ATF750C-15SI

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Embedded systems often require complex programmable logic devices (CPLDs) to solve a wide range of applications, from digital signal processing (DSP) to parallel interfacing. The ATF750C-15SI was developed by Atmel as such a device, resulting in a versatile, powerful and cost-effective solution for embedded system designers. This article will discuss its application field, features, and working principle.

Application Field

The ATF750C-15SI CPLD is ideal for use in a wide range of embedded applications, due to its high-speed performance, flexibility, and cost-effectiveness. It is suitable for use in a variety of fields, including automotive, industrial, medical, aerospace and transportation. With its built-in configurable logic array and Flash memory, it is capable of easily programming and reprogramming application-specific logic functions, including logic functions such as counters, encoders, comparators, buses and assemblers. Moreover, its multi-voltage support enables the device to be used in applications that require the operating voltage to range from 2.7-5.5V.

Features

The ATF750C-15SI CPLD has a number of features that set it apart from other CPLDs available today. It has a total of 16 macrocells, with each macrocell having up to four-input logic functions, making it highly configurable to meet the most demanding applications. In addition, the device can be programmed with up to 4,063 logic functions, making it suitable for a variety of complex applications. It also features a dedicated pins-sustaining pin-tech block, allowing the device to sustain self-determined pin values. It has a total power consumption of 5mW, making it energy efficient and suitable for battery-operated applications.

Working Principle

The ATF750C-15SI CPLD works on the principle of reconfigurable logic. This means that the device can be programmed with a design that can be changed at any point in time, depending on the application. The device can be programmed using a wide range of programming languages, including Verilog, VHDL, Pascal, C and C++. After the programming is completed, the logic is stored in the device’s non-volatile Flash memory, allowing for quick and easy programming and reprogramming.

Pins-sustaining pin-tech blocks are an important feature of the ATF750C-15SI CPLD, allowing the device to hold certain pre-programmed pins at the same voltage level. This feature is useful for applications where certain pins need to be kept at a certain voltage level and remain unchanged, such as in automotive applications.

The ATF750C-15SI CPLD also features an in-system programming and in-circuit reconfiguration capability, allowing designers to modify the logic on-the-fly without having to unplug and reprogram the device. This feature is useful in applications where there are high levels of uncertainty or frequent changes in the design of the system.

Conclusion

The ATF750C-15SI was developed by Atmel as an effective and reliable CPLD for embedded systems. Its high-speed performance, flexibility, low power consumption, and pins-sustaining pin-tech block make it an ideal solution for a range of applications. Its configurable logic array and Flash memory allow for easy programming, while its in-circuit reconfiguration capability allows for quick modifications to be made without the need to reprogram the device. All of these features make the ATF750C-15SI an attractive choice for embedded system designers.

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