
2011 Microchip Technology Inc.
DS39932D-page 23
PIC18F46J11 FAMILY
PORTA is a bidirectional I/O port.
RA0/AN0/C1INA/ULPWU/PMA6/
RP0
RA0
AN0
C1INA
ULPWU
PMA6
RP0
19
I/O
I
O
I/O
DIG
Analog
DIG
Digital I/O.
Analog input 0.
Comparator 1 input A.
Ultra low-power wake-up input.
Parallel Master Port digital output.
Remappable peripheral pin 0.
RA1/AN1/C2INA/PMA7/RP1
RA1
AN1
C2INA
PMA7
RP1
20
I/O
O
I
O
I/O
DIG
Analog
DIG
Digital I/O.
Analog input 1.
Comparator 2 input A.
Parallel Master Port digital output.
Remappable peripheral pin 1.
RA2/AN2/VREF-/CVREF/C2INB
RA2
AN2
VREF-
CVREF
C2INB
21
I/O
I
O
I
DIG
Analog
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Comparator reference voltage output.
Comparator 2 input B.
RA3/AN3/VREF+/C1INB
RA3
AN3
VREF+
C1INB
22
I/O
I
DIG
Analog
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Comparator 1 input B.
RA5/AN4/SS1/HLVDIN/RP2
RA5
AN4
SS1
HLVDIN
RP2
24
I/O
I
I/O
DIG
Analog
TTL
Analog
DIG
Digital I/O.
Analog input 4.
SPI slave select input.
High/low-voltage detect input.
Remappable peripheral pin 2.
RA6(1)
RA7(1)
See the OSC2/CLKO/RA6 pin.
See the OSC1/CLKI/RA7 pin.
TABLE 1-4:
PIC18F4XJ11 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
44-
QFN
44-
TQFP
Legend:
TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
Analog = Analog input
I
= Input
O
= Output
P
= Power
OD
= Open-Drain (no P diode to VDD)
DIG = Digital output
Note 1:
RA7 and RA6 will be disabled if OSC1 and OSC2 are used for the clock function.