EPM7128EQC100-20

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EPM7128EQC100-20 Application Field and Working Principle

The EPM7128EQC100-20 is a CPLD (Complex Programmable Logic Device) from Altera\'s EPM7000 family. With its low power consumption, small package size, low cost, and capabilities for programming, the EPM7128EQC100-20 makes it an ideal choice for embedded design applications. This article will discuss the application fields of the EPM7128EQC100-20, as well as its working principle.

Application Fields of the EPM7128EQC100-20

The EPM7128EQC100-20 CPLD is designed for a wide range of applications, from industrial automation and mobile phones to high performance computing and network applications. Its small package size and low power consumption make it an ideal choice for applications that require a small footprint and low power consumption.

The EPM7128EQC100-20 CPLD can also be used in embedded designs, especially where performance demands and space constraints limit the use of other technologies. Its low cost and ability to be programmed allows it to integrate into existing systems and provide new features that would otherwise be unavailable. Examples include signal conditioning, signal intelligence, intelligent control and monitoring, and complex logic operations.

Working Principle of the EPM7128EQC100-20

The EPM7128EQC100-20 CPLD uses a reconfigurable interconnect architecture, in which configurable logic blocks (CLBs) are arrayed in a matrix over a programmable interconnect fabric. The CLBs are connected to a dedicated I/O pins via the interconnect. The CLBs provide a range of logic functions, such as logic gates, adders, comparators, and shift registers.

The EPM7128EQC100-20 CPLD also has a memory array for storing logic state data such as arithmetic operations, lookup tables, and data-controlled logic functions. The contents of the memory array can be initialized, reprogrammed, or updated in real time as required. In addition, the CPLD has an on-chip phase-locked loop (PLL) that allows it to access on-chip memory and peripherals at high speeds.

The workings of the EPM7128EQC100-20 CPLD are based on an FIPS (Functional Instruction Set Program) architecture. FIPS instructions can be written in VHDL or Verilog, and convert the instructions into logic controller instructions. Programming is done using Altera\'s Quartus software, which can be used to create logic diagram for the logic blocks and to assign I/O pins functions. Once programmed, the logic can be tested using Altera\'s SignalTap software.

In summary, the EPM7128EQC100-20 CPLD is a versatile and cost-effective solution for embedded designs that require low power consumption and small package size. Its ability to be programmed and updated in real time allows it to be used in systems that require flexible I/O pins and complex logic operations.

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