DS90CR584MTDX

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The DS90CR584MTDX is an Integrated Buffer, Transceiver and RSDS/CMOS I2C-Bus interface device. It was developed to provide a low voltage and low power interface between the system FPGA and a number of different peripherals that are operating at either 3.3V, 3.0V, 2.5V or 1.8V. Designed to be used in edge mounting on the motherboard or daughterboard, the DS90CR584MTDX is a critical piece of interface means between the system and peripherals or a bridge between different bus standards.

The application field of DS90CR584MTDX is broad and complex. It provides a differentiated feature set to a wide range of applications, such as Digital Video systems, Mobile phones, Cellular base stations, Automotive and Industrial applications. The greater the complexity of a system, the more critical and important the interface solutions become. In these applications, the device is often required to directly control the I/O operations of the data buffers, while providing a reliable and efficient interface between the system and the FPGA.

The working principle of the DS90CR584MTDX is simple yet effective. At the hardware level, the device includes two multilane buffers, one for the input and one for the output, as well as the I2C-Bus interface. For the input buffer, data is read from the FPGA and the two buffers are used to store the data. For the output buffer, data is written to the FPGA from the two buffers. Whenever there is an I2C-Bus command received, the interface automatically triggers the read or write operation of the corresponding buffer.

The I2C-Bus interface is responsible for transmitting the high-level Protocol commands between the system and the FPGA. The interface includes several control signals including Request, Acknowledge, Data Request and Acknowledge. These signals are used to synchronize the communication between the system and the peripheral devices. At the software level, the device supports features such as I2C-Bus error detection, watchdog timer and address generation.

The device also supports two different memory management schemes, direct memory access (DMA) and indirect memory access (IMA). DMA allows data to be transferred to and from the FPGA directly, while IMA uses a memory-mapped interface to transfer data. This allows for high speed data transfer between the two devices. The device also supports multiple memory types, such as SRAM and Flash, giving it the flexibility to support a wide range of applications.

In summary, the DS90CR584MTDX is a highly versatile, low voltage and low power, integrated buffer, transceiver and RSDS/CMOS I2C-Bus interface device. It provides a reliable and efficient interface between the FPGA and a wide range of peripherals, while being able to support features such as I2C-Bus error detection, watchdog timer and address generation in a cost effective and low power architecture.

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