Patent ID: 7111097
Filing Date: 2006-09-19
Classification: G06F

Abstract:
1. An one wire serial communication protocol circuit, comprising: an I/O port, used to receive and send data; a control machine, coupled to the I/O port, used to control whether the one wire serial communication protocol circuit is in a state of sending data or in a state of receiving data, wherein the control machine is able to generate an indicating signal for selecting the data transmitted either in a first speed data transmission mode or a second speed data transmission mode; a control buffer, coupled to the I/O port and the control machine, used to transmit a serial data sent from the control machine to the I/O port; and a shift register, coupled to the control machine, used to convert a parallel data into a serial data and send the converted serial data to the control machine, and used to convert the serial data sent from die control machine to a parallel data and send out the converted parallel data.