Abstract: A universal serial bus (USB) device, coupled to a USB host, includes a transceiver, receiving a data signal having a first frequency from the USB host, wherein the data signal comprises a plurality of specific packets with a periodic characteristic; a packet detector, coupled to the transceiver, receiving the data signal through the transceiver, configured to generate a reference signal according to the periodic characteristic of the plurality of specific packets; and a frequency-locked loop (FLL) circuit, coupled to the transceiver and the packet detector, configured to generate a clock signal having a second frequency according to the reference signal; wherein the first frequency is substantially equal to the second frequency. In other words, the second frequency is adjusted to approach the first frequency, and a frequency difference between the first frequency and the second frequency is smaller than 500 ppm.

Abstract: A computer device, an edge device, and a method for an artificial intelligence (AI) inference on a video stream are proposed. The computing device at least includes a first processor and a second processor. The first processor is configured to continuously receive a main video stream. The second processor is configured to perform scaling on the main video stream to generate a scaled video stream and to perform AI inference on a first frame of the scaled video stream to generate an AI inference result for a second frame of the main video stream, where the second frame of the main video stream is a frame corresponding to a time point when or after the AI inference result is generated.

Abstract: A machine learning method using pooling on channel attention includes inputting a first residual input to convolution layers of a first residual network to generate a first convolved output, and inputting the first convolved output to a first pooling layer to generate a first pooling vector. This results in a decrease in both computational time and memory usage, which in turn boosts the efficiency and performance of the machine learning model.

Abstract: A sense amplifier circuit including a sense amplifier and a control circuit is provided. The sense amplifier is configured to detect input data. The control circuit is coupled to the sense amplifier. The control circuit outputs a control signal to control the sense amplifier to detect the input data. The control circuit controls whether the sense amplifier performs a pre-charge operation or a pre-discharge operation based on the input data of a previous cycle and a current cycle.

Abstract: A control circuit for a feed-forward equalizer (FFE) includes an FFE controller and an impedance control loop. The FFE has a plurality of tap drivers commonly coupled to an output terminal. The FFE controller, which receives a basic current from a current generator, includes a current digital-to-analog converter (DAC) and a current mirror. The current DAC generates a reference current according to the basic current. The current mirror mirrors the reference current to generate at least one first reference voltage, and outputs the at least one first reference voltage to at least one first tap driver among the plurality of tap drivers. The impedance control loop, coupled to the FFE controller, generates a second reference voltage according to the at least one first reference voltage, and outputs the second reference voltage to at least one second tap driver among the plurality of tap drivers.

Abstract: A driving device is provided. The driving device includes a driver and a timing controller (TCON). The driver is coupled to a pixel circuit and a backlight circuit of a display panel. The TCON is coupled to the driver. In a frame cycle, after a delayed interval, the TCON outputs output image data to the driver, such that the driver drives the pixel circuit and the backlight circuit according to the output image data and backlight image data at the same time. Alternatively, when the driver drives the pixel circuit, after an interval based on dummy data of the backlight image data, the driver drives the backlight circuit according to available data of the backlight image data.

Abstract: A display device, a display driving integrated circuit (IC), and an operating method of a display driving IC are provided. The display driving IC receives a data stream and an external horizontal synchronization signal from a processor, where the data stream includes display frame data, vertical synchronization information, and horizontal synchronization information. The display driving IC generates an internal vertical synchronization signal based on the vertical synchronization information and the horizontal synchronization information. The display driving IC dynamically updates a delay value based on a phase relationship among the vertical synchronization information, the horizontal synchronization information, and the external horizontal synchronization signal. The display driving IC delays the external horizontal synchronization signal based on the delay value to generate an internal horizontal synchronization signal.

Abstract: A display driver integrated circuit (DDIC) receives a data stream, where the data stream includes display frame data, vertical synchronization information, and horizontal synchronization information. The DDIC generates an internal horizontal synchronization signal based on the horizontal synchronization information. The DDIC starts counting a first counting time length and a second counting time length from a same horizontal synchronization pulse of the internal horizontal synchronization signal, where the first counting time length is less than a horizontal time length defined by the internal horizontal synchronization signal, and the second counting time length is greater than the horizontal time length. At the end of the first counting time length, the DDIC pulls a gate clock signal from a first level to a second level. At the end of the second counting time length, the DDIC pulls the gate clock signal back from the second level to the first level.

Abstract: A timing control circuit includes a receiving circuit and a line memory. The line memory is configured for receiving a signal, outputting a first data signal corresponding to a first frame of the signal to drive at least one data line, and outputting a second data signal corresponding to a second frame of the signal. After a first frame rate of the first frame is determined to be higher than a second frame rate of the second frame, a switch from a long V mode to a long H mode takes place, such that the first data signal corresponds to the long V mode and the second data signal corresponds to the long H mode. After the first frame rate is determined to be lower than the second frame rate, a switch from the long H mode to the long V mode takes place.

Abstract: A driving method for a display panel, display driving device, and display device are provided. The method includes: in a first clock cycle, displaying to-be-displayed data for (N?M)-th pixel row and obtaining to-be-displayed data for N-th pixel row expected to be displayed after a preset delay period from a start time of the first clock cycle, the preset delay period lasting for M clock cycles; and providing gate driving signals for (N?M+1)-th to (N1?1)-th pixel rows and inhibiting providing gate driving signals for N1-th to N2-th pixel rows in response to an error event in the to-be-displayed data for N-th pixel row, wherein a gate driving signal for each pixel row includes a pre-charging period and a displaying period, the pre-charging period lasts for Q clock cycles, and wherein N?M+Q+1?N1?N, and N?N2?T (a number of the plurality of pixel rows).

Abstract: A touch display device is provided. The touch display device includes a touch display panel and a driver circuit. The touch display panel includes a control transistor coupled to a common electrode through a liquid crystal capacitor. The driver circuit is coupled to the touch display panel, and outputs a first driving signal to a first terminal of the control transistor. When the touch display panel switches from a first operational cycle to a first transition interval, the driver circuit adjusts the first driving signal to change a voltage of the first terminal of the transistor from a first voltage to a second voltage different from the first voltage to adjust a voltage of the common electrode.

Abstract: An operating method of a display driver circuit is provided. The display driver is configured to drive a display panel. The display panel has at least a first area and a second area. The operating method includes: in a first mode, refreshing the first area and the second area in a first frame rate; and in a second mode, refreshing the second area in a second frame rate and refreshing the first area in a third frame rate. The second frame rate is higher than the first frame rate and the third frame rate. In addition, a clock signal to drive a plurality of scan lines stops toggling pules corresponding to the first area.

Abstract: A driving integrated circuit includes a first output buffer and a second output buffer. The first output buffer generates a first start pulse signal to a first scan driving circuit, so that the first scan driving circuit generates a first plurality of scan driving signals to a plurality of first scan lines of a display panel. The second output buffer generates a second start pulse signal to a second scan driving circuit, so that the second scan driving circuit generates a second plurality of scan driving signals to a plurality of second scan lines of the display panel. The earliest second scan line of the second scan lines is driven after the first scan lines are driven. A plurality of driving units of the second output buffer are respectively controlled to generate the second start pulse signal having a driving ability less than a driving ability of the first start pulse signal.

Abstract: A display driver and an operating method thereof, and a display panel are disclosed. The operating method includes the following steps. The display panel includes a plurality of pixel circuits arranged in an array. By the display driver, an initial voltage with a reference value is provided to the plurality of pixel circuits during at least one active frame. By the display driver, the initial voltage with a plurality of different voltage values is provided to the plurality of pixel circuits during at least one skip frame. The plurality of different voltage values of the initial voltage respectively correspond to a plurality of distances between the plurality of display lines and the display driver.

Abstract: A touch controller is used to control a touch panel. The touch panel has an array of sensor cells divided in to N columns, each column has M regions, M regions are grouped into P zones. The touch controller has a switch circuit and a sensing circuit. In a coarse scan period, the switch circuit shorts the sensor cells in each zone of each column, and the sensing circuits scans P×N zones of the N columns to generate P×N zone signals. In M fine scan periods, the switch circuit decouples the sensor cells in a triggered zone of the P×N zones, and the sensing circuit scans a region of the triggered zone without scanning untriggered zones of the P×N zones to generated cell signals.

Abstract: A panel device includes a first touch senor pad and a second touch sensor pad configured in a first region, a third touch senor pad and a fourth touch sensor pad configured in a second region, a plurality of traces, a first receiving circuit and a second receiving circuit. The first receiving circuit and the second receiving circuit respectively receives a first sensing signal generated on the first touch sensor pad and a second sensing signal generated on the second touch sensor pad in a first sensing period, and respectively receives a third sensing signal generated on the third touch sensor pad and a fourth sensing signal generated on the fourth touch sensor pad in a second sensing period. The first region and the second region are comprised in a display area of the panel device.

Abstract: A data voltage generating circuit and method for a display device, a source driver, and a display device are provided. The data voltage generating circuit for the display apparatus includes: an analog-to-digital converter (ADC) configured to convert an inputted power supply voltage into a power supply voltage code; an offset value determination module configured to determine, based at least in part on the power supply voltage code, an offset value for adjusting a grayscale mapping value, wherein the grayscale mapping value is a mapping value to which grayscale data corresponds; a grayscale mapping value adjustment module configured to adjust the grayscale mapping value based on the offset value to generate an adjusted mapping value; and, a digital-to-analog converter (DAC) configured to generate a data voltage for driving a data line based on the adjusted mapping value.

Abstract: Display processing circuits and compensation methods are provided. The display processing circuit is adapted to compensate an electroluminescence (EL) display device. The display compensation circuit comprises a detecting circuit and a compensation circuit. The detecting circuit is configured to determine a degree of change of a display data within a first time length. The compensation circuit is configured to increase a compensation brightness level applied to the display data when the degree of change is less than a predetermined degree.

Abstract: A driving circuit and an operating method thereof and a controlling circuit which are suitable for a knob apparatus are provided. The driving circuit includes multiple touch-sensing electrodes and a controlling circuit. The knob apparatus includes a knob and a touch panel. The knob is disposed on the touch panel. The touch-sensing electrodes and the controlling circuit are disposed in the touch panel. The touch-sensing electrodes are coupled to multiple pixel switches of the touch panel. The controlling circuit is coupled to the touch-sensing electrodes. During a touch period, the controlling circuit provides an offset voltage to a first touch-sensing electrode of the touch-sensing electrodes, such that a first pixel switch coupled to the first touch-sensing electrode maintains being turned off according to a touch-controlling signal and the offset voltage.

Abstract: A touch sensing system including a touch sensing apparatus and a stylus is provided. The touch sensing apparatus includes a driver circuit and a touch sensing panel. The driver circuit drives the touch sensor panel to output an uplink signal. The stylus outputs a downlink signal to the touch sensor panel according to the uplink signal. The driver circuit adjusts a frequency of the uplink signal according to an operation mode of the touch sensing apparatus.