EPM1270F256C5

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Complex Programmable Logic Devices (CPLDs) are used in a variety of applications due to their ability to reconfigure their internal logic on the fly. More sophisticated than their Programmable Logic Device (PLD) predecessors, CPLDs have the capability to act as standardized computers, in addition to their ability to be programmed to execute a specific logic application. An example of a customer PLD is the EPM1270F256C5.

Microprocessor Embedded CPLDs

The EPM1270F256C5 is a re-programmable, 256 macrocell CPLD integrated with a microprocessor-based controller. This CPLD contains a 16-bit architecure microprocessor with a RISC core that is able to clock at speeds up to 150MHz and store up to 1KB of RAM. This controller is useful for applications that require a high degree of precision or require specialized functions, such as signal processing or communications.

Embedded CPLDs

The EPM1270F256C5 is also well suited for embedded applications, combining the features of a CPLD and microcontroller. Embedded CPLDs can be programmed to control a variety of complex systems and processes, including automation and digital signal processing. The controller’s programming language takes the guesswork out of digital logic design, allowing for the rapid design of microcontroller-based systems. It can be used to control large-scale embedded systems with hundreds of I/O pins, or to develop special-purpose controllers for specific applications.

Working Principle of the EPM1270F256C5

The EPM1270F256C5 CPLD is designed as a low-cost, low-power solution that is still powerful enough to be used in a variety of applications. Its on-board microprocessor allows for complex instructions that can be easily implemented in either a simple or complex system. The CPLD is programmed using a standard assembler language, and uses a JTAG connector for programming. This connector, which is used on all JTAG-compliant CPLDs, allows for rapid programming and debugging, as well as a seamless interface to external development tools.

The CPLD’s logic blocks are connected via oblong “taps” or a higher speed “bus,” which can be used for data transfer. The CPLD can also be used to implement arithmetic functions and counters within the same logic block, making them especially suited for complex digital signal processing applications. In addition, the EPM1270F256C5 can be used to implement a complete 8-bit microprocessor core, allowing it to be used in a wide range of applications.

Advantages of the EPM1270F256C5

The EPM1270F256C5 is a cost-effective, low-power solution for embedded applications. Its small size and low power requirements make it an ideal choice for applications where size or power budget is a constraint, such as mobile device applications. The CPLD’s onboard microprocessor provides additional processing power and flexibility, while the large array of I/O pins and the wide variety of programming options make it one of the most versatile CPLDs on the market.

The EPM1270F256C5 can be programmed to operate at speeds up to 150MHz, and its simple JTAG programming interface ensures fast and easy programming. In addition, the CPLD’s high-speed bus architecture allows for data transfers up to 50Mb/s. This makes it especially suited for applications that require high-speed data transfer, such as video streaming or medical imaging.

Conclusion

The EPM1270F256C5 is an example of an embedded CPLD. Its combination of a powerful microprocessor, large array of I/O pins, and low power requirements make it well suited for a wide range of embedded applications. Its ability to be quickly and easily programmed through a standard JTAG connector provides the flexibility and speed that many modern applications require. The versatility of the EPM1270F256C5 makes it an ideal choice for embedded projects looking for a highly programmable and low-cost solution.

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