UM0529
Pin assignments
19/29
Refer to the relevant datasheet of the device for a detailed description.
Pin no.
Symbol
I/O
Name and function
14
VBUS
I
USB bus supply voltage (4 V to 5.5 V). Supplies power to the USB
transceiver and internal circuitry.
15
VIF
I
System interface supply voltage (1.6 V To 3.6 V). Provides reference
supply voltage for system I/O interface signals.
16
VBUSDET
O
VBUS indicator output. When VBUS > 2.9 V, VBUSDET = high and when
< 2.2V , VBUSDET = low.
EXP
N.C.
Not Connected
Table 15.
Pin description for STUSB03 transceiver (continued)
www.BDTIC.com/ST