摘要:
The present invention system and method enables dynamic reconfiguration of an electronic device in a convenient and efficient manner. In one embodiment, the electronic device includes a microprocessor, a plurality of internal peripherals, an interconnecting component, an external coupling port, and a memory for storing instructions. The plurality of internal peripherals, the interconnecting component and the external coupling port are programmably configurable to perform a variety of functions. The memory stores a plurality of configuration images that define the configuration and functionality of the plurality of internal peripherals, the interconnecting component and the external coupling port. The instructions stored by the memory facilitate dynamic reconfiguration of the electronic device. Based upon the existence of a predetermined condition, the electronic device is automatically reconfigured by activating different configuration images.
摘要:
A liquid crystal display (LCD) driving system includes a reference voltage generator to generate a plurality of reference voltages. The LCD driving system also includes a plurality of drive buffers to generate drive voltages according to at least one of the reference voltages, and to drive at least a portion of a liquid crystal display to present data according to the drive voltages.
摘要:
A method and apparatus to provide random access to a programmable logic register. A processing device in a programmable logic system retrieves data from a memory of the programmable logic system. The data is loaded into a configuration register configured to store configuration data for a programmable logic function over a system bus. The processing device programs a programmable logic block to implement the programmable logic function based on the configuration data, where the processing device is configured to access a first configuration register in the configuration register set, the first configuration register corresponding to a first programmable logic block in the programmable logic system, without affecting a second configuration register corresponding to a second programmable logic block.
摘要:
Different functional elements are all located on a same integrated circuit wherein at least one of the functional elements comprises a micro-controller. Configuration registers or configuration memory in the integrated circuit store configuration values loaded by the micro-controller. Connectors are configured to connect the integrated circuit to external signals A system level interconnect also located in the integrated circuit programmably connects together the different functional elements and different connectors according to the configuration values loaded into the configuration registers.
摘要:
Methods and a system of configuring a programmable device using a DMA controller are disclosed. In one embodiment, a method includes generating a direct memory access (DMA) request to a direct memory access (DMA) controller in response to a reset of the programmable device. The method further includes automatically loading configuration data of the programmable device to configuration registers of the programmable device using the DMA controller.
摘要:
A programmable system includes a programmable analog device including an operational amplifier to generate an output voltage based on input voltages at terminals of the operational amplifier. The programmable system also includes a system controller to direct the programmable analog device to reconfigure analog circuitry providing the input voltages to the operational amplifier. The reconfiguration of the analog circuitry allows the programmable analog device to implement discrete-time or continuous-time functions.
摘要:
A programmable routing scheme provides improved connectivity both between Universal Digital Blocks (UDBs) and between the UDBs and other micro-controller elements, peripherals and external Inputs and Outputs (I/Os) in the same Integrated Circuit (IC). The routing scheme increases the number of functions, flexibility, and the overall routing efficiency for programmable architectures. The UDBs can be grouped in pairs and share associated horizontal routing channels. Bidirectional horizontal and vertical segmentation elements extend routing both horizontally and vertically between different UDB pairs and to the other peripherals and I/O.
摘要:
A system includes a controllable voltage generator to generate a power supply voltage. The system also includes a system controller to determine a voltage level associated with the power supply voltage, and prompt the controllable voltage generator to generate the power supply voltage. The system includes a floating gate reference device to generate an absolute voltage reference based, at least in part, on the voltage level associated with the power supply voltage. The system can also include analog circuitry to perform one or more electrical operations responsive to the absolute voltage reference from the floating gate reference device.
摘要:
A Programmable System on a Chip Hub (PHUB) is configured to enable master processing elements within the PHUB to simultaneously access peripherals on different busses. The master processing elements include a Central Processing Unit (CPU) interface configured to decode addresses received from a CPU and configure the PHUB to connect signaling from the CPU to one of the multiple busses associated with the address. A second one of the master processing elements is a Direct Memory Access Controller (DMAC) source engine configured to conduct Direct Memory Access (DMA) reads. A third one of the master processing elements is a DMAC destination engine configured to conduct DMA writes independently of the CPU interface.