886LCD/ATX(GV) -/ATXU(GV)
KTD-00647-C
Public User Manual
Date: 2007-02-08 Page
32 of 71
4.11 USB Connector (USB)
The 886LCD/ATX(GV) and 886LCD/ATXU(GV) contains three USB (Universal Serial Bus) ports UHCI Host
Controllers. Each Host Controller includes a root hub with two separate USB ports each, for a total of 6 USB
ports.
The USB Host Controllers support the standard Universal Host Controller Interface (UHCI) Specification,
Rev 1.1. All 6 USB ports support both USB1.0 and USB2.0 signaling.
Over-current detection on all six USB ports is supported.
USB Port 0 and 1 are supplied on the separate Rear IO connector. USB Port 4 and 5 are supplied on the
combined ETHER, USB4, USB5 connector. USB Ports 2 and 3 are supplied on the USB2/3 connector.
4.11.1 USB Connector 0/1 (USB0/1)
USB0 and USB 1 are located on a separate Rear IO connector (I/O Bracket connector).
Note
Pull
U/D
Ioh/Iol
Type
Signal
PIN
Signal
Type
Ioh/Iol
Pull
U/D
Note
1 2 3 4
1
-
-
PWR
5V/SB5V GND
PWR
-
-
/15K
0.25/2
IO
USB0- USB0+
IO
0.25/2
/15K
1 2 3 4
1
-
-
PWR
5V/SB5V GND
PWR
-
-
/15K
0.25/2
IO
USB1- USB1+
IO
0.25/2
/15K
Note 1:
The 5V supply for the USB devices is on-board fused with a 1.5A reset-able fuse. The supply is
common for the two channels. SB5V is supplied during power down to allow wakeup on USB device activity.
In order to meet the requirements of USB v.1.1 standard, the 5V input supply must be at least 5.00V.
USB0+ USB0-
USB1+ USB1-
Differential pair works as Data/Address/Command Bus.
USB5V
5V supply for external devices. Fused with 1.5A reset-able fuse.
