Laptop/CAN Interface

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The Laptop/CAN Interface sits at the head of the CAN bus and has a CAN address of 1, giving it highest device priority next to the E-Stop.

Parts

Part numbers listed are those of the Digi Key Corporation parts database.

Processor

CAN Specific

  • MCP2515 - U2 - Microchip CAN Controller with SPI Interface
  • MCP2551 - U1 - Microchip CAN TransponderP966-ND
  • 770-61-R10K-ND - RN1 - 10k ohm Resistor Network, 5 of 6 pins are used

Onboard Power Control

  • UA78M05DCY - U4 - 5V Linear Regulator
  • 1N4004GICT-ND - D1 - Diode
  • P966-ND - C1,C2 - 10 microfarad Capacitor
  • 399-2127-ND - C3,C4 - 0.1 microfarad Capacitor

Oscillator

  • 300-7022-1-ND - U3 - 11.0592 MHZ Clock Siqnal Oscillator

Headers

  • A19423-ND - J1 - Power 2-pin header
  • A19430-ND - J2 - CAN 3-pin header
  • A19434-ND - J3 - Connect laptop to interface 7-pin header

Misc.

  • 377-1090-ND - Box to contain the module
  • 1892K-ND - Standoffs

Electrical

LaptopCAN Schematic.png LaptopCAN Board.png

Code

See IGVC Laptop for information on code that talks with this interface.