PIC18F6390_07 Datasheet, PDF (234/414 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F6390/6490/8390/8490
REGISTER 18-2: ADCON1: A/D CONTROL REGISTER 1
U-0
—
bit 7
U-0
R/W-0
R/W-0
R/W-q
—
VCFG1
VCFG0
PCFG3
R/W-q
PCFG2
R/W-q
PCFG1
R/W-q
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
bit 4
bit 3-0
Unimplemented: Read as ‘0’
VCFG1: Voltage Reference Configuration bit (VREF- source)
1 = VREF- (AN2)
0 = AVSS
VCFG0: Voltage Reference Configuration bit (VREF+ source)
1 = VREF+ (AN3)
0 = AVDD
PCFG3:PCFG0: A/D Port Configuration Control bits:
PCFG3:
PCFG0
0000
A
A
A
A
A
A
A
A AAAA
0001
A
A
A
A
A
A
A
A AAAA
0010
A
A
A
A
A
A
A
A AAAA
0011
A
A
A
A
A
A
A
A AAAA
0100
D
A
A
A
A
A
A
A AAAA
0101
D
D
A
A
A
A
A
A AAAA
0110
D
D
D
A
A
A
A
A AAAA
0111
D
D
DDA
A
A
A AAAA
1000
D
D
DDD
A
A
A AAAA
1001
D
D
DDD
D
A
A AAAA
1010
D
D
DDD
D
D
A AAAA
1011
D
D
DDD
D
D
D AAAA
1100
D
D
DDD
D
D
D DAAA
1101
D
D
DDD
D
D
D DDAA
1110
D
D
DDD
D
D
D DDDA
1111
D
D
DDD
D
D
D DDDD
A = Analog input
D = Digital I/O
DS39629C-page 232
© 2007 Microchip Technology Inc.