User manual

MCP2515 CAN Bus Monitor Demo Board User’s Guide

2.3 GETTING STARTED

The MCP2515 CAN Bus Monitor Demo Board is a fully functional, assembled, and

tested kit used to demonstrate the MCP2515 in a CAN bus environment. The following

describes the basic setup and operation. See Figure 2-1 and Figure 2-2 for a simplified

functional diagram and block diagram. Basic Setup:

1. Connect the two boards together using the supplied ribbon cable

2. Connect the USB cable to PC

3. Start the bus monitor software. Both boards will be configured to 125 kb/s CAN

rate by default. Select “Device > Connect” to connect the board to the GUI.

4. Can now generate traffic (press the “LOAD” button on traffic generator board).

FIGURE 2-1: BLOCK DIAGRAM

MCP2515

PIC18F4550

ICSP HEADER

Serial and INT

Pins Header

GND

RESET

POWER

Jumpers: Shorted by

default on PCB

bottom

USB

EXT

MCP2551

CAN

USB

CAN (ALT)

+5V from

CAN cable

TX/RX

Header

Bus Loading (%)

50 75 100

CAN

(default)

+5V

LOAD

Bus test

points