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ESD CAN-USB/2 - Overview

ESD CAN-USB/2
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Overview
1. Overview
Figure 1: Block-circuit diagram of CAN-USB/2 module
The CAN-USB/2 module is an intelligent CAN interface with an ARM7 micro controller for local
CAN data management. The module supports the USB 2.0 Hi-Speed interface with data transfer
rates of 480 Mbit/s.
The ISO 11898-compliant CAN interface allows a maximum data transfer rate of 1 Mbit/s. Like
many other features of CAN interfaces, the bit rate can be set by means of software. CAN interface
and other voltage potentials are electrically isolated by means of a digital isolator and DC/DC
converters.
The supply voltage is fed via the USB bus. The module is equipped with four green LEDs in the
front panel which indicate the current module status.
Page 8 of 28
Hardware Manual • Doc. No.: C.2066.21 / Rev. 1.6
CAN-USB/2
+5 V=
+5 V=
Physical
CAN
Layer
C
A
N
B
U
S
CAN
ARM 7
Microcontroller
USB Controller
LEDs
Digital
Isolator
Electrical Isolation
DC/DC
Converter
DSUB9
CiA pinning
Power
Supply
5 V(DC)
USB-
Connector