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