Patent ID: 8281059

Claim:
An electronic device, comprising: a universal serial bus (USB) port, for receiving USB packets carrying a first pixel data; a processing circuit, coupled to the USB port, for converting the received USB packets into the first pixel data; a storage; a storage controller, coupled between the processing circuit and the storage, for storing the first pixel data into the storage; and a display circuit, coupled to the storage controller, for generating a display driving signal according to the first pixel data stored in the storage; wherein the processing circuit comprises: a USB processor, coupled to the USB port, for receiving the USB packets from a data source external to the electronic device, and converting the received USB packets into the first pixel data accordingly; a buffer device; a direct memory access (DMA) unit, coupled to the USB processor, the buffer device, and the storage controller, for controlling data transfer between the USB processor and the buffer device and data transfer between the buffer device and the storage controller; and a central processing unit (CPU), coupled to the USB processor and the DMA unit, for controlling operations of the USB processor and the DMA unit.