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APPENDIX A IMU Technical Specifications
OEM7 SPAN Installation and Operation User Manual v14
264
Pin
Signal
Type
Description
Comments
19
EVENT1/
COM3 TX
Input
Event1 input/
COM3 transmit
data
Only available in board stackup with OEM719
In standalone, no connect
The Event1 input is enabled by default and the COM3 port
is disabled by default. If you enable the COM3 port, the
Event1 input is disabled.
20
DGND
Power
Digital ground
21
MIC TX
Output
In board stackup with OEM719, this pin is for firmware
download
In standalone use, this pin can be used for either firmware
download and/or for IMU data communication to a SPAN
receiver
22
MIC RX
Input
In board stackup with OEM719, this pin is for firmware
download
In standalone use, this pin can be used for either firmware
download and/or for IMU data communication to a SPAN
receiver
23
DGND
Power
24
USER_
TXD2
Output
In board stackup with OEM719, this is the access to the
OEM719 COM2 port
In standalone, no connect
25
USER_
RXD2
Input
In board stackup with OEM719, this is the access to the
OEM719 COM2 port
In standalone, no connect
26
DGND
Power
Digital ground
27
PV
Output
Access to
OEM719 position
valid
Only available in board stackup with OEM719
In standalone, no connect
28
DGND
Power
Digital ground
29
1PPS
Output
Access to
OEM719 1PPS
Only available in board stackup with OEM719
In standalone, no connect
30
CAN2 TX
Output
CAN2 transmit
data
Only available in board stackup with OEM719
In standalone, no connect
All signal I/O with the exception of USB port are at LVCMOS levels.