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Asynchrone to Synchrone Converter

IP.com Disclosure Number: IPCOM000040657D
Original Publication Date: 1987-Dec-01
Included in the Prior Art Database: 2005-Feb-02

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Related People

Fieschi, J Vautier, R [+details]


An asynchrone to synchrone converter is described having the capability to attach asynchronous DTE (Data Terminal Equipment) to a basic synchronous modem. The converter provides the modem with the transmitted data (xmit) in synchronism with a transmitted clock which is extracted from the START/STOP data signal coming from the DTE. The converter uses a simple implementation consisting of a data sampler 1 designed to send data into a data buffer 2 under the control of a write pointer PW and a PLO (Phase Loop Oscillator) 3. The converter allows transparency and achieves high data rates. Data Sampler 1 is a kind of START/STOP bit receiver as can usually be found in asynchronous DTE receivers.