Digital communications software control system
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United States of America Patent
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Jul 15, 1986
Grant Date -
N/A
app pub date -
May 23, 1984
filing date -
May 23, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a digital communication system which utilizes software control through a universal synchronous/asynchronous receiver transmitter for providing improved communications performance in a digital frequency hopping communication system. The USART, under the control of a microprocessor and coupled to operate with a bit sync tracking circuit, is able to achieve synchronization and message processing of a demodulated digital signal during a receiving mode in a frequency hopping system, and initiate transmission and modulation on the pseudorandom hopping frequencies of the communication system. The USART functions as a data input/output device and may be multiplexed to handle the differing data rate for user and frame/burst data for transmission.
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