LM3S818 Datasheet, PDF (523/572 Pages) Bookham, Inc. – Microcontroller

Stellaris^® LM3S818 Microcontroller
17.5
Connections for Unused Signals
Table 17-5 on page 523 show how to handle signals for functions that are not used in a particular
system implementation. Two options are shown in the table: an acceptable practice and a preferred
practice for reduced power consumption and improved EMC characteristics.
Table 17-5. Connections for Unused Signals
Function
ADC
GPIO
System Control
Signal Name
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
All unused GPIOs
OSC0
OSC1
RST
Pin Number
1
2
3
4
48
47
-
9
10
5
Acceptable Practice
NC
Preferred Practice
GNDA
NC
GND
NC
GND
NC
NC
Pull up as shown in Figure Connect through a capacitor to
5-1 on page 155
GND as close to pin as possible
July 14, 2014
523
Texas Instruments-Production Data