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Am8251 - Programmable Communications Interface

Datasheet Summary

Description

The Am8251/9551 is a programmable serial data communication interface that provides a Universal Synchronous/Asynchronous Receiver/Transmitter (USART) function_ It is normally used as a peripheral device for an associated processor, and may be programmed by the processor to operate in a variety of st

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Datasheet Details

Part number Am8251
Manufacturer AMD
File Size 434.13 KB
Description Programmable Communications Interface
Datasheet download datasheet Am8251 Datasheet
Additional preview pages of the Am8251 datasheet.

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Full PDF Text Transcription

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Am8251 • Am9551 Programmable Communications Interface DISTINCTIVE CHARACTERISTICS • Improved performance with Am9551 • Separate control and transmit register input buffers • 8080A/9080A compatible • Synchronous or asynchronous serial data transfer • Parity, overrun and framing errors detected • Half or full duplex signalling • Character length of 5, 6, 7 or 8 bits • Internal or external synchronization • Odd parity, even parity or no parity bit • Modem interface controlled by processor • Programmable Sync pattern • Fully TTL compatible logic levels • +5 only power supply • Commercial and military temperature range operation • Ion-implanted N-channel silicon gate MOS technology • 100% MI L-STD-883 reliabi lity assurance testing GENERAL DESCRIPTION The Am8251/9551 is a programmable serial
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