LM3S9G97 Datasheet, PDF (1250/1337 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Signal Tables
Table 24-13. Connections for Unused Signals (108-Ball BGA) (continued)
Function
Signal Name
Pin Number
Acceptable Practice
Preferred Practice
OSC0
L11
NC
GND
System
Control
OSC1
RST
M11
NC
NC
H11
Pull up as shown in Figure Connect through a capacitor to
5-1 on page 193
GND as close to pin as possible
USB
USB0RBIAS
USB0DM
B12
Connect to GND through Connect to GND through 10-kΩ
10-kΩ resistor.
resistor.
C11
NC
GND
USB0DP
C12
NC
GND
a. Note that the Ethernet PHY is powered up by default. The PHY cannot be powered down unless a clock source is provided
and the MDIO pin is pulled up through a 10-kΏ resistor.
1250
Texas Instruments-Production Data
January 23, 2012