Am8251 Datasheet (AMD) - Programmable Communications Interface

Am8251, Programmable Communications Interface

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

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,