PIC16C773 Microchip Technology, PIC16C773 Datasheet - Page 118

• Manufacturer Part Number: PIC16C773
• Description: 28/40-Pin/ 8-Bit CMOS Microcontrollers w/ 12-Bit A/D
• Manufacturer: Microchip Technology

PIC16C77X
FIGURE 11-2: ADCON1 REGISTER (ADDRESS 9Fh)
DS30275A-page 118
bit7
bit 7:
bit 6:4
bit 3:0
Note 1:
R/W-0
ADFM
ADFM: A/D Result Format Select bit
1 = Right justified
0 = Left justified
VCFG2:VCFG0: Voltage reference configuration bits
PCFG3:PCFG0: A/D Port Configuration bits
Selection of an unimplemented channel produces a result of 0xFFFFFF.
A = Analog input D= Digital I/O
VCFG2
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
1110
1111
R/W-0
000
001
010
011
100
101
110
111
AN9
External V
External V
D
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
Internal VRH
Internal VRH
Internal VRL
A/D V
VCFG1
R/W-0
A
A
A
AN8
VDD
VDD
VDD
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
REF
REF
REF
H
AN7
VCFG0
R/W-0
D
D
D
D
D
D
D
D
+
+
A
A
A
A
A
A
A
A
AN6
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
External V
External V
Internal VRL
Internal VRL
A/D V
PCFG3
R/W-0
A
A
A
A
AN5
VSS
VSS
VSS
VSS
D
D
D
D
D
D
Advance Information
A
A
A
A
A
A
A
A
A
A
REF
REF
REF
L
AN4
(1)
PCFG2
R/W-0
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
-
-
AN3
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
PCFG1
R/W-0
AN2
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
bit 0
AN1
PCFG0
R/W-0
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AN0
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
R =
W =
U =
- n =
Readable bit
Writable bit
Unimplemented bit, read as ‘0’
Value at POR reset
1999 Microchip Technology Inc.