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EI68C681 - DUAL UART

Description

The Epic Ei88C681/Ei68C681 DUART Dual Universal Asynchronous Receiver and Transmitter is a data communication device that provides two fully independent full duplex asynchronous communication channels in a single package.

Features

  • Full duplex, dual channel asynchronous receiver and transmitter Quadruple-buffered receiver and transmitter Stop bits programmable in 1/16-bit increments Internal bit rate generator with 23 bit rates Independent bit rate selection for each Rx and Tx Maximum bit rate: 1 x clock - 2 Mb/sec. , 16 x clock- 250 Kb/sec. Normal, auto-echo, local.

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Datasheet Details

Part number EI68C681
Manufacturer IMP
File Size 37.89 KB
Description DUAL UART
Datasheet download datasheet EI68C681 Datasheet
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Semiconductor, Inc. Ei68C681 Ei88C681 DUAL UART DESCRIPTION The Epic Ei88C681/Ei68C681 DUART Dual Universal Asynchronous Receiver and Transmitter is a data communication device that provides two fully independent full duplex asynchronous communication channels in a single package. The DUART is designed for use in microprocessor based systems and may be used in a polled or interrupt driven environment. Two basic versions of the DUART are available, each optimized for use with various microprocessor families: the 88C81 for 8085/85, 8080/88, Z80, Z8000, 68XX and 65XX family based systems., and the 68C681 for 68000 family based systems. A programmable mode of the Ei88C681 versions provides an interrupt daisy chain for use in Z80 and Z8000 based systems.
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