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1 technical guide – COMMELL MPX-2515 User Manual

Page 4

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Commell MPX-2515 User’s Guide Rev 0101

Taiwan Commate Computer Inc.

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1 Technical

Guide

1.1 Introduction

The MPX-2515 CAN 2.0B USB card is a USB 2.0 compliant device, which
implements Controller Area Network (CAN) version 2.0B interface. This card is
made in Mini-PCIe form factor so that this module is able to insert into motherboards
that provide Mini-PCIe slot, like most Commell motherboards do. In addition, users
are able to connect this card to an USB Type A receptacle that most PC has by using
the OALUSB-H4-1 optional cable. MPX-2515 CAN 2.0B USB card provides the
following features.

1.1.1 Features

• USB 2.0 Full Speed compliant

• Controller Area Network (CAN) version 2.0B

• Implement ISO-11898 Standard Physical Layer

• Supports 1 Mb/s operation (recommend 125 Kbps)

• Default to 125 Kbps

• On board 120 Ohm line terminator (enabled/disabled by jumper)

• 0 to 8 byte length in the data field

• Standard and extended data and remote frames

• Two receive buffers with prioritized message storage

• Six 29-bit filters

• Two 29-bit masks

• Data byte filtering on the first two data bytes

• One-shot mode ensures message transmission is attempted only one time

• Typical 5 mA active current
• Typical 1 uA standby current (sleep mode)

• Externally-controlled slope for reduced RFI emissions

• Detection of ground fault (permanent Dominant) on TXD input

• Power-on Reset and voltage brown-out protection

• Protection against high-voltage transients

• Automatic thermal shutdown protection

• Up to 112 nodes can be connected

• High-noise immunity due to differential bus implementation

• IEC 61000-4-2 (ESD) ± 15kV (air/contact) protection

• IEC 61000-4-4 (EFT) 50A (5/50ns) protection

• Produced in Mini-PCIe card form factor (easily locked on motherboard)