CCOMe-C96
CCOMe-C96 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by C.M. Copyright © 2021 SECO S.p.A.
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USB_6+/USB_6-: USB 2.0 Port #6 differential pair
USB_7+/USB_7-: USB 2.0 Port #7 differential pair
Common mode chokes are placed on all USB differential pairs for EMI compliance.
For ESD protection, on all data and voltage lines are placed clamping diodes for voltage transient suppression.
+5V
USB4
,
+5V
USB5
, +5V
USB6
,
+5V
USB7
, are derived from +5V_ALW through a 600mA current limited power switch.
For debugging purposes, onboard it is also available an 8-pin connector,
type Adimpex p/n LE008208-R or equivalent, for the connection of
USBx_EN_OC# signals.
USB_0_1_OC#: USB over-current sense signal for USB channels #0 and #1. Active
Low Input Signal, electrical level +3.3V_ALW, manged by COM Express module.
USB_2_3_OC#: USB over-current sense signal for USB channels #2 and #3. Active
Low Input Signal, electrical level +3.3V_ALW, manged by COM Express module.
USB_4_5_OC#: USB over-current sense signal for USB channels #4 and #5. Active
Low Input Signal, electrical level +3.3V_ALW, manged by COM Express module.
USB_6_7_OC#: USB over-current sense signal for USB channels #6 and #7. Active Low Input Signal, electrical level +3.3V_ALW, manged by COM Express
module.
USB Overcurrent header CN55
Pin Signal
Pin Signal
1
GND
2
USB_0_1_OC#
3
GND
4
USB_2_3_OC#
5
GND
6
USB_4_5_OC#
7
GND
8
USB_6_7_OC#