886LCD-M Family
KTD-00474-E
Public User Manual
Date: 2005-05-24
Page
42 of 78
4.10 USB Connector (USB)
The 886LCD-M/Flex, 886LCD-M/ATX and 886LCD-M/mITX contains two 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 4 USB ports.
The USB Host Controllers support the standard Universal Host Controller Interface (UHCI) Specification,
Rev 1.1. All 4 USB ports support both USB1.0 and USB2.0 signaling.
Over-current detection on all four USB ports is supported.
USB Port 0 and 2 are supplied on the combined ETHER1, USB0, USB2 connector. USB Ports 1 and 3 are
supplied on the FRONTPNL connector; please refer to the FRONTPNL connector section for the pin-out.
USB Port 2 supports USB Legacy mode.
4.10.1 USB
Connector 0/2 (USB0/2)
USB Ports 0 and 2 are mounted together with ETHER1 ethernet port.
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
USB2-
USB2+
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.
Signal
Description
USB0+ USB0-
USB2+ USB2-
Differential pair works as Data/Address/Command Bus.
USB5V
5V supply for external devices. Fused with 1.5A reset-able fuse.
