ADLINK Technology SMARC LEC-MTK-I1200 User Manual page 33

LEC-MTK-i1200 User's Guide
Name Pin # Description
USB3+ S68 USB differential data pairs for port
USB3- S69 3
USB3_SSRX+ S65 Receive signal differential pairs for
USB3_SSRX- S66 SuperSpeed on port 3
USB3_SSTX+ S62 Transmit signal differential pairs
USB3_SSTX- S63 for SuperSpeed on port 3
USB3_EN_OC# P74 USB over-current sense for port 3
USB3_VBUS_DET S37 USB port 3 host power detection,
when this port is used as a device.
USB3_OTG_ID S104 Input pin to announce OTG device
insertion on USB 3.0 port
USB4+ S35 USB differential data pairs for port
USB4- S36 4
USB4_EN_OC# P76 USB over-current sense for port 4
USB5+ S59 USB differential data pairs for port
USB5- S60 5
USB5_EN_OC# S55 USB over-current sense for port 5
Note:
1. 3.3V or switched 3.3V — when an USB channel is not used, then USB[0:5]_EN_OC# pull-up rails may be held at GND to prevent current leak.
2. USB0 directly connects to the SoC and offers OTG, others share bandwidth through an USB 2.0/3.1 hub.
Page 33
I/O I/O Power
Type Level Domain
I/O USB Standby
USB
I USB SS Standby
USB SS
O USB SS Standby
USB SS
I/O OD 3.3V Standby
note
CMOS
1
I USB VBUS Standby
USB VBUS 5V
5V
I 3.3V Standby
CMOS
I/O USB Standby
USB
I/O OD 3.3V Standby
note
CMOS
1
I/O USB Standby
USB
I/O OD 3.3V Standby
note
CMOS
1
copyright © 2023 ADLINK Technology Inc.
PU / Comments
PD
From USB 3.1 HUB
DC blocking capacitors 100nF shall be placed on the
Carrier
DC blocking capacitors 100nF shall be placed on the
Carrier
PU 10k Pulled low by Module OD driver to disable USB3 power.
Pulled low by Carrier OD driver to indicate over-current
situation.
From USB 3.1 HUB
PU 10k Pulled low by Module OD driver to disable USB4 power.
Pulled low by Carrier OD driver to indicate over-current
situation.
PU 10k Pulled low by Module OD driver to disable USB5 power.
Pulled low by Carrier OD driver to indicate over-current
situation.
SGET SMARC Rev 2.1