ATF2500C-20JI

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Embedded CPLDs refer to a type of semiconductor device that is usually used for programmable logic related designs and applications. These devices typically range in size from the very small, around 10s of pins, to the incredibly large, with up to millions of pins. The most common CPLD implementation type is the Complex Programmable Logic Device (CPLD).

The ATF2500C-20JI model is an embedded CPLD manufactured by Altera Corporation. This device is composed of a combination of programmable logic elements, Memory Configuration Fuses, and user-defined Data Registers. It includes up to 8192 logic elements and 1096 user-defined registers. It offers an array of 800 JTAG data bits and 40 I/O control bits. It also includes 4,000 high-speed registers, a total maximum operating frequency of 150 MHz, and a total transceiver bandwidth of 28 Gb/s. ATF2500C-20JI CPLD offers enhanced features such as enhanced cycle-based triggering, advanced resource sharing, and expanded test coverage.

The main application fields of the ATF2500C-20JI CPLD include networking, automotive, industrial, and medical. This device is used in a wide range of applications including the development of multiple gateways, advanced electronic load switching, and motor control. Additionally, it can be used for the development of system-on-chip device architectures, superior memory management, and more robust system debugging. The ability to program and reprogram the embedded logic elements of this CPLD makes it ideal for applications that require frequent reprogramming.

The general working principle behind most CPLDs revolves around the use of structured logic cells. These logic cells contain input, output and combinatorial interconnects along with a specialized programming language tailored to the specific architecture design. Each programmed logic cell in the CPLD is connected to another in order to form a logic network. This logic network then performs its logic operations to produce a desired outcome. As CPLDs are essentially composed of SRAM arrays, these logic operations are performed at very high speeds when multiple logic cells are interconnected.

In the case of the ATF2500C-20JI embedded CPLD, these structured logic cells are connected in such a manner as to allow for a connection between input and output signals and the programmable memory registers. This connection is facilitated by the use of the 40 I/O control bits, which allow for the transfer of data between the input and output wires of the CPLD. The user-defined registers furthermore control the various operations that are to be performed by the logic cells.

The data registers furthermore enable the user to customize the behavior of the logic cells by enabling the selection of different operations such as AND, OR, NOR, NAND, XOR, and an array of other complex functions. The programmable memory registers of the ATF2500C-20JI CPLD are configured to provide the device with an adequate amount of flexibility for its users. This configuration allows for different types of tasks to be performed by the CPLD, from simple logic functions to those more complex operations such as the detection of specific signals or the comparison of data.

In conclusion, the ATF2500C-20JI CPLD is a highly functional and versatile device that has a wide range of applications. It is capable of performing a variety of complex operations as well as providing users with enhanced features such as improved cycle-based triggering, advanced resource sharing, and expanded test coverage. Furthermore, its ability to program and reprogram its logic cells makes it the perfect choice for applications where flexibility and reprogrammability are needed.

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