Texas Instruments C28 Series Student Guide

Enhanced Controller Area Network (eCAN)
CAN Bus and Node
CAN Bus
CAN
NODE B
CAN
NODE A
CAN
NODE C
CAN_H
CAN_L
 Two wire differential bus (usually twisted pair)
 Max. bus length depend on transmission rate
 40 meters @ 1 Mbps
120Ω
120Ω
The DSP communicates to the CAN Bus using a transceiver. The CAN bus is a twisted pair wire,
and the transmission rate depends on the bus length. If the bus is less than 40 meters the
transmission rate is capable up to 1 Mbit/second.
CAN Node
Wired-AND Bus Connection
RXTX
5V
CAN Controller
(e.g. TMS320F2812)
CAN Transceiver
(e.g. TI SN65HVD23x)
CAN_L
CAN_H
120Ω
120Ω
C28x - Communications 11 - 21

Texas Instruments C28 Series Specifications

General

Brand	Texas Instruments
Model	C28 Series
Category	Computer Hardware
Language	English