User's Manual

2029 Becker Dr
Lawrence, KS 66047
2.2 CAN Data Protocol Specifications
● Baud Rate: 1 Mb/s
● Frame ID: customized (Standard Frame, Extended Frame) 
● Standard: CAN Protocol 2.0 section A and B, ISO 11898-1:2015,-4
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A single data packet uses four bytes of either, a Standard or Extended CAN frame. The               
type of CAN frame used and CAN ID of the device can be customized. The CAN frame is                 
defined in table 3.
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Table 3: CAN Frame Data Packet Definition
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Proprietary information
Page 6
From
US-D1 Altimeter
To
Receiver
Byte
Data
Note
StdID
0x***
Standard ID frame
EtdID
0x********
Extended ID frame (Default 0x00090002)
1
0x**
Altitude (Most Significant 8 Bits)
2
0x**
Altitude (Least Significant 8 Bits)
3
0x**
SNR(Most Significant 8 Bits)
4
0x**
SNR(Least Significant 8 Bits)
5
0x00
(Reserved)
6
0x00
(Reserved)
7
0x00
(Reserved)
8
0x00
(Reserved)