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USB Enable / Overcurrent Internal Header
Pin
Signal
Pin
1
GND
3
GND
5
GND
7
GND
by current-limited power switch IC for +5V
USB3_EN_OC#: USB over-current sense signal for USB Port #3. Active Low Input Signal, driven by current-limited power switch IC for VBUS_C and manged by
SMARC
®
module
CSM-B79
CSM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: A.R - Reviewed by S.R. - Copyright © 2021 SECO S.p.A.
For debugging purposes, onCSM-B79 carrier board it is also available an 8-pin
CN80
connector, type Adimpex p/n LE008208-R or equivalent, for the connection of
USBx_EN_OC# signals.
Signal
USB0_EN_OC#: USB over-current sense signal for USB Port #0. Active Low Input Signal, driven
2
USB0_EN_OC#
by current-limited power switch IC for +5V_USB0_VBUS and manged by SMARC
4
USB1_EN_OC#
USB1_EN_OC#: USB over-current sense signal for USB Port #1. Active Low Input Signal, driven
6
USB2_EN_OC#
by current-limited power switch IC for +5V
8
USB3_EN_OC#
USB2_EN_OC#: USB over-current sense signal for USB Port #2. Active Low Input Signal, driven
and manged by SMARC
USB2
®
module
®
and manged by SMARC
module
USB1
®
module
61
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