Datasheet

PIC16C7X
DS30390E-page 118  1997 Microchip Technology Inc.
FIGURE 13-2: 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
U =Unimplemented
bit, read as ‘0’
- n = Value at POR reset
bit7 bit0
bit 7-3: Unimplemented: Read as '0'
bit 2-0: PCFG2:PCFG0: A/D Port Configuration Control bits
Note 1: RE0, RE1, and RE2 are implemented on the PIC16C74/74A/77 only.
A = Analog input
D = Digital I/O
PCFG2:PCFG0 RA0 RA1 RA2 RA5 RA3
RE0
(1)
RE1
(1)
RE2
(1)
VREF
000 AAAAA AAAVDD
001 AAAAVREF AAARA3
010 AAAAA DDDV
DD
011 AAAAVREF DDDRA3
100 AADDA DDDV
DD
101 AADDVREF DDDRA3
11x DDDDD DDD—