PIC14000-04 Datasheet, PDF (72/153 Pages) Microchip Technology – 28-Pin Programmable Mixed Signal Controller

PIC14000
FIGURE 9-6: PREFA REGISTER
9Bh
PREFA
Read/Write
POR value 00h
Bit 7
PRA7
R/W
0
Bit 6
PRA6
R/W
0
Bit
B7-B0
Name
PRA7
PRA6
PRA5
PRA4
PRA3
PRA2
PRA1
PRA0
FIGURE 9-7: PREFB REGISTER
9Ch
PREFB
Read/Write
POR value 00h
Bit 7
PRB7
R/W
0
Bit 6
PRB6
R/W
0
Bit
B7-B0
Name
PRB7
PRB6
PRB5
PRB4
PRB3
PRB2
PRB1
PRB0
Bit 5
PRA5
R/W
0
Bit 4
PRA4
R/W
0
Bit 3
PRA3
R/W
0
Function
Bit 2
PRA2
R/W
0
Bit 1
PRA1
R/W
0
Programmable Reference A Voltage Select Bits.
See Table 9-1 and Table 9-2 for decoding.
Bit 5
PRB5
R/W
0
Bit 4
PRB4
R/W
0
Bit 3
PRB3
R/W
0
Function
Bit 2
PRB2
R/W
0
Bit 1
PRB1
R/W
0
Programmable Reference B Voltage Select Bits.
See Table 9-1 and Table 9-2 for decoding.
Bit 0
PRA0
R/W
0
Bit 0
PRB0
R/W
0
DS40122B-page 72
Preliminary
© 1996 Microchip Technology Inc.