AM79C982 Datasheet (Advanced Micro Devices) - basic Integrated Multiport Repeater

AM79C982, basic Integrated Multiport Repeater

The basic Integrated Multiport Repeater (bIMR™) chip is a VLSI circuit that provides a system-level solution to designing a compliant 802.3 repeater incorporating 10BASE-T transceivers.

The device integrates the Repeater functions speciﬁed by Section 9 of the IEEE 802.3 standard and twisted-pair Tra

PRELIMINARY Am79C982 basic Integrated Multiport Repeater (bIMR) DISTINCTIVE CHARACTERISTICS s Fully backward-compatible with existing IMR/IMR+ device non-managed hub designs Pin/socket-compatible with the Am79C980 (IMR) and Am79C981 (IMR+) devices s Repeater functions comply with IEEE 802.3 Repeater Unit speciﬁcations s Four and eight 10BASE-T port options available s Low-cost, ﬂexible solutions suitable for non-managed repeater designs s Integral 10BASE-T transceivers utilize the req

AM79C982 Features

* are accessible through a dedicated serial management port s Twisted-pair Link Test capability conforming to the 10BASE-T standard. The receive Link Test function can be optionally disabled through the management port to facilitate interoperability with devices that do not implement the Link Test fun