Method and apparatus for high speed asynchronous serial data tra

Details Method and apparatus for high speed asynchronous serial data tra Method and apparatus for high speed asynchronous serial data tra

1982-11-23

1984-12-11

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 1516

Patent

active

044882262

ABSTRACT:
A method and apparatus for high speed asynchronous serial data transfer between two microprocessors. Each of the two microprocessors is coupled to an asynchronous receiver/transmitter having a request-to-send output and a clear-to-send input. Each asynchronous receiver/transmitter also has a wait/ready output for utilization in conjunction with direct memory access devices or processors. The wait/ready output of a first asynchronous receiver/transmitter is applied to a digital filter to remove transients therein and the filtered signal is then coupled to the clear-to-send input of a second asynchronous receiver/transmitter, enabling the second asynchronous receiver/transmitter to transmit data back to the first asynchronous receiver/transmitter.

REFERENCES:
patent: 4357658 (1982-11-01), van der Ouderaa

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