TJA1044 is a 8p high speed CAN tranceiver with standby function. This device is available with or without Vio.
The PCB is prepared to test a Vio or non Vio variant or use a Vio type as a non Vio type( Vio is connected to VCC as a non Vio).
For this project a two layer board is designed, top layer is also used for grounding.
The board can be conenctd via a single row IDE conenctor, the pin connection is printed on the silkscreen.
Settings like standby/normal mode, VCC/VIO and termination are done by jumpers. The CAN bus has two connectors in parrallell to create a network.
For network purpose there is a 120 ohm and 60 ohm termination on board.