Table 17-10. Connections for Unused Signals, 108-pin BGA
Preferred PracticeAcceptable PracticePin NumberSignal NameFunction
Connect to GND through 12.4-kΩ
resistor.
Connect to GND through
12.4-kΩ resistor.
K3ERBIASEthernet
NCNCL9MDIO
GNDNCL7RXIN
GNDNCM7RXIP
GNDNCL8TXON
GNDNCM8TXOP
NCNCJ1XTALNPHY
GNDNCJ2XTALPPHY
GNDNC-All unused GPIOsGPIO
NCNC-NCNo Connects
GNDNCL11OSC0System
Control
NCNCM11OSC1
Connect through a capacitor to
GND as close to pin as possible
Pull up as shown in Figure
6-1 on page 64
H11RST
483June 22, 2010
Texas Instruments-Production Data
Stellaris® LM3S8530 Microcontroller