Edge-based communication
First Claim
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1. A method, comprising:
- receiving, at a slave device, a pulse on a data line, wherein the pulse is a trigger pulse indicating an identification of a slave device,communicating data based on an edge-based pulse width modulation, wherein communicating data comprises driving the data line by a slave device identified by the trigger pulse,wherein driving the data line by the slave device comprises transmitting a synchronization pulse after a predetermined time relative to an edge of the trigger pulse, wherein transmitting the synchronization pulse comprises;
actively driving the data line to a first voltage and to a second voltage different from the first voltage.
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Abstract
Methods, devices and systems are disclosed where to generate a pulse a data line is actively driven to a first voltage followed by actively driving the data line to a second voltage.
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Citations
20 Claims
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1. A method, comprising:
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receiving, at a slave device, a pulse on a data line, wherein the pulse is a trigger pulse indicating an identification of a slave device, communicating data based on an edge-based pulse width modulation, wherein communicating data comprises driving the data line by a slave device identified by the trigger pulse, wherein driving the data line by the slave device comprises transmitting a synchronization pulse after a predetermined time relative to an edge of the trigger pulse, wherein transmitting the synchronization pulse comprises; actively driving the data line to a first voltage and to a second voltage different from the first voltage. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method, comprising:
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receiving a pulse on a data line, wherein the pulse is a trigger pulse indicating an identification of a slave device, after the trigger pulse, driving the data line by the slave device identified by the trigger pulse based on an edge-based pulse width modulation, wherein driving the data line by the slave device comprises transmitting a synchronization pulse overlapping with the trigger pulse, wherein transmitting the synchronization pulse comprises actively driving the data line to a first voltage and to a second voltage different from the first voltage at the end of the synchronization pulse. - View Dependent Claims (8, 9, 10, 11, 12)
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- 13. A communication device adapted to communicate based on an edge-based pulse width modulation, the device comprising a driver, the driver being configured to actively drive a data line to a first voltage, and actively driving the data line to a second voltage after actively driving the data line to the first voltage to generate a pulse on the data line, wherein the device is configured to receive a trigger pulse identifying the communication device and to wait a predetermined time after receipt of one of a falling edge or a rising edge of the trigger pulse identifying the communication device until generating pulses.
Specification