Abstract: An integrated circuit is provided. The integrated circuit includes: a clock source configured to: generate a clock signal of the integrated circuit; at least two functional circuits; and at least two clock generators corresponding to the functional circuits and configured to: determine initial phases of the corresponding functional circuits, and generate clock signals of the functional circuits based on the clock signal of the integrated circuit and the initial phases, so as to keep the clock signals of all the functional circuits synchronized, wherein the initial phases are determined based on transmission distances, over which the clock signal of the integrated circuit is transmitted from the clock source to the functional circuits, and loads of the functional circuits.

Abstract: A signal generating electric circuit, a signal generating method, a digit-to-time converting electric circuit and a digit-to-time converting method. The signal generating electric circuit includes: a first generating electric circuit configured for, based on a first frequency control word and a reference time unit, generating a periodic first output signal; and a second generating electric circuit configured for, based on a second frequency control word and the reference time unit, generating a periodic second output signal. The first frequency control word includes a first integer part and a first fractional part, the second frequency control word includes a second integer part and a second fractional part, the first integer part is equal to the second integer part, the first fractional part and the second fractional part are not equal, and a period of the first output signal and a period of the second output signal are not equal.

Abstract: The present disclosure provides a hash algorithm circuit, a hash algorithm method, and an electronic device. The hash algorithm circuit is used to reduce fixed-length parallel data, and the reduced identifier can be used as an index reference, an identifier ID, an address extension bit, information summary, and so on. The hash algorithm circuit has the characteristics of low power consumption, low cost, etc., and can be integrated in a digital circuit.

Abstract: A signal generating electric circuit, a signal generating method, a digit-to-time converting electric circuit and a digit-to-time converting method. The signal generating electric circuit includes: a first generating electric circuit configured for, based on a first frequency control word and a reference time unit, generating a periodic first output signal; and a second generating electric circuit configured for, based on a second frequency control word and the reference time unit, generating a periodic second output signal. The first frequency control word includes a first integer part and a first fractional part, the second frequency control word includes a second integer part and a second fractional part, the first integer part is equal to the second integer part, the first fractional part is not zero, the second fractional part is zero, and a period of the first output signal and a period of the second output signal are not equal.

Abstract: Embodiments of the present disclosure provide a circuit and a method for digital fingerprint generation, and an electronic device. The digital fingerprint generation method includes inputting an input signal from outside; generating a frequency relationship indication signal between an input signal and a feedback signal; generating a frequency control signal based on the frequency relationship indication signal; generating an intermediate signal based on a frequency control signal and pulse signals; dividing the intermediate signal in frequency to generate the feedback signal; and generating a digital fingerprint based on the input signal and the feedback signal.

Abstract: A signal generating electric circuit, a signal generating method, a digit-to-time converting electric circuit and a digit-to-time converting method. The signal generating electric circuit includes: a first generating electric circuit configured for, based on a first frequency control word and a reference time unit, generating a periodic first output signal; and a second generating electric circuit configured for, based on a second frequency control word and the reference time unit, generating a periodic second output signal. The first frequency control word includes a first integer part and a first fractional part, the second frequency control word includes a second integer part and a second fractional part, the first integer part is equal to the second integer part, the first fractional part and the second fractional part are not equal, and a period of the first output signal and a period of the second output signal are not equal.

Abstract: A touch panel, a touch apparatus and a pressure touch detection method thereof. The touch panel includes: a touch electrode layer; a conductive layer, disposed opposite to the touch substrate and configured to form capacitance with the touch electrode layer; a dielectric layer, located between the touch electrode layer and the conductive layer, the dielectric layer includes a fluid dielectric layer and a solid dielectric layer, and the fluid dielectric layer has a dielectric constant larger than a dielectric constant of the solid dielectric layer, and a fluid in the fluid dielectric layer is configured to flow under the touch pressure to change the dielectric constant of the dielectric layer, so that the capacitance between the touch electrode layer and the conductive layer at the touch position and in the peripheral region of the touch position changes.

Abstract: A digital transceiver is provided. The digital transceiver includes a clock generator configured to generate a first clock signal having a first frequency of a fixed value and a transmitter driven by the first clock signal of the first frequency to transmit data. Additionally, the digital transceiver includes an inverter coupled to the clock generator to generate an inverted first clock signal of the first frequency. Further, it includes a frequency detector configured to compare the first frequency with a second frequency of a feedback signal in a loop of feedback to determine a frequency control word F. Furthermore, it includes a digitally-controlled oscillator driven by the frequency control word F in the loop of feedback to output a second clock signal with a time-average frequency substantially synchronous to the first frequency with a boundary spread and a receiver driven by the second clock signal to receive the data.

Abstract: A time synchronization device adapted for an electronic apparatus, an electronic apparatus, a time synchronization system and a time synchronization method. The time synchronization device includes: a signal generating circuit and a time adjusting circuit. The signal generating circuit includes: a control circuit, configured to generate a frequency control word; and a signal adjusting circuit, configured to receive the frequency control word and an input signal having an initial frequency, and to generate and output an output signal having a target frequency based on the frequency control word and the input signal. The time adjusting circuit is configured to perform a synchronization adjusting operation on a clock signal of the electronic apparatus based on the output signal having the target frequency.

Abstract: A measuring device and a measuring method are provided. The measuring device includes an oscillating circuit, a time average frequency-frequency lock loop, and a digital signal processing circuit. The oscillation circuit includes an element to be measured and is configured to output a signal having an oscillation frequency correlated with an element value of the element to be measured. The time average frequency-frequency lock loop is configured to receive the signal output by the oscillation circuit and output a frequency control word correlated with the oscillation frequency. The digital signal processing circuit is configured to read the frequency control word output by the time average frequency-frequency lock loop and obtain the element value of the element to be measured according to the read frequency control word. The measuring device is easy to integrate, has small volume, low power consumption, and high reliability, and can achieve high-precision measurement.

Abstract: A touch panel, a touch apparatus and a pressure touch detection method thereof. The touch panel includes: a touch electrode layer; a conductive layer, disposed opposite to the touch substrate and configured to form capacitance with the touch electrode layer; a dielectric layer, located between the touch electrode layer and the conductive layer, the dielectric layer includes a fluid dielectric layer and a solid dielectric layer, and the fluid dielectric layer has a dielectric constant larger than a dielectric constant of the solid dielectric layer, and a fluid in the fluid dielectric layer is configured to flow under the touch pressure to change the dielectric constant of the dielectric layer, so that the capacitance between the touch electrode layer and the conductive layer at the touch position and in the peripheral region of the touch position changes.

Abstract: A parameter determination method for a spread spectrum circuit, a clock spread spectrum method, a parameter determination device for a spread spectrum circuit, and a clock spread spectrum device are disclosed. The parameter determination method for the spread spectrum circuit includes: obtaining a base time unit and a target frequency; determining a spread spectrum depth coefficient according to the base time unit and the target frequency; determining whether the spread spectrum depth coefficient is greater than or equal to a base spread spectrum depth coefficient; if yes, determining the spread spectrum depth coefficient as a standard spread spectrum depth coefficient and determining a standard frequency control word according to the standard spread spectrum depth coefficient; and if no, adjusting the base time unit until a corresponding spread spectrum depth coefficient corresponding to the base time unit is greater than or equal to the base spread spectrum depth coefficient.

Abstract: A frequency regulator and a frequency regulating method thereof, and an electronic device are disclosed. The frequency regulator includes: a signal processing circuit configured to generate a frequency control word according to a frequency regulating coefficient and an input frequency; and a frequency regulating circuit configured to receive the frequency control word and to generate and output an output signal having a target frequency according to the frequency control word. The frequency regulating coefficient is an arbitrary positive real number and is expressed as M.m, M is an integer portion of the frequency regulating coefficient and is a natural number, and m is a decimal portion of the frequency regulating coefficient.

Abstract: A parameter determination method for a spread spectrum circuit, a clock spread spectrum method, a parameter determination device for a spread spectrum circuit, and a clock spread spectrum device are disclosed. The parameter determination method for the spread spectrum circuit includes: obtaining a base time unit and a target frequency; determining a spread spectrum depth coefficient according to the base time unit and the target frequency; determining whether the spread spectrum depth coefficient is greater than or equal to a base spread spectrum depth coefficient; if yes, determining the spread spectrum depth coefficient as a standard spread spectrum depth coefficient and determining a standard frequency control word according to the standard spread spectrum depth coefficient; and if no, adjusting the base time unit until a corresponding spread spectrum depth coefficient corresponding to the base time unit is greater than or equal to the base spread spectrum depth coefficient.

Abstract: A measuring device and a measuring method are provided. The measuring device includes an oscillating circuit, a time average frequency-frequency lock loop, and a digital signal processing circuit. The oscillation circuit includes an element to be measured and is configured to output a signal having an oscillation frequency correlated with an element value of the element to be measured. The time average frequency-frequency lock loop is configured to receive the signal output by the oscillation circuit and output a frequency control word correlated with the oscillation frequency. The digital signal processing circuit is configured to read the frequency control word output by the time average frequency-frequency lock loop and obtain the element value of the element to be measured according to the read frequency control word. The measuring device is easy to integrate, has small volume, low power consumption, and high reliability, and can achieve high-precision measurement.

Abstract: A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.

Abstract: A clock spread spectrum circuit, an electronic equipment, and a clock spread spectrum method are disclosed. The clock spread spectrum circuit includes a control circuit and a signal generation circuit. The control circuit is configured to generate a frequency control word according to a modulation parameter, and the frequency control word changes discretely with time; and the signal generation circuit is configured to receive the frequency control word and generate and output a spread spectrum output signal that is spectrum-spread according to the frequency control word, and the spread spectrum output signal corresponds to the frequency control word.

Abstract: A frequency locked loop, an electronic device, and a frequency generation method are provided. The frequency locked loop includes: a control circuit, configured to judge a size relationship between an input frequency and a feedback frequency to obtain a control signal, and determine a frequency control word according to the control signal, in which the control signal includes a first sub-control signal and a second sub-control signal, the control circuit is configured to generate the first sub-control signal in a case where the input frequency is greater than the feedback frequency, and the control circuit is configured to generate the second sub-control signal different from the first sub-control signal in a case where the input frequency is less than the feedback frequency; and a digital control oscillation circuit, configured to generate and output an output signal having a target frequency according to the frequency control word.

Abstract: A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.

Abstract: A digital transceiver is provided. The digital transceiver includes a clock generator configured to generate a first clock signal having a first frequency of a fixed value and a transmitter driven by the first clock signal of the first frequency to transmit data. Additionally, the digital transceiver includes an inverter coupled to the clock generator to generate an inverted first clock signal of the first frequency. Further, it includes a frequency detector configured to compare the first frequency with a second frequency of a feedback signal in a loop of feedback to determine a frequency control word F. Furthermore, it includes a digitally-controlled oscillator driven by the frequency control word F in the loop of feedback to output a second clock signal with a time-average frequency substantially synchronous to the first frequency with a boundary spread and a receiver driven by the second clock signal to receive the data.