GMW GMW3089 GMLAN Single Wire CAN Physical and Data Link Layers Specification
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GMW GMW3089 Document Information:
Title
GMLAN Single Wire CAN Physical and Data Link Layers Specification
GM Worldwide
Publication Date:
Dec 1, 2004
Scope:
This document specifies the physical layer requirements for a Carrier
Sense Multiple
Access/Collision Resolution (CSMA/CR) data link which operates on a
single wire medium to
communicate among Electronic Control Units (ECU) on road vehicles at
normal transmission rates of
33.333 Kbits/s and at a special high speed assembly or service
transmission bit rate of 83.333
Kbits/s.
This document is to be referenced by the particular Component
Technical Specification which
describes any given ECU in which the single wire data link controller
and physical layer interface
is located. Only the performance of the data link physical layer is
specified in this document. ECU
environmental and other requirements shall be provided in the
Component Technical Specification.
The intended audience includes, but is not limited to ECU suppliers,
Controller Area Network (CAN)
controller suppliers, CAN transceiver suppliers, component release
engineers and platform system
engineers.
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