about common embedded PLDs and popular models.

Programmable Logic Devices (PLDs) are electronic components that are used to implement digital circuits. They are designed to be programmed by the user to perform specific functions. PLDs are widely used in embedded systems, where they are used to implement logic functions, control circuits, and other digital circuits. In this article, we will discuss common embedded PLDs and popular models.

Common Embedded PLDs

There are several types of PLDs that are commonly used in embedded systems. These include:

1. Field-Programmable Gate Arrays (FPGAs)

FPGAs are the most popular type of PLD used in embedded systems. They are highly configurable and can be programmed to perform a wide range of functions. FPGAs consist of a large number of configurable logic blocks (CLBs) that can be connected together to implement complex digital circuits. FPGAs are used in a wide range of applications, including telecommunications, automotive, aerospace, and industrial control systems.

2. Complex Programmable Logic Devices (CPLDs)

CPLDs are similar to FPGAs, but they are smaller and less complex. They are designed to implement simple logic functions and control circuits. CPLDs consist of a small number of logic blocks that are connected together to implement the desired function. CPLDs are used in applications where cost and power consumption are critical factors.

3. Programmable Array Logic (PAL)

PALs are a type of PLD that is used to implement simple logic functions. They consist of a programmable AND array and a fixed OR array. The AND array is programmed to implement the desired logic function, and the OR array is used to combine the outputs of the AND array. PALs are used in applications where cost and simplicity are critical factors.

4. Programmable Logic Arrays (PLAs)

PLAs are similar to PALs, but they are more flexible. They consist of a programmable AND array, a programmable OR array, and a programmable output array. The AND and OR arrays are programmed to implement the desired logic function, and the output array is used to generate the output signals. PLAs are used in applications where flexibility and performance are critical factors.

Popular Models

There are several popular models of PLDs that are widely used in embedded systems. These include:

1. Xilinx FPGAs

Xilinx is one of the leading manufacturers of FPGAs. Their products are widely used in a wide range of applications, including telecommunications, automotive, aerospace, and industrial control systems. Xilinx FPGAs are highly configurable and can be programmed to perform a wide range of functions. They are available in a range of sizes and configurations to meet the needs of different applications.

2. Altera FPGAs

Altera is another leading manufacturer of FPGAs. Their products are widely used in a wide range of applications, including telecommunications, automotive, aerospace, and industrial control systems. Altera FPGAs are highly configurable and can be programmed to perform a wide range of functions. They are available in a range of sizes and configurations to meet the needs of different applications.

3. Lattice FPGAs

Lattice is a manufacturer of FPGAs that are designed for low-power applications. Their products are widely used in battery-powered devices, such as mobile phones and portable medical devices. Lattice FPGAs are highly configurable and can be programmed to perform a wide range of functions. They are available in a range of sizes and configurations to meet the needs of different applications.

4. Atmel CPLDs

Atmel is a manufacturer of CPLDs that are widely used in embedded systems. Their products are designed to implement simple logic functions and control circuits. Atmel CPLDs are available in a range of sizes and configurations to meet the needs of different applications. They are used in applications where cost and power consumption are critical factors.

Conclusion

PLDs are an essential component of modern embedded systems. They are used to implement digital circuits, control circuits, and other functions. There are several types of PLDs that are commonly used in embedded systems, including FPGAs, CPLDs, PALs, and PLAs. Each type of PLD has its own strengths and weaknesses, and the choice of PLD depends on the specific requirements of the application. Xilinx, Altera, Lattice, and Atmel are some of the leading manufacturers of PLDs, and their products are widely used in a wide range of applications.