LFE2-20SE-5F672C

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FPGAs, short for Field Programmable Gate Arrays, are integrated circuit chips designed to be configured for specific tasks by the user, such as digital signal processing, video processing, and embedded systems. The LFE2-20SE-5F672C from Lattice Semiconductor Corporation is an embedded FPGA designed for low-power and low-cost applications. It is particularly well-suited for applications that require high data handling performance and flexibility, such as telecommunications and networking equipment.

Application field

The LFE2-20SE-5F672C FPGA is mainly used in communications, storage, and computing applications. It can be used in industrial, automotive, aerospace, and other embedded systems. For example, it can be used in industrial controllers, such as those used in factory automation; in automotive controllers, such as those in automotive safety systems; and in telecommunications, such as those in routers, switches, and gateways. In addition, it can be used in storage systems, such as Solid State Drive (SSD) controllers.

The LFE2-20SE-5F672C is also suitable for low-power IoT and AR/VR applications, due to its low power consumption features. Its configurable logic blocks and dedicated embedded processors can be used to develop smart devices, such as wearables, smart cameras, and home appliances. In addition, the FPGA can be used to develop medical monitoring and imaging systems, such as ECG, EEG and X-ray devices.

Working principle

An FPGA consists of a large array of configurable logic blocks (CLBs), which are connected by an array of programmable interconnects. In addition, the CLBs may include embedded processors, memory blocks, and peripherals. The LFE2-20SE-5F672C has 4,883 CLBs and 192 Kilobits of memory. The CLBs are programmable and can be configured as combinational logic (AND, OR, XOR), sequential logic (flip-flops, counters, state machines), or memory blocks. The programmable interconnects are used to select which CLBs are connected to each other and where they are connected.

The programming configuration is stored in a Flash memory on the die, so the FPGA continues to operate the same way even when power is removed. The Flash memory can be programmed via a PCI Express or JTAG interface, and a USB or UART interface can be used for external configuration control. The FPGA also supports multiple input/output (I/O) standards, such as LVDS, LVCMOS, and TTL, which enable it to be used in various designs.

The LFE2-20SE-5F672C also has an on-chip clock generation circuit, which can generate different clock frequencies from a reference clock signal. This helps to reduce design complexity and cost, as well as improve system performance. Additionally, the FPGA has integrated ESD, EMI, and Enertec protection features, which enable it to be used in harsh environments.

Conclusion

The LFE2-20SE-5F672C FPGA from Lattice Semiconductor Corporation is an embedded FPGA designed for low-power and low-cost applications. It is well-suited for data-handling, communication, storage and computing applications. Its configurable logic blocks, embedded processors, and programmable interconnects enable it to be used in various designs. Additionally, it has low power consumption features, on-chip clock generation, and protection features that make it suitable for industrial, automotive, aerospace, and other embedded systems.

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