PIC18F8723 Datasheet, PDF (32/60 Pages) Microchip Technology – 64/80-Pin, 1-Mbit,Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt Technology

PIC18F8723 FAMILY
REGISTER 2-2: ADCON1: A/D CONTROL REGISTER 1
U-0
—
bit 7
U-0
R/W-0
R/W-0
R/W-0
—
VCFG1
VCFG0
PCFG3
R/W-0
PCFG2
R/W-0
PCFG1
R/W-0
PCFG0
bit 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
bit 7-6
bit 5-4
bit 3-0
Unimplemented: Read as ‘0’
VCFG1:VCFG0: Voltage Reference Configuration bits
A/D VREF+
00
AVDD
01 External VREF+
10
AVDD
11 External VREF+
A/D VREF-
AVSS
AVSS
External VREF-
External VREF-
PCFG3:PCFG0: A/D Port Configuration Control bits:
PCFG<3:0>
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
A A AA A AAA A A AAA AAA
D D AA A AAA A A AAA AAA
D D DA A AAA A A AA A AAA
D D DD A A A A A A A A A AA A
D D DDD A A A A A A A A AA A
D D DDD DA A A A A A A AA A
D D DDD DDA A A A A A AA A
D D DDD DDD A A A A A AA A
D D DDD DDD D A A A A AA A
D D DDD DDD D D A A A AA A
D D DDD DDD D D DA A AA A
D D DDD DDD D D DDA AA A
D D DDD DDD D D DDD AA A
D D DDD DDD D D DDDDA A
D D DD D DDD D D DDD DD A
D D DD D DDD D D DDD DDD
A = Analog input
D = Digital I/O
Note 1: AN15 through AN12 are available only on PIC18F8628/8723 devices.
DS39894A-page 30
Preliminary
© 2007 Microchip Technology Inc.