
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
Table 2-21. Supply Voltage Terminal Functions (continued)
SIGNAL
NAME
NO.
TYPE (1)
(2)
OTHER (3)
(4)
DESCRIPTION
see
Analog 1.3 V power supply for USB PHY. [For high-speed sensitive analog circuits]
USB_V DDA1P3
H10
S
ROC
When the USB peripheral is not used, the USB_V DDA1P3 signal should be
connected to ground (V SS ).
see
Analog 3.3 V power supply for USB PHY.
USB_V DDA3P3
H12
S
ROC
When the USB peripheral is not used, the USB_V DDA3P3 signal should be
connected to ground (V SS ).
see
3.3-V power supply for USB oscillator.
USB_V DDOSC
V DDA_ANA
G12
A10
S
PWR
ROC
When the USB peripheral is not used, USB_V DDOSC should be connected to
ground (V SS ).
1.3-V supply for power management and 10-bit SAR ADC
This signal can be powered from the ANA_LDOO pin.
Copyright ? 2010–2013, Texas Instruments Incorporated
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