162
OEM6 Family Installation and Operation User Manual Rev 7
Table 38: 3.3V CMOS Electrical Characteristics (-40 to 85
°
C
)
80
HSUSB1_VBUS
USB
Input
-
-
Used by the card to monitor
activity on the USB1 interface.
This pin cannot supply current to
hosted devices but must be
connected for normal operation.
82
HSUSB1_VBUS_EN 3.3V CMOS Output
Active
High
3
Control for an external 5 V power
switch for USB1.
84
H
USB
IO
-
-
The differential data pair for
USB1.
86
HSUSB1_D-
USB
IO
-
-
88
Reserved
90
GND
-
-
92
GND
-
-
94
4V5_36V_INPUT
Wide Range
Supply
Input
-
-
These pins may connect to an
external wide range supply input.
This is the preferred supply input
for the wide-range supply (see
also P4001).
If 4V5_36V_INPUT is
used, do not connect to
3V3_EXT.
96
4V5_36V_INPUT
-
-
98
4V5_36V_INPUT
-
-
100
4V5_36V_INPUT
-
-
Pin
Signal Name
Signal Type
Signal
Direction Polarity
Drive
Strength
(mA)
Description
The expansion connector on the OEM638 card is Samtec’s BSH-050-01-L-D-A-TR. It
mates with
Samtec ASP-166000-01
(this is a semi-custom part from Samtec that provides
a mated height of 14 mm). The standard mating height for the OEM638 card is 14 mm.
Drive
Strength
V
IL
V
IH
V
OL
V
OH
R
PULL-
UP
R
PULL-
DOWN
(mA)
min (V) max (V) min (V) max (V) max (V) min (V) typ (
Ω
)
typ (
Ω
)
2
-0.3
0.8
2
3.6
0.4
2.4
300
100
4
-0.3
0.8
2
3.6
0.4
2.4
300
100
8
-0.3
0.8
2
3.6
0.4
2.4
150
50
