PIC12CE67X
FIGURE 8-2: ADCON1 REGISTER (ADDRESS 9Fh)
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
R/W-0
R/W-0
R/W-0
PCFG2
PCFG1
PCFG0
R =Readable bit
W = Writable bit
bit7
bit0
U =Unimplemented
bit, read as ‘0’
- n =Value at POR reset
bit 7-2: Unimplemented: Read as '0'
bit 1-0: PCFG2:PCFG0: A/D Port Configuration Control bits
PCFG2:PCFG0
GP4
GP2
GP1
GP0
VREF
(1)
A
A
A
A
VDD
000
001
010
011
100
101
110
111
A
D
D
D
D
D
D
A
A
A
D
D
D
D
VREF
A
A
A
A
A
A
A
D
GP1
VDD
GP1
VDD
GP1
VDD
VDD
VREF
A
VREF
D
D
A = Analog input
D = Digital I/O
Note 1: Value on reset.
Note 2: Any instruction that reads a pin configured as an analog input will read a '0'.
DS40181B-page 38
Preliminary
1998 Microchip Technology Inc.