Implementing a carrier-band node using VLSI
Erickson, I.L.
Motorola, West Austin, TX;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb 1988
Volume: 35,
Issue: 1
On page(s): 1-5
ISSN: 0278-0046
References Cited: 3
CODEN: ITIED6
INSPEC Accession Number: 3130945
Digital Object Identifier: 10.1109/41.3055
Current Version Published: 2002-08-06
Abstract
With the IEEE 802.4 token bus standard rapidly gaining acceptance
because of its useful features and inclusion in the GM MAP (General
Motors manufacturing automation protocol) specification, semiconductor
companies are implementing this standard. A carrier-band implementation
can provide a low-cost token bus node with up to 10 Mbs data rates. A
carrier-band node that includes a token bus controller (TBC),
carrier-band modem (CBM), host processor, and memory can be quickly and
inexpensively designed using VLSI computer-aided design (CAD)
techniques. One such implementation is presented. The token bus
controller (TBC) implements the medium-access control (MAC) function in
accordance with the IEEE 802.4 standard. The carrier-band modem (CBM)
chip implements the 802.4 carrier-band physical layer. An IEEE
recommended standard serial interface is used to pass information
between the carrier-band modem and the token bus controller
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