Single-pin serial communication link with start-bit flow...

Details Single-pin serial communication link with start-bit flow... Single-pin serial communication link with start-bit flow...

2006-10-24

2006-10-24

Perveen, Rehana (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Protocol

C711S100000, C711S115000, C710S305000, C710S071000, C710S315000, C370S463000

Reexamination Certificate

active

07127538

ABSTRACT:
A receiving device supplies a remote start bit onto a single-wire communication bus. Open-drain interfaces couple the single-wire communication bus to the receiving device and to a universal asynchronous receiver/transmitter (UART) in the transmitting device. After the UART detects the remote start bit, the UART supplies initial data bits and a stop bit onto the single-wire communication bus. The data bits, stop bit and remote start bit together form a 10-bit RS232 character. Data flow control is accomplished when the receiving device supplies a subsequent remote start bit only after accepting the initial data bits. After the UART detects the subsequent remote start bit on the single-wire communication bus, the UART supplies subsequent data bits onto the single-wire communication bus. The UART also determines a pulse duration of the remote start bit and supplies each of the data bits onto the single-wire communication bus for one pulse duration.

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