Microchip Technology IC PIC MCU PIC18F65J15-I/PT TQFP-64 MCP PIC18F65J15-I/PT Data Sheet
Product codes
PIC18F65J15-I/PT
© 2009 Microchip Technology Inc.
DS39663F-page 17
PIC18F87J10 FAMILY
TABLE 1-4:
PIC18F8XJ10/8XJ15 PINOUT I/O DESCRIPTIONS
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
TQFP
MCLR
9
I
ST
Master Clear (Reset) input. This pin is an active-low Reset to
the device.
the device.
OSC1/CLKI
OSC1
CLKI
49
I
I
ST
CMOS
Oscillator crystal or external clock input.
Oscillator crystal input or external clock source input.
ST buffer when configured in RC mode; CMOS
otherwise.
External clock source input. Always associated with
pin function OSC1. (See related OSC1/CLKI,
OSC2/CLKO pins.)
ST buffer when configured in RC mode; CMOS
otherwise.
External clock source input. Always associated with
pin function OSC1. (See related OSC1/CLKI,
OSC2/CLKO pins.)
OSC2/CLKO
OSC2
CLKO
50
O
O
—
—
Oscillator crystal or clock output.
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In RC mode, OSC2 pin outputs CLKO which has
1/4 the frequency of OSC1 and denotes the
instruction cycle rate.
resonator in Crystal Oscillator mode.
In RC mode, OSC2 pin outputs CLKO which has
1/4 the frequency of OSC1 and denotes the
instruction cycle rate.
PORTA is a bidirectional I/O port.
RA0/AN0
RA0
AN0
AN0
30
I/O
I
TTL
Analog
Digital I/O.
Analog input 0.
Analog input 0.
RA1/AN1
RA1
AN1
AN1
29
I/O
I
TTL
Analog
Digital I/O.
Analog input 1.
Analog input 1.
RA2/AN2/V
REF
-
RA2
AN2
V
AN2
V
REF
-
28
I/O
I
I
I
TTL
Analog
Analog
Analog
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Analog input 2.
A/D reference voltage (low) input.
RA3/AN3/V
REF
+
RA3
AN3
V
AN3
V
REF
+
27
I/O
I
I
I
TTL
Analog
Analog
Analog
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Analog input 3.
A/D reference voltage (high) input.
RA4/T0CKI
RA4
T0CKI
T0CKI
34
I/O
I
ST
ST
ST
Digital I/O.
Timer0 external clock input.
Timer0 external clock input.
RA5/AN4
RA5
AN4
AN4
33
I/O
I
TTL
Analog
Digital I/O.
Analog input 4.
Analog input 4.
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 V
DD
)
I
2
C/SMB = I
2
C™/SMBus input buffer
Note 1:
Alternate assignment for ECCP2/P2A when Configuration bit, CCP2MX, is cleared (Extended Microcontroller mode).
2:
Default assignment for ECCP2/P2A for all devices in all operating modes (CCP2MX is set).
3:
Default assignments for P1B/P1C/P3B/P3C (ECCPMX Configuration bit is set).
4:
Alternate assignment for ECCP2/P2A when CCP2MX is cleared (Microcontroller mode).
5:
Alternate assignments for P1B/P1C/P3B/P3C (ECCPMX Configuration bit is cleared).