DDD DDD A A AAAAAA
1000 D DDDDDDDDA AAAAAA
1001 D DDDDDDDDDAAAAAA
1010 D DDDDDDDDDDAAAAA
1011 D DDDDDDDDDDDAAAA
1100 D DDDDDDDDDDDDAAA
1101 D DDDDDDDDDDDDDAA
1110 D DDDDDDDDDDDDDDA
1111 D DDDDDDDDDDDDDDD