LM3S628 Datasheet, PDF (483/531 Pages) List of Unclassifed Manufacturers – Microcontroller

Stellaris^® LM3S628 Microcontroller
15.5
Connections for Unused Signals
Table 15-5 on page 483 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 15-5. Connections for Unused Signals
Function
ADC
GPIO
System
Control
Signal Name
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
All unused GPIOs
OSC0
OSC1
RST
Pin Number
1
2
3
4
48
47
46
45
-
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 152
GND as close to pin as possible
July 14, 2014
483
Texas Instruments-Production Data