KTD-N0882-I
Page 37
IO-Area Connectors
KTQ87/KTH81 Users Guide
USB Connector 2/3 (USB2/3)
USB Ports 2 and 3 are mounted together with LAN1 port and supports USB3.0/USB2.0.
Note Type
Signal
PIN
Signal
Type Note
IO
USB3-
USB3+
IO
1
PWR
5V/SB5V
1 2 3 4
GND
PWR
IO
RX3-
5 6 7 8 9
TX3+
IO
IO
RX3+ TX3-
IO
PWR
GND
IO
USB2-
USB2+
IO
1
PWR
5V/SB5V
1 2 3 4
GND
PWR
IO
RX2-
5 6 7 8 9
TX2+
IO
IO
RX2+ TX2-
IO
PWR
GND
Note 1:
In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.
Signal
Description
USBn+ USBn-
RXn+ RXn-
TXn+ TXn-
(n= 2,3)
Differential pair works as serial differential receive/transmit data lines.
5V/SB5V
5V supply for external devices. SB5V is supplied during power-down to allow wakeup
on USB device activity. Protected by resettable 2A fuse covering both USB ports.