XCV100-6FG256C

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Embedded FPGAs (Field Programmable Gate Array) are becoming integral components in modern electronic designs. They are used to provide performance improvement over ASICs (Application Specific Integrated Circuits), often at a lower cost, while retaining the flexibility of a re-programmable design. As embedded FPGAs are integrated into more and more systems, greater understanding is needed of their application field, working principle and how they differ from other integrated circuits. In this article, we will focus on the XCV100-6FG256C FPGA and discuss its application field and working principle.

The XCV100-6FG256C from Xilinx is a low-cost, mid-performance FPGA solution. Using a Virtex-II architecture, this device provides up to 53,664 system gates, including 256 programmable 8-input Look-Up Table (LUT) flip-flops per logic block. It also provides additional features such as Block-RAM, Clock Management Tiles, a dual-port SelectRAM memory, and two 18 x 18 multipliers. The device comes in a 12x12mm 144-pin BGA package and operates over a range of 1.2V to 2.85V.

Due to its mid-performance, low-cost and low-power characteristics, the XCV100-6FG256C is widely used in a range of embedded applications. It can be found in industrial automation systems, medical imaging, automotive infotainment, network communications and IoT applications. In these systems, the FPGA is used to provide reconfigurable logic with the flexibility to adapt to the changing needs of the application over time, without expensive re-design. This functionality is often used in network communications and IoT applications, where the FPGA can be used to customize device-level communication protocols.

The working principle of the XCV100-6FG256C is based on two key elements: the programmable logic and the interconnect structure. The first layer of the XCV100-6FG256C consists of 4-input Look-Up Table (LUT) circuits and flip-flops. These LUTs and flip-flops are connected to each other by a fully programmable interconnect structure. This interconnect allows any signal from any LUT to be routed to any other LUT on the device. Each interconnect can also be programmed to add delays or split paths, allowing for more intricate logic designs. The LUT is used to store a truth table which defines the device’s behavior for any given input. This truth table is programmed using the Xilinx Vivado Design Suite.

On top of the logic and interconnect layers, the XCV100-6FG256C also contains a range of peripherals such as Block-RAM, Clock Management Tiles, a dual-port SelectRAM memory and two 18 x 18 multipliers. These peripherals are also connected to the interconnect layer, allowing them to be integrated into the overall design. For even more flexibility, the XCV100-6FG256C supports distributed RAM, allowing multiple sections of memory to be connected together across multiple slices of logic.

In summary, the XCV100-6FG256C embedded FPGA from Xilinx is a low-cost, mid-performance device which provides programmable logic, interconnects and peripherals all in a single package. Due to its cost, performance and power efficiency, it is widely used in systems such as industrial automation, medical imaging, automotive infotainment, network communications and IoT applications. Understanding the application field and working principle of the device helps developers identify how it can be used in their applications.

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