Cpld and fpga textbook pdf
Digital Systems Design with FPGAs and CPLDs - 1st EditionHere the term programmable indicates an ability to program a function into the chip after completion of silicon fabrication. This is possible by the programming technology, which is a method that can cause a change in the behavior of the pre-fabricated chip after fabrication, in the field, where system users create designs. The first programmable logic devices used very small fuses as the programming technology. Programming Technologies There are a number of programming technologies that have been used for reconfigurable architectures. Each of these technologies have different characteristics and have significant effect on the programmable architecture. Some of the well-known technologies are i.
CPLD and FPGA - Basic Concepts
UNIT III : CPLD & FPGA ARCHITECTURE & APPLICATIONS
Circuit diagrams were previously used to specify the configuration, as they were for ASICs, but this is increasingly rare. A Spartan FPGA from Xilinx FPGAs contain an array of programmable logic blocks , and a hierarchy of reconfigurable interconnects that allow the blocks to be "wired together", like many logic gates that can be inter-wired in different configurations. Logic blocks can be configured to perform complex combinational functions , or merely simple logic gates like AND and XOR. In most FPGAs, logic blocks also include memory elements, which may be simple flip-flops or more complete blocks of memory. Floor planning enables resources allocation within FPGAs to meet these time constraints. The ability to update the functionality after shipping, partial re-configuration of a portion of the design  and the low non-recurring engineering costs relative to an ASIC design notwithstanding the generally higher unit cost , offer advantages for many applications. Some FPGAs have analog features in addition to digital functions.
Totally practical in nature, the book features numerous quantify when known case study designs using a variety of Field Programmable Gate Array FPGA and Complex Programmable Logic Devices CPLD , for a range of applications from control and instrumentation to semiconductor automatic test equipment. Key features include: Case studies that provide a walk through of the design process, highlighting the trade-offs involved. Discussion of real world issues such as choice of device, pin-out, power supply, power supply decoupling, signal integrity- for embedding FPGAs within a PCB based design. With this book engineers will be able to: Use PLD technology to develop digital and mixed signal electronic systems Develop PLD based designs using both schematic capture and VHDL synthesis techniques Interface a PLD to digital and mixed-signal systems Undertake complete design exercises from design concept through to the build and test of PLD based electronic hardware This book will be ideal for electronic and computer engineering students taking a practical or Lab based course on digital systems development using PLDs and for engineers in industry looking for concrete advice on developing a digital system using a FPGA or CPLD as its core. Professional electronic engineers using PLDs to build digital systems.
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