| 摘要 |
A clock signal may be generated for a receiving circuit without requiring an external oscillator. A first digital circuit may convert a first signal edge at an input into a first clock signal at an output, and a second digital circuit, in feedback connection with the first digital circuit, may generate a second signal edge at the input based on the first clock signal at the output. Then, the first circuit may convert the second signal edge at the input to a second clock signal at the output. Thus, the first circuit and the second circuit, in combination, may generate a continuous stream of signal edges at the input and clock signals at the output. The second circuit may communicate with the controller circuit that may indicate that a subsequent clock signal is needed. The controller circuit may send commands and receive status from the receiving circuit.
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