ADLINK Technology cExpress-AL - Page 23

cExpress-AL
Pinouts and Signal Descriptions 17
3.3.8. 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
USB0_HOST_PRSNT B48
Module USB client may detect the
presence of a USB host on USB0. A high
value indicates that a host is present.
I/O 3.3VSB PD 100k
OTG support
depends on OS