EPM570GF256C3

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Embedded - CPLDs (Complex Programmable Logic Devices)

The EPM570GF256C3 is an embedded Complex Programmable Logic Device (CPLD) manufactured by Altera Corporation. This CPLD comprises a 1020-gate AlteraMax® on-chip memory and a 12.7M-bit continuous logic array block, both of which provide incredibly fast and efficient programmable logic operation.

The EPM570GF256C3 has a wide range of applications, as it is designed to aid designers in quickly completing tasks such as firmware development, processor debugging, prototyping and general-purpose logic. This CPLD is especially suitable for time-critical applications, deeply embedded systems and any project requiring parameter storage, a variety of logic functions and high programmability.

Device architecture

The EPM570GF256C3 consists of two major components. The first is the 1020-gate AlteraMax on-chip memory, which is used for parameter storage and data manipulation. This memory can store up to 8,192 bits of data and instructions, which can be rapidly accessed and changed in response to changing tasks. The second is the 12.7M-bit continuous logic array block (CLAB), which is responsible for implementing complex logic functions. This CLAB is composed of up to 180 Macro Logic Elements (MLEs).

Programming the EPM570GF256C3

The EPM570GF256C3 is programmed using a programming language such as VHDL or Verilog. This programming language is used to design and implement logic functions and data manipulation operations inside the device. The device must be programmed either through its onboard ROM memory or with external memory such as EPROM or Flash. Once programmed, the device can be reconfigured or updated as needed. The device is programmed by downloading a series of files, typically a "Mapping File" followed by the bit file.

Working Principle

The working principle of the EPM570GF256C3 is based on logic programming. The device contains an array of logic elements, connected together in a predefined manner, which are used to implement the desired logic functions and data manipulation operations. The device is programmed by downloading a series of files, typically a “Mapping File” followed by the bit file. The mapping file stores the logical connections between the device’s logic elements, while the bit file contains the actual data bits that are used to implement the desired logic functions. Once the device is programmed, it can be reconfigured or updated as needed.

Summary

The EPM570GF256C3 is an embedded CPLD manufactured by Altera Corporation. It is designed to aid designers in quickly completing tasks such as firmware development, processor debugging, prototyping, and general-purpose logic. The device contains an array of logic elements, connected together in a predefined manner, which are used to implement the desired logic functions and data manipulation operations. The device can be programmed either through its onboard ROM memory or with external memory such as EPROM or Flash.

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