Data transmitting device and data receiving device

Details Data transmitting device and data receiving device Data transmitting device and data receiving device

2011-01-25

2011-01-25

Le, Don P (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S093000

Reexamination Certificate

active

07876130

ABSTRACT:
A data transmitting device and a data receiving device are disclosed. The data transmitting device may include a clock signal generator for generating a clock signal, and a transmitter for generating a transmission signal having the clock signal inserted in a data signal, wherein the clock signal has only a single differential element, and the data signal has two differential elements with an amplitude identical to an amplitude of the clock signal. The clock signal may be embedded and the clock signal may be restored by using the common element of the data signal without any auxiliary reference voltage. As a result, only the data signal line may be used between the data transmitting device and the data receiving device, to reduce the number of transmitting lines. Furthermore, the data transmitting and receiving devices according to embodiments will not need a reference voltage. As a result, the clock signal may be restored smoothly even if the size of the data signal is changing. Further, the amplitude of the clock signal included in the data signal is identical with the amplitude of the data signal. As a result, additional power consumption and EMI may be reduced.

REFERENCES:
patent: 6526109 (2003-02-01), Chang et al.
patent: 6542274 (2003-04-01), Demarest et al.
patent: 2010/0225620 (2010-09-01), Lee

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