Datasheet

Table 21-10. Connections for Unused Signals, 108-pin BGA (continued)
Preferred PracticeAcceptable PracticePin NumberSignal NameFunction
Connect to GND through
12.4-kΩ resistor.
Connect to GND through
12.4-kΩ resistor.
K3ERBIAS
Ethernet
GNDGNDC8
C9
K4
GNDPHY
NCNCL9MDIO
a
GNDNCL7RXIN
GNDNCM7RXIP
GNDNCL8TXON
GNDNCM8TXOP
VDDVDDC10
D10
D11
VCCPHY
NCNCJ1XTALNPHY
a
GNDNCJ2XTALPPHY
a
GNDNC-All unused GPIOsGPIO
NCNCM12HIB
Hibernate
GNDNCL12VBAT
GNDNCM10WAKE
GNDNCK11XOSC0
NCNCK12XOSC1
NCNC-NCNo Connects
GNDNCL11OSC0
System
Control
NCNCM11OSC1
Connect through a capacitor to
GND as close to pin as
possible
Pull up as shown in Figure
5-1 on page 177
H11RST
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.
June 18, 2012746
Texas Instruments-Production Data
Signal Tables
NRND: Not recommended for new designs.