System, and method for extending range of a bidirectional data communication bus
A communication bus, data communication technology, applied in the field of data communication, can solve problems such as violation of technical specifications
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[0019] FIG. 1 illustrates an exemplary two-way communication system 10 between two devices (shown as a first device 100 and a second device 200). The designations first and second are for identification purposes only. The first and second designations do not indicate that a certain device has priority access to the communication bus or controls all communications between two devices. Each device 100 and 200 includes bidirectional input / output (I / O) pins 102 and 202, respectively. The input / output pins are pulled up to logic high by pull-up resistors 101 and 201, respectively.
[0020] The communication system includes a first bus driver 104 and a second bus driver 204 . The first signal M is provided to the input buffer 106 and then to the first asynchronous encoder logic 108 . The first asynchronous encoder logic 108 receives the first signal M, the current first state A, the current second state B and the second signal S and generates the next first state X. The next fir...
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