Implementing a carrier-band node using VLSI
Erickson, I.L.
Industrial Electronics, IEEE Transactions on
Volume 35, Issue 1, Feb 1988 Page(s):1 - 5
Digital Object Identifier 10.1109/41.3055
Summary: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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