TAM-3517 HARDWARE MANUAL rev B
July 3 2012, TechNexion
51
8.1
Serial Communication Interfaces - HECC CAN Bus Signals Description
The AM3517 device has a High-End Controller Area Network Controller (HECC). The HECC
uses established protocol to communicate serially with other controllers in harsh environments.
The HECC is fully compliant with the Controller Area Network (CAN) protocol, version 2.0B.
SIGNAL NAME
DESCRIPTION
TYPE PIN TAM-3517
HECC1_TXD
Transmit serial data pin
O
29
HECC1_RXD
Receive serial data pin
I
26
TechNexion recommends using the TI SN65HVDA540QDR CAN Transceiver on your
Baseboard.
The SN65HVDA540 meets or
exceeds the specifications of the ISO 11898 standard
for use in
applications employing a Controller Area Network (CAN). The device is qualified for use in
automotive applications.
As a CAN transceiver, this device provides differential transmit capability to the bus and
differential receive capability to a CAN controller at signaling rates up to 1 megabit per second
(Mbps).
Designed for operation in especially harsh environments, the SN65HVDA540 features cross-
wire, bus over voltage, loss of ground protection, over temperature thermal shut down protection,
and a wide common-mode range.
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