XCR3064XL-7CP56I

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Embedded - CPLDs (Complex Programmable Logic Devices)

The XCR3064XL-7CP56I is a high-end programmable logic device within the families of Complex Programmable Logic Devices (CPLDs) developed by Xilinx. CPLDs are produced using smaller and larger metal-oxide-semiconductor field-effect transistor (MOSFET) technology. Depending on the family of devices, the logic blocks of a CPLD can contain up to several hundred thousands of logic elements, supporting multiple functions and operations, such as those of sequential circuits and combinatorial logic, at speeds of up to several hundred megahertz.

Application Fields

The XCR3064XL-7CP56I CPLD is typically used for tasks that require larger and more complex logic devices that are either too costly or too unreliable to achieve. Examples are smart home design, automotive applications, manufacturing process automation, computer boart interfaces and motor control. Another common application field is remote control systems, such as remote-controlled aircraft and robotics. The programmable logic within CPLDs offers flexibility and reduces design complexity, cost and system time-to-market.

Working Principle

The XCR3064XL-7CP56I CPLD contains 16 macrocells and uses a single logic block array. Each logic block includes four function generators and four programmable registers. Further, the XCR3064XL-7CP56I also includes a dedicated arithmetic logic unit (ALU) able to perform binary operations on four data sources at a time. The ALU is designed to calculate addition and subtraction results, as well as to support more basic arithmetic operations such as multiplication and logic operations like ANDs and ORs.

The XCR3064XL-7CP56I makes use of advanced reprogrammable logic and its huge amount of memory to adapt its logic structure dynamically. Thus, the device is able to quickly reconfigure itself to a user-defined state. To do this, the user has to program the macrocells and the registers within the logic block. Each macrocell contains four functions, which can be controlled by the programmable registers from the outside. When a change in the user-defined condition occurs, the registers receive instructions from the outside and communicate with other logic blocks, controlling the logic function generators accordingly.

In order to make sure the logic blocks are performing to the desired setup, the device also offers a number of built-in test modes. Similar to how a CPU performs an initialization before computing a program, the logic blocks of the XCR3064XL-7CP56I CPLD can be tested with built-in self-tests. This way, the device can make sure that a user’s setup is configured correctly and check if the logic functions are working properly.

In summary, the XCR3064XL-7CP56I CPLD device offers a flexible programmable logic design, with most of its logic blocks containing registers, function generators and arithmetic logic unit to process user-defined sets of data. With its large memory, advanced reprogramming capabilities, and built-in test modes, this CPLD provides a reliable solution for remote control and automation tasks.

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