SkyWave IDP 700 Series, Hardware Manual

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IDP 700 Terminal Series - Hardware Guide
© SkyWave Proprietary 15 T206, Version 01
3.8.1 CAN
The driver provides CAN Bus link layer interfaces for sending and receiving frames.

Open/Close CAN device.

Configure/change CAN frame format, baud rate, acceptance filters.

Interrupting service for receive, transmit.

Receive and transmit message queue management.
CANbus
Parameter Value
Operating Mode Half-duplex
Version 2.0 A, B
Supported Data Rate Up to 1 Mbps
Filter Banks 14
3.8.2 RS-485
The electrical characteristics of the interface are:
Parameter Minimum Typical Maximum Units
Input Common Mode Voltage -7.0 - +12 V
Differential Input Threshold -200 -125 -50 mV
Output Common Mode Voltage - 1.5 3.0 V
Differential Drive Output, 54 Ω load
1.5 - - V
3.8.3 RS-232
The RS-232 interface defaults to the following settings: 9600 bit/s, 1 start, 8 data, 1 stop
bit, no parity. The baud rate is configurable up to 230,400 bit/s.
The electrical characteristics of the interface are:
Parameter Minimum Typical Maximum Units
Serial Rx Input Low Threshold -2.7 - - V
Serial Rx Input High Threshold - - 2.7 V
Serial Tx Low Output
(3 K load) - - -3.7 V
Serial Tx High Output
(3 K load) 3.7 - - V