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Embedded - CPLDs (Complex Programmable Logic Devices)

The EPM570T144I5 is an electrically programmable complex programmable logic device (eCPLD). This device provides designers with an ideal device for a wide range of applications including digital signal processing, data processing, microprocessor interface and high density logic functions. This device contains 144 I/O pins and is used in various industrial and commercial products.

Application Field

The EPM570T144I5 can be used in many different industrial and commercial applications, such as:

• Data processing;
• Digital signal processing
• Process control
• Robotics
• Medical instrumentation
• Building access systems
• Communications
• High speed interfacing

The device is also suitable for combining functions where logic, sequential and RAM functions are needed. It is a cost-effective solution for increasing logic performance when used in such applications as digital logic, interface logic and data processing.

Working Principle

The EPM570T144I5 uses programmable logic that are based on erasable memory. Data is stored in programmable memory and then programmed into the device to form specific logic functions. This technology is known as Complex Programmable Logic Devices (CPLDs).

The device operates with a varying electrical charge, whereby the memory can be programmed to store a variety of logic functions. By altering the electric charge, the logic functionality can be modified. This feature is a great advantage for designers who can tailor the logic function to the specific needs of theirapplication.

The memory of the EPM570T144I5 can be programmed using JTAG interface and compatible programming software. This feature allows for quick and easy programming of the device. Prior to programming the device, a device model and schematic must be produced. This schematic is then used by the programming software to create a unique set of logic functions.

Conclusion

The EPM570T144I5 is a powerful and cost-effective device for industrial and commercial applications, including data processing, digital signal processing and process control. The device uses a programmable memory that can be programmed using JTAG interface and compatible software. This allows for quick and easy programming of the device.

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