Series:	MAX® II
Packaging:	Tray
Part Status:	Active
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	5.4ns
Voltage Supply - Internal:	1.71 V ~ 1.89 V
Number of Logic Elements/Blocks:	570
Number of Macrocells:	440
Number of I/O:	76
Operating Temperature:	-40°C ~ 100°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	100-TQFP
Supplier Device Package:	100-TQFP (14x14)
Base Part Number:	EPM570

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EPM570GT100I5N application field and working principle

Introduction

EPM570GT100I5N is a Compact Programmable Logic Device (CPLD) from Altera Corporation. CPLDs are widely used in embedded applications as they are cheaper and perform faster than FPGAs. The EPM570GT100I5N is a versatile device that uses a few external components and can be configured to provide custom logic functions.

Application Fields

Given its programmable nature, CPLDs are used in a variety of applications. Some of the examples are:

• Digital control – CPLD can be programmed to implement digital controllers such as pulse width modulation (PWM) and timer/counters.
• Communication Interfaces – CPLDs can be used to implement serial and parallel protocols.
• Data Acquisition and Real-Time Systems – CPLDs can be used in data acquisition systems to filter and store data as well as in real-time systems to respond to input in a timely manner.
• Analog and Digital Signal Processing – CPLDs can be used to automate signal processing tasks such as Fourier analysis and modulation/demodulation.
• Computer-Aided Design (CAD) Support – CPLDs can be programmed to assist in computer-aided design jobs such as extracting device-level timing constraints from higher-level registers.

Functionality

The EPM570GT100I5N is a CPLD with flexible levels of integration and configurability. It has 2545 combination logic elements (CLBs), which can be used to implement Logical Functions, Memory and Logic Structures, or each CLB can be configured as a Shift Register.

Logical Functions:

The EPM570GT100I5N supports a variety of logical functions such as AND, OR, XOR, NOT, NAND and NOR gates. Each CLB can implement two logic functions and have three inputs and one output.

Memory and Logic Structures:

In addition to the logical functions, the EPM570GT100I5N supports memory and other logic structures such as Edge-Triggered Flip-Flops, Counter/Shift Modules, and Timers.

Shift Register:

The EPM570GT100I5N can also be configured as a Shift Register. This allows the device to be used for communication interface applications, data acquisition systems and other applications that require shifting data in/out of the device.

Working Principle

The working principle of the EPM570GT100I5N is similar to the working principle of other CPLDs. It consists of multiple logic elements (LEs) which can be configured to implement various logic functions. A programmable logic array (PLA) is used to connect the LEs together to form the desired logic functions. A set of configuration fuses are programmed to tell the device how to connect the LEs. When power is applied, the fuses are read and the device is configured to perform the desired logic functions.

Conclusion

The Altera EPM570GT100I5N is a versatile CPLD device with a wide range of applications. It uses a few external components and can be configured to provide custom logic functions. Given its programmable nature, CPLDs are widely used in embedded applications. It has an array of logic elements which can be configured to implement specific logical functions as well as other complex logic structures.

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