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TMS320C5515
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
Table 2-13. USB2.0 Terminal Functions (continued)
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SIGNAL
NAME
NO.
TYPE (1)
(2)
OTHER (3)
(4)
DESCRIPTION
Analog 3.3 V power supply for USB PHY.
USB_V DDA3P3
H12
S
see
Section 4.2 ,
ROC
This signal must be powered on in the order listed in Section 5.3.1 , Power-Supply
Sequencing .
When the USB peripheral is not used, the USB_V DDA3P3 signal should be
connected to ground (V SS ).
see
USB_V SSA3P3
H11
GND
Section 4.2 ,
Analog ground for USB PHY.
ROC
Analog 1.3 V power supply for USB PHY. [For high-speed sensitive analog circuits]
USB_V DDA1P3
H10
S
see
Section 4.2 ,
ROC
This signal must be powered on in the order listed in Section 5.3.1 , Power-Supply
Sequencing .
When the USB peripheral is not used, the USB_V DDA1P3 signal should be
connected to ground (V SS ).
see
USB_V SSA1P3
H9
GND
Section 4.2 ,
Analog ground for USB PHY [For high speed sensitive analog circuits].
ROC
1.3-V digital core power supply for USB PHY.
USB_V DD1P3
J13
S
see
Section 4.2 ,
ROC
This signal must be powered on in the order listed in Section 5.3.1 , Power-Supply
Sequencing .
When the USB peripheral is not used, the USB_V DD1P3 signal should be connected
to ground (V SS ).
see
USB_V SS1P3
H13
GND
Section 4.2 ,
Digital core ground for USB phy.
ROC
see
3.3 V USB Analog PLL power supply.
USB_V DDPLL
G8
S
Section 4.2 ,
ROC
When the USB peripheral is not used, the USB_V DDPLL signal should be connected
to ground (V SS ).
see
USB_V SSPLL
G11
GND
Section 4.2 ,
USB Analog PLL ground.
ROC
32
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