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Signal
Pin#
USB3+
B43
USB3-
B42
USB_0_1_OC# B44
USB_2_3_OC# A44
USB0_HOST_
B48
PRSNT
Notes:
1. SOM-5992 is NC pin.
Description
USB Port 3, data + or D+
USB Port 3, data + or D-
Carrier board:
Device - Connect to D+/-
Conn. - Connect 90Ω @100MHz Common Choke in
series and ESD suppressors to GND to Pin 3 D+ / Pin 2 D-
N/C if not used
USB over-current sense, USB channels 0 and 1. A pull-up
shall
for this line
be present on the Module. An open drain
driver from a USB current monitor on the Carrier Board
may
drive this line low. Do not pull this line high on the
Carrier Board.
Connect to Overcurrent of Power Distribution Switch and
Bypass 0.1uF to GND
N/C if not used
USB over-current sense, USB channels 0 and 1. A pull-up
shall
for this line
be present on the Module. An open drain
driver from a USB current monitor on the Carrier Board
may
drive this line low. Do not pull this line high on the
Carrier Board.
Connect to Overcurrent of Power Distribution Switch and
Bypass 0.1uF to GND
N/C if not used
may
Module USB client
on USB0. A high value indicates that a host is present.
Carrier Board:
N/C if not used
detect the presence of a USB host
６８
I/O
Note
I/O USB
I 3.3V
SUSPEND
/
3.3V
CMOS
I 3.3V
SUSPEND
/
3.3V
CMOS
I 3.3V
1
SUSPEND
/
3.3V
CMOS
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