Data processing transceiver circuit

Details Data processing transceiver circuit Data processing transceiver circuit

G - Physics

06

F

354/235

G06F 15/16 (2006.01) G06F 13/372 (2006.01) G06F 13/42 (2006.01) G08B 19/00 (2006.01) H04L 12/417 (2006.01)

Patent

CA 1131366

ABSTRACT OF THE DISCLOSURE A transceiver circuit for connecting a data processing unit to a communication bus, wherein said data processing unit is capable of transmitting, receiving and processing non-return to zero (NRZ) signals having a normally high level and assuming a low level to indicate a data bit and said communication is bus capable of transmitting a pulse- no pulse signal to indicate data bits, is disclosed having an-input connected-to the data processing unit for receiving the non-return to zero signals, a triggering circuit which is responsive to a leading edge of a non-return to zero signal to supply triggering pulses having a predetermined frequency, a gating circuit for passing through the triggering pulses as long as the non-return to zero signal is at a pre- determined level, and a pulse-no pulse circuit responsive to the triggering pulses for supplying the pulse-no pulse signals to the communication bus. In addition, the receive portion of the transceiver circuit is responsive to the pulse-no pulse signals to convert them into non-return to zero signals.

325974

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