EPM1270M256C5N

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Embedded CPLDs, or complex programmable logic devices, are a class of programmable logic devices designed specifically for use in embedded systems. The EPM1270M256C5N is a 128 macrocell, 5volt CMOS CPLD (Configurable Complex Logic Device) that offers increased density, reduced power consumption, and added system performance for a wide range of embedded applications.

The EPM1270M256C5N features a low active power of 83mW/128macrocells at a supply voltage of 3.3V, a total gate count of 2048, and a mailbox register with independent write, read and acknowledge ports. This device is also capable of operating at up to 9MHz clock frequencies, yielding fast overall operation. Its CMOS construction, combined with an advanced integration architecture and design, provide improved performance and reliability, as well as compatibility with low cost packaging and 8- and 16-bit microcontrollers. To further optimize performance for embedded applications, the device offers programmable registers and configurable pull-up resistors.

The EPM1270M256C5N, with its array of configurable logic and additional logic library, is well suited for a wide array of embedded applications. It is configured in an “instant-on” configuration, meaning that the system can be put into operation almost immediately upon configuration, thanks to its fast wake up time.

The device is an ideal solution for applications requiring low active power dissipation, such as automotive, communication and industrial control systems. It can also be used for interfacing with various peripherals and applications requiring a mix of combinational and sequential logic, including those which require fast logic setup times and tight timing control. In the automotive segment, it is suitable for ECU (Engine Control Unit) applications and can provide a highly reliable system solution with fast wake up times.

Being reprogrammable, the EPM1270M256C5N can be easily configured for flexibility in design changes, making it ideal for prototyping and small lots. The device allows for easy multiplication of the logic functions and can easily include add-on features such as testability, power cycling and surveillance. With fast wake up and low active power, the device is also easily scalable for upgrading future applications.

In terms of working principle, the EPM1270M256C5N is programmed by a state machine, whereby a group of internal registers are used to store the control signals and system parameters. The control signals ensure that the right output signals are generated to perform a required function. The input signals are conditioned, evaluated and used to form the output signals. Once programmed, the EPM1270M256C5N will continuously execute the code and generate the desired output with no need for further programming.

The EPM1270M256C5N combines superior performance, low power, and increased density in a single device, making it the ideal choice for embedded applications. Its fast wake up times, easy configurability, and scalability make it perfect for applications requiring quick setup times and tight timing control, such as automotive and industrial control systems.

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