ADLINK Technology SMARC MODULE LEC-EL, Product Specification

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ADLINK Technology Inc. LEC-EL Product specification
Page 4 copyright © 2021 ADLINK Technology Inc.
4.3.5 USB ports
Name Pin
# Description I/O
Type I/O
Level Power
Domain PU /
PD Comments
USB0+
USB0- P60
P61 USB differential data pairs for
port 0 I/O
USB USB Standby
USB0_EN_OC# P62 USB over-current sense for
port 0 I/O OD
CMOS 3.3Vsb /
3.3V
Standby PU 10k Pulled low by Module OD driver to disable USB0
power. Pulled low by Carrier OD driver to indicate
over-current situation.
USB0_VBUS_DET P63 USB port 0 host power
detection,
when this port is used as a
device. I
USB VBUS
5V USB VBUS
5V Standby Can be connected to a USB client port VBUS pin
USB0_OTG_ID P64 Input pin to announce OTG
device insertion on USB 2.0
port I
CMOS 3.3Vsb /
3.3V Standby
USB1+
USB1- P65
P66 USB differential data pairs for
port 1 I/O
USB USB Standby
USB1_EN_OC# P67 USB over-current sense for
port 1 I/O OD
CMOS 3.3Vsb /
3.3V
Standby PU 10k Pulled low by Module OD driver to disable USB0
power. Pulled low by Carrier OD driver to indicate
over-current situation.
USB2+
USB2- P69
P70 USB differential data pairs for
port 2 I/O
USB USB Standby
US
USB2_SSRX- S74
S75 Receive signal differential
pairs for SuperSpeed on port 2 I
USB SS USB SS Standby Coupling caps for RX pairs are on the USB Device
US
USB2_SSTX- S71
S72 Transmit signal differential
pairs for SuperSpeed on port 2 O
USB SS USB SS Standby Coupling caps for TX pairs are on the Module
USB2_EN_OC# P71 USB over-current sense for
port 2 I/O OD
CMOS 3.3Vsb /
3.3V
Standby PU 10k Pulled low by Module OD driver to disable USB0
power. Pulled low by Carrier OD driver to indicate
over-current situation.