PIC18F97J60 Datasheet, PDF (16/474 Pages) Microchip Technology – 64/80/100-Pin, High-Performance, 1 Mbit Flash Microcontrollers with Ethernet

PIC18F97J60 FAMILY
TABLE 1-4: PIC18F66J60/66J65/67J60 PINOUT I/O DESCRIPTIONS
Pin Name
Pin Number
TQFP
Pin
Type
Buffer
Type
Description
MCLR
OSC1/CLKI
OSC1
CLKI
OSC2/CLKO
OSC2
CLKO
RA0/LEDA/AN0
RA0
LEDA
AN0
7
I
ST Master Clear (Reset) input. This pin is an active-low Reset
to the device.
39
Oscillator crystal or external clock input.
I
ST
Oscillator crystal input or external clock source input.
ST buffer when configured in internal RC mode; CMOS
otherwise.
I
CMOS
External clock source input. Always associated
with pin function OSC1. (See related OSC2/CLKO pin.)
40
Oscillator crystal or clock output.
O
—
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
O
—
In internal 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.
24
I/O
TTL
Digital I/O.
O
—
Ethernet LEDA indicator output.
I Analog Analog input 0.
RA1/LEDB/AN1
RA1
LEDB
AN1
23
I/O
TTL
Digital I/O.
O
—
Ethernet LEDB indicator output.
I Analog Analog input 1.
RA2/AN2/VREF-
RA2
AN2
VREF-
22
I/O
TTL
Digital I/O.
I
Analog
Analog input 2.
I
Analog
A/D reference voltage (low) input.
RA3/AN3/VREF+
RA3
AN3
VREF+
21
I/O
TTL
Digital I/O.
I
Analog
Analog input 3.
I
Analog
A/D reference voltage (high) input.
RA4/T0CKI
RA4
T0CKI
28
I/O
ST
Digital I/O.
I
ST
Timer0 external clock input.
RA5/AN4
RA5
AN4
27
I/O
TTL
I Analog
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
Digital I/O.
Analog input 4.
CMOS
Analog
O
OD
= CMOS compatible input or output
= Analog input
= Output
= Open-Drain (no P diode to VDD)
DS39762A-page 14
Advance Information
© 2006 Microchip Technology Inc.