APPENDIX A OEM719 Technical Specifications
OEM7 Installation and Operation User Manual v4
143
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
4
USB_
D+/
RXD3
Analog
/3.3V
CMOS
USB_D+:
Input/
Output
-
-
-
-
-
This pin is internally
multiplexed. USB_D+ is
the default.
USB_D+: This is one half
of a USB differential pair
(pins 3 and 4), match
lengths and route as
90 Ω differential pair if
USB is used.
RXD3: COM3 Receive
Data (UART). Internal
weak (40 kΩ to 100 kΩ)
pullup.
RXD3
Input
0.7
2.1
-
-
-
5
nRESET_
IN
3.3V
CMOS
Input
0.8
2.3
-
-
-
Active Low.
Resets the OEM719
receiver card. This pin
must be held low for a
minimum of 100
microseconds to
guarantee operation.
Internal 10 kΩ pullup.
6
VARF/
CAN1RX
3.3V
CMOS
VARF:
Output
-
-
0.4
2.9
4
This pin is internally
multiplexed. VARF is the
default.
VARF: Variable
Frequency Output. Rising
or falling edge active.
CAN1RX: a CMOS-level
signal, requiring an
external CAN
transceiver.
Internal 10 kΩ pullup.
CAN1RX:
Input
0.7
2.1
-
-
-
Содержание OEM719
Страница 1: ...OM 20000168 v4 February 2018 OEM7 Installation and Operation User Manual...
Страница 123: ...Chapter 8 NovAtel Firmware and Software OEM7 Installation and Operation User Manual v4 123...
Страница 130: ...APPENDIX A OEM719 Technical Specifications OEM7 Installation and Operation User Manual v4 130 Figure 43 OEM719 Keep outs...
Страница 150: ...APPENDIX B OEM729 Technical Specifications OEM7 Installation and Operation User Manual v4 150 Figure 50 OEM729 Keep outs...
Страница 235: ...OEM7 Installation and Operation User Manual v4 235...