Advanced Navigation Boreas D90 - Page 29

Parameter Minimum Typical Maximum
Rx Threshold High 1.5 V 2.0 V
RS422
Tx Differential Output 1.5 V
Tx Short Circuit Current ±250 mA
Rx Differential Threshold -0.2 V -0.05 V
GPIO when set to 5 V
Output Voltage Low 0 V 0.3 V
Output Voltage High 4.8 V 5 V
Input Voltage -20 V 20 V
Input Threshold Low 1.5 V
Input Threshold High 3.5 V
Output Current 5 mA
1PPS when set to 5 V
Output Voltage Low 0 V 0.3 V
Output Voltage High 4.5 V 5 V
Output Current 50 mA
GPIO when set to 3.3 V
Output Voltage Low 0 V 0.3 V
Output Voltage High 3 V 3.3 V
Output Current 5 mA
Input Voltage -5 V 5 V
Input Threshold Low 0.8 V
Input Threshold High 2 V
1PPS when set to 3.3 V
Output Voltage Low 0 V 0.1 V
Output Voltage High 3 V 3.3 V
Output Current 50 mA
GNSS Antenna
Active Antenna Supply Voltage 4.5 V 4.6 V
Antenna Supply Current 200 mA
Alarm Output
Voltage 36 V
Current 0.5 A
On Resistance 2.5 ohms
v1.2 Page 17 11 Oct 2022
Boreas Reference Manual • Specifications