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COM90C66
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COM90C66 ARCNET Controller/Transceiver

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COM90C66 ARCNET Controller/Transceiver

The SMSC COM90C66 is a special purpose communications controller for interconnecting processors and intelligent peripherals using the ARCNET Local Area Network. The COM90C66 is unique in that it integrates the core ARCNET logic found in Standard Microsystems' original COM90C26 and COM90C32 with an o.

Features










• ARCNET LAN Controller/Transceiver/ Support Logic/Dual-Port RAM Integrates SMSC COM90C65 with 16-Bit Data Bus, Dual-Port RAM, and Enhanced Diagnostics Circuitry Includes IBM® PC/AT® Bus Interface Circuitry Supports 8- and 16-Bit Data Buses Full 2K x 8 On-Chip Dual-Port Buffer RAM Zero Wait State Arbitration for Most AT Buses SMSC COM90C26 Software Compatible Command Chaining Enhances Performance Supports Memory Mapped and Sequential I/O Mapped Access to the Internal RAM Buffer









• Compatible with the SMSC HYC9058/68/ 88 (COAX and Twisted Pair Drivers) Token Pas.

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