PIC18F6525_13 Datasheet, PDF (234/400 Pages) Microchip Technology – 64/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with A/D

PIC18F6525/6621/8525/8621
REGISTER 20-2:
ADCON1: A/D CONTROL REGISTER 1
U-0
U-0
R/W-0 R/W-0
—
—
VCFG1 VCFG0
bit 7
R/W-0
PCFG3
R/W-0
PCFG2
R/W-0
PCFG1
R/W-0
PCFG0
bit 0
bit 7-6
bit 5-4
Unimplemented: Read as ‘0’
VCFG1:VCFG0: Voltage Reference Configuration bits:
VCFG1
VCFG0
00
01
10
11
A/D VREF+
AVDD
External VREF+
AVDD
External VREF+
A/D VREF-
AVSS
AVSS
External VREF-
External VREF-
bit 3-0
PCFG3:PCFG0: A/D Port Configuration Control bits:
PCFG3
PCFG0
0000 A A A A A A A A A A A A A A A A
0001 D D A A A A A A A A A A A A A A
0010 D D D A A A A A A A A A A A A A
0011 D D D D A A A A A A A A A A A A
0100 D D D D D A A A A A A A A A A A
0101 D D D D D D A A A A A A A A A A
0110 D D D D D D D A A A A A A A A A
0111 D D D D D D D D A A A A A A A A
1000 D D D D D D D D D A A A A A A A
1001 D D D D D D D D D D A A A A A A
1010 D D D D D D D D D D D A A A A A
1011 D D D D D D D D D D D D A A A A
1100 D D D D D D D D D D D D D A A A
1101 D D D D D D D D D D D D D D A A
1110 D D D D D D D D D D D D D D D A
1111 D D D D D D D D D D D D D D D D
A = Analog input D = Digital I/O
Note: Shaded cells indicate A/D channels available only on PIC18F8525/8621 devices.
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
DS39612C-page 234
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