NON-LINEAR TRANSMIT BIASING FOR A SERIAL BUS TRANSMITTER

Described embodiments provide a transmitter for transmitting data over a serial bus coupled to the transmitter. The transmitter includes a controller to generate data for transmission by the transmitter. A transmit driver is coupled to the controller. The transmit driver, in response to the generate...

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Bibliographic Details
Main Authors Ross Thomas, Togneri Aldo, McIntosh James, Allegrini Gianluca
Format Patent
LanguageEnglish
Published 01.06.2017
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Described embodiments provide a transmitter for transmitting data over a serial bus coupled to the transmitter. The transmitter includes a controller to generate data for transmission by the transmitter. A transmit driver is coupled to the controller. The transmit driver, in response to the generated data for transmission, generates logic transitions on the serial bus. The transmit driver generates low-to-high logic transitions on the serial bus by charging the serial bus by a bus current based on (i) a predetermined initial bias level for a first time period, and (ii) a first predetermined maximum bias level for a second time period. The transmit driver generates high-to-low logic transitions on the serial bus by discharging the serial bus by a bus current based on (i) a pre-charged level of the transmit driver, and (ii) a second predetermined maximum bias level for a third time period.
Bibliography:Application Number: US201514954133