Embedded - CPLDs (Complex Programmable Logic Devices) are a type of digital integrated circuit that users can configure to perform various logical operations. They consist of a matrix of configurable logic blocks connected through a programmable interconnect. CPLDs are essential for designers who need to create complex logic structures, but with a predetermined, fixed number of resources. These devices are widely used in electronic products because they offer the flexibility to impLEMent logic functions such as data processing, signal control, and device interfacing, all while being reprogrammable after manufacturing—enabling design iterations and updates without the need for new hardware.
The main uses of CPLDs include digital signal processing, communication interfaces, power management systems, and as glue logic, which helps interface different components on a circuit board. Their characteristics such as low power consumption, high-speed performance, and predictable timing make them particularly well-suited for applications where power efficiency and timing are critical. CPLDs are valued for allowing rapid prototyping and design changes, which accelerates the product development cycle. Some of the prominent manufacturers of Embedded - CPLDs are Xilinx, Altera (now part of Intel), Lattice Semiconductor, and Microchip Technology.