PIC16C63A/65B/73B/74B
REGISTER 12-2:
ADCON1 REGISTER (ADDRESS 9Fh)
U-0
—
bit 7
bit 7-3
bit 2-0
Unimplemented:
Read as '0'
PCFG2:PCFG0:
A/D Port Configuration Control bits
RE0
(1)
RE1
(1)
RE2
(1)
A
A
D
D
D
D
D
A
A
D
D
D
D
D
A
A
D
D
D
D
D
U-0
—
U-0
—
U-0
—
U-0
—
R/W-0
PCFG2
R/W-0
PCFG1
R/W-0
PCFG0
bit 0
PCFG2:PCFG0
000
001
010
011
100
101
11x
A = Analog input
RA0
A
A
A
A
A
A
D
RA1
A
A
A
A
A
A
D
RA2
A
A
A
A
D
D
D
RA5
A
A
A
A
D
D
D
RA3
A
V
REF
A
V
REF
A
V
REF
D
V
REF
V
DD
RA3
V
DD
RA3
V
DD
RA3
V
DD
D = Digital I/O
Note 1:
RE0, RE1 and RE2 are implemented on the PIC16C74B only.
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
DS30605C-page 80
2000 Microchip Technology Inc.