Abstract: A transmitter circuit includes an impedance adjusting circuit and multiple driver circuits. The impedance adjusting circuit includes a first impedance adjusting circuit and a second impedance adjusting circuit. The first impedance adjusting circuit includes a first replica driving unit, and is configured to control an output impedance of the first replica driving unit to a first impedance value. The second impedance adjusting circuit includes a second replica driving unit, and is configured to control an output impedance of the second replica driving unit to a second impedance value different from the first impedance value. The driving units respectively includes multiple standard driving units. Each standard driving unit is configured to receive a corresponding one of a first impedance adjusting signal and a second impedance adjusting signal to be set at a first impedance value or a second impedance value.

Abstract: A signal receiving device includes an analog front end circuit, a plurality of adders, a plurality of first splitter sets, a plurality of second splitter sets, a clock recovery circuit and a decision feedback equalizer. Each of the adders adds each of fist signal pairs with first parameters to generate each of a plurality of second signal pairs. Selected splitter sets of the second splitter sets, based on a calibrated parameter, sample corresponding second signal pair to generate first error information according to a reference voltage pair. Un-selected splitter sets of the second splitter set, based on a second parameter, samples corresponding second signal pair to generate a second error information according to the reference voltage pair. The clock recovery circuit and the decision feedback equalizer generate a plurality of received data corresponding to the input signal according to the first error information and the second error information, respectively.

Abstract: An USB device and an operation method thereof are provided. USB controllers take turns to reset an USB physical layer circuit during an initial setting period to obtain corresponding device controller initial addresses and descriptors. A USB determining processor queues a ready flag of a USB controller indicating that data corresponding to a host request of a host is ready into a ready flag queue waiting list. The USB determining processor transmits data of a corresponding USB controller to the host according to the ready flag queue waiting list.

Abstract: A data protection system includes a determination device and a second storage unit. The determination device can be used to receive an execution instruction, determine whether the execution instruction is corresponding to a protected data area or a non-protected data area of a first storage unit, and control a data adjustment operation accordingly. The second storage unit can be coupled to the determination device and used to store ordinary data and crucial data. If the execution instruction and the data adjustment operation are corresponding to the non-protected data area, the data adjustment operation is only allowed to access the ordinary data, and the data adjustment operation is prohibited to access the crucial data.

Abstract: The disclosure provides a remote maintenance system and an operation method thereof. The remote maintenance system includes a to-be-maintained device and an electronic device. The electronic device is coupled to the to-be-maintained device. The to-be-maintained device has a communication interface. In response to anomaly in the to-be-maintained device, the electronic device connects with a remote device through execution of an application, and the remote device performs remote maintenance on the to-be-maintained device through execution of a maintenance application.

Abstract: A wireless universal serial bus hub and an operation method thereof are provided. The wireless universal serial bus hub includes a local side device and a remote side device. The remote side device is communicatively connected to the local side device. The local side device receives at least one data, at least one check code, and at least one identifier from at least one first device respectively. The local side device generates a data packet based on the at least one data, the at least one check code, and the at least one identifier and wirelessly transmits the data packet to the remote side device. The remote side device generates serial differential data based on the data packet and outputs the serial differential data to a second device.

Abstract: Provided are a coupling state detection device and a detection method thereof. A control circuit controls a switching circuit to switch an output end of a transmitter to connect to a resistance circuit or a voltage pulse generating circuit, controls the voltage pulse generating circuit to generate a voltage pulse, and determines a coupling state between the transmitter and a receiver according to a detection signal generated by detecting output voltages of the transmitter by a detection circuit when the switching circuit is connected to the resistance circuit and when the switching circuit is connected to the voltage pulse generating circuit.

Abstract: A computing device, an operation method of the computing device, and a system on chip are provided. The computing device includes an operator and a resource allocation manager. The operator includes multiple arithmetic units. The resource allocation manager is coupled to the operator and allocates the arithmetic units to a deep learning accelerator and a vector processor for use according to an amount of calculation of the deep learning accelerator and an amount of calculation of the vector processor. The operator receives a first operation request and a second operation request from the deep learning accelerator and the vector processor respectively, uses a first arithmetic unit group of the arithmetic units to perform a calculation of the first operation request, and uses a second arithmetic unit group of the arithmetic units to perform a calculation of the second operation request according to an allocation result.

Abstract: A data protection system includes a determination device and a second storage unit. The determination device can be used to receive an execution instruction, determine whether the execution instruction is corresponding to a protected data area or a non-protected data area of a first storage unit, and control a data adjustment operation accordingly. The second storage unit can be coupled to the determination device and used to store ordinary data and crucial data. If the execution instruction and the data adjustment operation are corresponding to the non-protected data area, the data adjustment operation is only allowed to access the ordinary data, and the data adjustment operation is prohibited to access the crucial data.

Abstract: A control device for a power switch, a control method for the power switch, and an electronic display system are provided. The control device includes an acoustic sensor and a switch. The switch is coupled between a power supply and an external electronic device. The acoustic sensor senses an acoustic signal. In a standby mode, the acoustic sensor generates a switch control signal according to a frequency of the acoustic signal. The switch turns on or turns off a path for the external electronic device to receive power according to the switch control signal. In the standby mode, the acoustic sensor periodically and actively performs a generating operation of the switch control signal.

Abstract: The disclosure provides a remote maintenance system and an operation method thereof. The remote maintenance system includes a to-be-maintained device and an electronic device. The electronic device is coupled to the to-be-maintained device. The to-be-maintained device has a communication interface. In response to anomaly in the to-be-maintained device, the electronic device connects with a remote device through execution of an application, and the remote device performs remote maintenance on the to-be-maintained device through execution of a maintenance application.

Abstract: A computing device, an operation method of the computing device, and a system on chip are provided. The computing device includes an operator and a resource allocation manager. The operator includes multiple arithmetic units. The resource allocation manager is coupled to the operator and allocates the arithmetic units to a deep learning accelerator and a vector processor for use according to an amount of calculation of the deep learning accelerator and an amount of calculation of the vector processor. The operator receives a first operation request and a second operation request from the deep learning accelerator and the vector processor respectively, uses a first arithmetic unit group of the arithmetic units to perform a calculation of the first operation request, and uses a second arithmetic unit group of the arithmetic units to perform a calculation of the second operation request according to an allocation result.

Abstract: An over-voltage protection circuit includes an over-voltage detection circuit, a voltage generator and a switch for providing over-voltage protection between two pins of a USB Type-C port. The over-voltage detection circuit provides an over-voltage signal according to the level of the second pin. The switch includes a first end coupled to the first pin, a second end coupled to the second pin and a control end coupled to a control signal. When the over-voltage signal does not indicate an over-voltage occurrence at the second pin, the voltage generator provides the control signal having a first level for operating the switch in a first region. When the over-voltage signal indicates an over-voltage occurrence at the second pin, the voltage generator adjusts the control signal to a second level for cutting off the switch. The switch operates in a second region after the over-voltage occurrence and before the switch is cut off.

Abstract: An over-voltage protection circuit includes an over-voltage detection circuit, a voltage generator and a switch for providing over-voltage protection between two pins of a USB Type-C port. The over-voltage detection circuit provides an over-voltage signal according to the level of the second pin. The switch includes a first end coupled to the first pin, a second end coupled to the second pin and a control end coupled to a control signal. When the over-voltage signal does not indicate an over-voltage occurrence at the second pin, the voltage generator provides the control signal having a first level for operating the switch in a first region. When the over-voltage signal indicates an over-voltage occurrence at the second pin, the voltage generator adjusts the control signal to a second level for cutting off the switch. The switch operates in a second region after the over-voltage occurrence and before the switch is cut off.

Abstract: A touch display device and a control method thereof are provided. The control method includes: setting a display scan sequence and a touch detection scan sequence; performing a display scan operation according to the display scan sequence based on a first frequency according to a control signal; and performing a touch scan operation according to the touch detection scan sequence based on a second frequency according to the control signal. At a same time point, a scanned display area corresponding to the display scan operation and a scanned touch area corresponding to the touch scan operation are non-overlapped.

Abstract: A signal relay system includes an input terminal, an output terminal, a signal detector, a signal repeater, an input terminal circuit, an output terminal circuit, a switch and a switch controller. The signal detector is for detecting a wakeup signal from the input terminal. The signal repeater is for receiving a transmission signal and to amplify and forward the transmission signal. The input terminal circuit is for reducing impedance between the input terminal and the signal repeater. The output terminal circuit is for reducing impedance between the output terminal and the signal repeater. The switch is for coupling the output terminal to the signal repeater or the input terminal. The switch controller is for operating the switch according to a detection result of the signal detector.

Abstract: An electronic apparatus and a boot method thereof are provided. The electronic apparatus includes a first controller, a basic input output system (BIOS), and a second controller. The first controller is configured to receive a boot code and provides the boot code to the electronic apparatus for performing a boot operation. The BIOS is configured to provide the boot code. The second controller has at least one communication interface. The at least one communication interface is configured to be connected to at least one external apparatus. The at least one external apparatus provides a backup boot code to the second controller. When the boot operation performed by the electronic apparatus according to the boot code provided by the BIOS fails, the second controller replaces the first controller to receive the backup boot code and provides the backup boot code to enable the electronic apparatus to perform the boot operation.

Abstract: An authentication system and an authentication method are provided. The electronic device of the authentication system includes a controller, a processor and a key module, wherein the processor performs an application program. In a binding phase, the application device generates a digest file according to key factor information and a selection strategy, and stores the digest file in a digest table of the electronic device. In a checking phase, the application program determines whether the controller corresponds to a binding device according to the digest file and the key factor information. If the controller corresponded to the binding device, in an authentication phase, the controller performs an authentication operation of a U2F service with a server device according to the digest file corresponding to the binding device in response to a pressing of the key module.

Abstract: An electronic device, an electronic system, and a control method are provided. The electronic device includes a display, a memory, and a processor. The memory stores an audiovisual module and a control module. The processor receives initial image information from an external electronic device through a bridge device. The processor is coupled to the display and the memory. The processor executes the audiovisual module to transform the initial image information with a first image format into transformed image information with a second image format, which is compatible to the display. The processor controls the display to display according to the transformed image information. The processor executes the control module to receive a control signal for operating the transformed image information, and provide the control signal to the external electronic device through the bridge device.

Abstract: The disclosure provides a restart control device and a restart control method. The restart control device is disposed in an electronic device. The electronic device includes a keyboard and a restart button. At least one assigned key of a plurality of keys of the keyboard is set. The restart control device determines whether the at least one assigned key is pressed, and determines whether the restart button is pressed. When determining that the restart button is pressed and the at least one assigned key is pressed, the restart control device provides a restart control signal to cause the electronic device to perform a restart operation. The disclosure can prevent an unnecessary restart operation due to a single restart button being mistyped.