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COM2651 Datasheet Programmable Communication Interface

Manufacturer: SMSC (now Microchip Technology)

General Description

The COM 2651 is an MaS/LSI device fabricated using SMC's patented COPLAMOS® technology that meets the majorit)' of asynchronous and synchronous data communication requirements, by interfacing parallel digital systems to asynchronous and synchronous data communication channels while requiring a minimum of processor overhead.

The COM 2651 contains a baud rate generator which can be programmed to either accept an external clock or to generate internal

Overview

STANDARD MICROSYSTEMS CORPORATION._.

COM 2651 /-Lpc FAMILY Programmable Communication Interface.

Key Features

  • o Synchronous and Asynchronous Full Duplex or Half Duplex Operations ORe-programmable ROM on-chip baud rate generator o Synchronous Mode Capabilities - Selectable 5 to a-Bit Characters - Selectable 1 or 2 SYNC Characters -Internal Character Synchronization - Transparent or Non-Transparent Mode -Automatic SYNC or OLE-SYNC Insertion -SYNC or OLE Stripping - Odd, Even, or No Parity - Local or remote maintenance loop back mode o Asynchronous Mode Capabilities - Selectable 5 to a-Bit Characters -3 Se.