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18F8680 Datasheet(PDF) 252 Page - Microchip Technology

Part # 18F8680
Description  64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module
PDF  496 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

18F8680 Datasheet(HTML) 252 Page - Microchip Technology

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PIC18F6585/8585/6680/8680
DS30491C-page 250
 2004 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
AVDD
AVSS
01
External VREF+AVSS
10
AVDD
External VREF-
11
External VREF+
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
AA
A
A
A
A
A
A
A
A
A
A
A
0001
D
D
A
AA
A
A
A
A
A
A
A
A
A
A
A
0010
D
D
D
AA
A
A
A
A
A
A
A
A
A
A
A
0011
D
D
D
DA
A
A
A
A
A
A
A
A
A
A
A
0100
D
D
D
DD
A
A
A
A
A
A
A
A
A
A
A
0101
D
D
D
DD
D
A
A
A
A
A
A
A
A
A
A
0110
D
D
D
DD
D
D
A
A
A
A
A
A
A
A
A
0111
D
D
D
DD
D
D
D
A
A
A
A
A
A
A
A
1000
D
D
D
DD
D
D
D
D
A
A
A
A
A
A
A
1001
D
D
D
DD
D
D
D
D
D
A
A
A
A
A
A
1010
D
D
D
DD
D
D
D
D
D
D
A
A
A
A
A
1011
D
D
D
DD
D
D
D
D
D
D
D
A
A
A
A
1100
D
D
D
D
D
D
D
D
D
D
DDD
A
A
A
1101
D
D
D
D
D
D
D
D
D
D
DDD
D
A
A
1110
D
D
D
D
D
D
D
D
D
D
DDD
D
D
A
1111
D
D
D
D
D
D
D
D
D
D
DDD
D
D
D



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