Page 20
Express-HLE
3.3.9
USB
Signal
Pin # Description
I/O
PU/PD
Comment
USB0+
USB0-
A46
A45
USB differential data pairs for Port 0
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB1+
USB1-
B46
B45
USB differential data pairs for Port 1
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB2+
USB2-
A43
A42
USB differential data pairs for Port 1
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB3+
USB3-
B43
B42
USB differential data pairs for Port 2
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB4+
USB4-
A40
A39
USB differential data pairs for Port 3
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB5+
USB5-
B40
B39
USB differential data pairs for Port 4
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB6+
USB6-
A37
A36
USB differential data pairs for Port 5
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB7+
USB7-
B37
B37
USB differential data pairs for Port 6
I/O 3.3VSB
USB 1.1/ 2.0 compliant
USB_0_1_OC#
B44
USB over-current sense, USB ports 0 and 1. A pull-up
for this line shall be present on the module. An open
drain driver from a USB current monitor on the carrier
board may drive this line low.
I 3.3VSB
PU 10k 3.3VSB
Do not pull high on carrier
USB_2_3_OC#
A44
USB over-current sense, USB ports 2 and 3. A pull-up
for this line shall be present on the module. An open
drain driver from a USB current monitor on the carrier
board may drive this line low. .
I 3.3VSB
PU 10k 3.3VSB
Do not pull high on carrier
USB_4_5_OC#
B38
USB over-current sense, USB ports 4 and 5. A pull-up
for this line shall be present on the module. An open
drain driver from a USB current monitor on the carrier
board may drive this line low.
I 3.3VSB
PU 10k 3.3VSB
Do not pull high on carrier
USB_6_7_OC#
A38
USB over-current sense, USB ports 6 and 7. A pull-up
for this line shall be present on the module. An open
drain driver from a USB current monitor on the carrier
board may drive this line low.
I 3.3VSB
PU 10k 3.3VSB
Do not pull high on carrier
