摘要:
An electronic card with dynamic memory allocation management is provided, which requires only one single memory by utilizing a dynamic memory controller having a selector and a first, a second and a third base registers. A first DMA controller provides an output address added to the first base register for performing data access. A micro-controller provides an output address added to the second base register for performing data access. A second DMA controller provides an output address added to the third base register for performing data access. When the micro-controller, the first DMA controller or the second DMA controller issues an access request to the memory, the dynamic memory controller selects one of the micro-controller, and the first and second DMA controllers to access the memory based on a sequence of the access requests.
摘要:
A separable multi-interface I/O card device comprises an I/O bridge and an I/O device. The I/O bridge includes a host interface for coupling to an electronic device, a bridge unit, and a first I/O bus, wherein the bridge unit is adapted to either convert signals from the host interface into signals of the first I/O bus or convert signals from the first I/O bus into signals of the host interface, and supply power from a power pin of the host interface to the first I/O bus. The I/O device includes an I/O functional unit and a second I/O bus mated with and separably coupled to the first I/O bus so as to send power, I/O, data, and control signals from the host interface to the I/O functional unit.
摘要:
A portable universal serial bus (USB) data exchanger device is described herein. In one embodiment, the portable USB data exchanger includes at least one flash memory chip having a multi-level cell (MLC) memory array, a flash memory controller coupled to the at least one flash memory chip, the flash memory controller having a USB on-the-go (OTG) capability and controlling reading and writing of the flash memory chip, a first extended USB (EUSB) connector coupled to the flash memory controller to be coupled to a host, and a second EUSB connector coupled to the flash memory controller to be coupled to a slave USB device. The Portable USB data exchanger can communicate with either a host or a slave USB device without polling. Other methods and apparatuses are also described.
摘要:
A system for producing high volume flash memory cards includes a processing unit, a PC interface for connecting to an external PC, a PC drive circuit connected to the PC interface and the processing unit, a card interface for connecting to an external flash memory card, and a card drive circuit connected to the card interface and the processing unit. The PC drive circuit realizes communication between the PC and the processing unit. The card drive circuit realizes communication between the flash memory card and the processing unit. The processing unit receives command or data from the PC interface, and sends card re-initialization command or data to the flash memory card via the card interface.
摘要:
A multi-functional electronic card capable of detecting removable cards includes at least one functional device, a controller, a host interface, and a removable card interface. The host interface has a card detecting pin fixed at a level representing that a card is inserted. The removable card interface has an elastic switch connected to the device detecting pin of the controller. The controller detects event and status of a card insertion and removal by a level change of the device detecting pin for setting the event and status in a status register, and informs the host device through the host interface so that the host device reads the status register to determine whether the removable card is inserted or removed.
摘要:
A multi-function electronic card has a host interface, a multi-functional controller and a plurality of function devices. Each function device is connected to the host via the host interface by issuing an interrupt request to the multi-functional controller. The multi-functional controller has an interrupt queue and an interrupt status register, each bit of the interrupt status register corresponding to a function device. When a function device issues an interrupt request, an identification number of the function device is stored into the interrupt queue, and only when all the bits in the interrupt status register are zeros, a corresponding bit in the interrupt status register is set as 1 for issuing an interrupt request to the host. When the host has serviced the function device, the interrupt queue is updated and the interrupt status register is cleared.
摘要:
An electronic card capable of changing communication functionality of a coupled electronic device is disclosed. A removable interface has at least a card detection pin which is set at a first state or a second state based on the coupled electronic device. A functional module provides a communication functionality via an access bus or a specific application bus based on whether the card detection pin is at the first state or the second state. A bridge is provided for bridging and converting signals of the interface bus on the removable interface into signals of the access bus or the specific application bus, or vice versa. A multiplexer device selects signals of the access bus or signals of the specific application bus based on whether the card detection pin is at the first state or the second state for being switched to the interface bus.
摘要:
There is disclosed a global positioning system electronic card capable of dynamically plugging navigation information, which includes a multi-interface controller, a dynamic insertion/removal card interface for being dynamically inserted with a memory card stored with map data, a GPS module, and a host interface. When the memory card is inserted into the dynamic insertion/removal card interface, the dynamic insertion/removal card interface notifies the multi-interface controller for further informing the host device through the host interface to read the map data in the memory card, thereby displaying a corresponding map. After determining the positioning coordinate, the GPS module notifies the multi-interface controller for further informing the host device through the host interface to read the positioning coordinate determined by the GPS module, which is compared with the map data read previously, thereby labeling a coordinate position on the map.
摘要:
An ExpressCard having USB connection has a card case having two opposite first and second end portions and two opposite lateral portions. A card connector is formed at the first end portion of the card case and having a USB interface. Flash chips are implemented in the card case. A USB flash controller implemented in the card case and connected between the USB interface and the flash chips in order to provide a data access to the flash chips through the USB interface. A USB socket, in form factors of Mini-USB or Extended Mini-connector-type, is implemented in the card case and connected to the USB flash controller in order to provide a data access to the one or more flash chips therethrough. An extended Universal-Serial Bus (EUSB) host enters a suspend mode rather than poll an ExpressCard that is busy performing a memory or other operation, thereby saving power.
摘要:
A system is provided for analyzing metabolomics data received from an analytical device across a group of samples. The system automatically receives a data matrix corresponding to each of the samples, wherein the data matrix includes rows corresponding to each of the samples and columns corresponding to a group of ions present in the respective samples. A processor is provided for determining a characteristic value corresponding to at least one of a group of components present in the samples, wherein the components are made up of at least a portion of the group of ions, using at least one of a correlation function and a factorization function. A user interface is in communication with the processor for displaying a visual indication of the characteristic value such that a user may receive a visual indication of the types of components present in the samples.