
PIC24F16KL402 FAMILY
DS31037B-page 24
 2011 Microchip Technology Inc.
For additional information and design guidance on
oscillator circuits, please refer to these Microchip
Application Notes, available at the corporate web site
(www.microchip.com):
 AN826, “Crystal Oscillator Basics and Crystal
Selection for rfPIC and PICmicro Devices”
 AN849, “Basic PICmicro Oscillator Design”
 AN943, “Practical PICmicro Oscillator Analysis
and Design”
 AN949, “Making Your Oscillator Work”
2.6
Unused I/Os
Unused I/O pins should be configured as outputs and
driven to a logic low state. Alternatively, connect a 1 k
to 10 k resistor to VSS on unused pins and drive the
output to logic low.