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VT-SBC-3399 | User Manual 18
2.4.8
J14 I
2
C connector (8)
VT-SBC-3399 implements an I
2
C connector to connect a touch panel.
Specification: MOLEX: 53261-0671, 1 x 6, 1.25mm
Pinout description:
Pin
Name
Type
Description
1
VCC3V0_TOUCH
P
3.0V power output
2
I2C4_SCL_TP
O
I2C clock, 3.0V level
3
I2C4_SDA_TP
I/O
I2C data, 3.0V level
4
RS485_A
I/O
RS485 Bus2 I/O port A
5
TOUCH_INT_L
O
TP interruption, 3.0Vlevel
6
GND
P
Ground
2.4.9
U2 USB 2.0 Type-A & USB 3.0 Type-A (9)
VT-SBC-3399 implements a USB 2.0 Type-A and a USB 3.0 Type-A that are stacked in layers
to connect peripherals.
Specification: FOXCONN: UEA1112C-UHS6-4F. The maximum output of USB 3.0 Type-A is
5V/1A, and the maximum output of USB 2.0 Type-A is 5V/0.5A.
The pinout of the interfaces is in line with the pin assignment of standard USB 2.0 Type-A
and USB 3.0 Type-A.
2.4.10
J13/J17/J18 USB 2.0 Host connectors (10)
VT-SBC-3399 has 3 USB 2.0 HOST connectors. J13 could be used for the USB connector of
the Mini-PCIe socket.
Specification: NSXD: S2001WV-4P, 1 x 4, 2.0mm. The maximum output of each connector
is 5V/0.5A.
1
