APPENDIX C OEM7700 Technical Specifications
OEM7 Installation and Operation User Manual v4
185
Pin
Signal
Name
Signal
Type
Signal
Direction
V
IL
Max
(V)
V
IH
Min
(V)
V
OL
Max
(V)
V
OH
Min
(V)
Drive
(mA)
Description
48
USB0_
D+
Analog
I/O
-
-
-
-
-
USB0 signal.
This is one half of the
USB0 differential pair.
and USB0_D-
must be length-
matched and routed as
a 90 Ω differential pair.
49
USB1_
D+
Analog
I/O
USB1 signal.
This is one half of the
USB1 differential pair.
and USB1_D-
must be length-
matched and routed as
a 90 Ω differential pair.
50
USB0_D-
Analog
I/O
USB0 signal.
This is one half of the
USB0 differential pair.
and USB0_D-
must be length-
matched and routed as
a 90 Ω differential pair.
51
UID
3.3V
CMOS
Input
-
-
-
-
-
USB Port Mode Select.
Leave this pin floating
to put USB0 into Device
mode and USB1 into
Host mode.
Tie this pin to GND to
put USB0 into Host
mode and USB1 into
Device mode.
Internal 10 kΩ pull up
