2009 Microchip Technology Inc.
DS39682E-page 13
PIC18F45J10 FAMILY
PORTA is a bidirectional I/O port.
RA0/AN0
RA0
AN0
227
I/O
I
TTL
Analog
Digital I/O.
Analog Input 0.
RA1/AN1
RA1
AN1
328
I/O
I
TTL
Analog
Digital I/O.
Analog Input 1.
RA2/AN2/VREF-/CVREF
RA2
AN2
VREF-
CVREF
41
I/O
I
O
TTL
Analog
Digital I/O.
Analog Input 2.
A/D reference voltage (low) input.
Comparator reference voltage output.
RA3/AN3/VREF+
RA3
AN3
VREF+
52
I/O
I
TTL
Analog
Digital I/O.
Analog Input 3.
A/D reference voltage (high) input.
RA5/AN4/SS1/C2OUT
RA5
AN4
SS1
C2OUT
74
I/O
I
O
TTL
Analog
TTL
—
Digital I/O.
Analog Input 4.
SPI slave select input.
Comparator 2 output.
TABLE 1-2:
PIC18F24J10/25J10 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
SPDIP,
SOIC,
SSOP
QFN
Legend:
TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
I
= Input
O
= Output
P
= Power
Note 1:
Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
2:
Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
