EPM9400RC208-20

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Complex Programmable Logic Devices (CPLDs) offer numerous advantages over their traditional counterparts, such as intricate logic and memory capabilities. They use configuration instructions to define the function and operation of a device and are therefore often used in the development of embedded systems and embedded controllers. One such device is the EPM9400RC208-20 from Altera Corporation, which can be found in applications from automotive to consumer products. This paper looks at the application field and working principle of the EPM9400RC208-20.

The EPM9400RC208-20 is an 8k Programming and Interfacing Logic Device, complete with programmable logic, logic array, input/outputs, and reconfigurable I2C, UART and SPI ports. Its programmable logic can be used to create and execute algorithms, establish communication between embedded systems, and create custom digital circuits or functions. The reconfigurable I2C, UART and SPI ports provide on-the-fly programming and data transfer capabilities. The logic array includes three distinct arrays: a programmable logic array, an induced logic array, and a sign logic array. The logic arrays allow for complex tinkering, fine tuning, and logic filtering of user applications.

The EPM9400RC208-20 is designed for a wide variety of consumer and industrial applications. It is ideally suited for automotive, consumer and medical products, projects that use the Internet of Things (IoT) or require a low power consumption embedded system. Examples of products that use the EPM9400RC208-20 are automotive ECUs, touch screens, embedded web servers, security systems and industrial PCs. The use of the device can help to reduce the number of components, manufacturing costs and component size, making product designs more efficient and reliable.

The EPM9400RC208-20 is programmable via traditional JTAG or In-Circuit Serial Programming (ISP) interface. It is based on the EPM9400 family of Altera Corporation’s family of FPGAs and processors, and therefore comes with the same development tools and component libraries. The device also comes with extensive support from Altera Corporation, which offers extensive documentation, application notes and application examples.

The working principle of the EPM9400RC208-20 is based on the three logic arrays. The programmable logic array contains user logic, allowing users to build complex logic structures and customize their design. The induced logic array and sign logic array define the required logic internal to the device. Of particular note is that all three arrays can be programmed together or separately, allowing users to customize their design based on their specific application requirements.

The EPM9400RC208-20 also comes with a highly customizable array of I/Os, 32 of them in total. Of particular note is that all I/Os can be freely configured, allowing users to create custom I/O buses and protocols. Other customizations include programmable slew rate, active drive strength and pull-up/pull-down circuitry. This is especially useful when creating memory interfaces or data bus protocols.

In conclusion, the EPM9400RC208-20 is an embedded logic device with multiple logic and memory capabilities. It is an ideal solution for projects that require powerful logic capabilities, efficient communications and the flexibility for custom I/O buses. It comes with a full suite of development tools and a comprehensive support structure from Altera Corporation. With its suite of programming options, flexible I/O and robust logic capabilities, the EPM9400RC208-20 makes a great choice for developers of embedded systems.

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