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EDA/PLD Articles


101: Fixed geometry of the FFT algorithm and its FPGA realization of
1. Introduction DFT and its fast algorithm FFT signal processing is an integral part of the core. FFT algorithm for a variety of different data sets according to the general time-domain and frequency domain, according to data of different samples c...

102: PLD to increase in the development of a comprehensive quality of VHDL
Introduction With the computer and microelectronics technology, electronic design automation EDA (Electronic Design Automation) and programmable logic device PLD (Programmable Logic Device) are very rapid development, skilled use of EDA software de...

103: FPGA-based multi-channel analog, digital acquisition and processing system
In electrical measurement and control systems, often need to collect a variety of analog signals, digital signals, and deal with them accordingly. Under normal circumstances, measurement and control system with common MCU (such as 51,196 or control,...

104: Manchester CPLD control with codec
Introduction Logging in the oil field, the downhole instrument collected a large amount of information in the mine and sent to ground-based logging systems; downhole instrument to the ground but this channel transmission performance is not good, of...

105: Using FPGA to achieve high-precision long-distance data transmission
1 Significance Simple multi-machine data communications between the design of our very common, under normal circumstances the data transmission distance is very short, no more thanm, therefore only increase the use of twisted-pair standard RS232 or...

106: FPGA-based bus-based communication system design LVDS
Low Voltage Differential Signaling LVDS (Low Voltage Differential Signal) is defined by the ANSI/TIA/EIA-644-1995 high-speed data transmission for the physical layer interface standard. It has ultra-high-speed (1.4Gb / s), low power consumption and ...

107: CPLD to read and write with the realization of single-chip module
1 Overview CPLD (complex programmable logic circuit) is a wealth of programmable I / O pin of programmable logic devices, with in-system programmable, easy-to-use features and flexible; not only the logic of conventional devices function, but also ...

108: HDL Hardware Description Language of the Present Situation and Development
Introduction HDL Hardware Description Language is a formal method used to describe digital circuits and system language. The use of such language, digital circuit design to lower from the upper (from the abstract to the concrete) layer by layer des...

109: Zero-power ultra-fast CPLD device and its application ispMACH4000Z
Programmable logic device (PLD, Programmable Logic Device) has been the flexibility of the popular electronic engineers, but in a variety of portable consumer electronics market is still the world is ASIC chip. There are several reasons to impede th...

110: Based on CPLD / FPGA in the design of half-integer divider
1 Introduction CPLD (Complex programmable Logic Device, complex programmable logic device) and FPGA (Field programmable Gates Array, Field Programmable Gate Array) are programmable logic devices, which are in PAL, GAL and other logic devices develo...

111: 3-DES algorithm to achieve high-speed FPGA
Introduction From a technical point of view, apart from relying on the security network security network communication protocol and application protocol, the more dependent on network equipment such as switches, routers, such as provided by encrypt...

112: Asynchronous FIFO Structure and FPGA design
1 Introduction Asynchronous FIFO In modern integrated circuit chip, with the design of the expansion, a system often contains a number of the clock. Brought about by multi-clock domain is a problem, how to design the interface between the asynchron...

113: VHDL dynamic conditions in the Loop can be integrated into
Introduction VHDL is a hardware description language, in 1983 by IEEE to develop international standards for IEEE1076. In recent years the introduction of domestic and publishing a lot of material to be rapidly expanded in China. Since the initial ...

114: In-system programmable analog devices and their applications ispPAC10
1. INTRODUCTION End of the 20th century, Lattice introduced in-system programmable analog devices (ispPAC - In-System Programmability Programmable Analog Circuits), will be in-system programmable analog circuit technology into applications. Logic f...

115: XC9572 with HDB3 codec designed to achieve
Introduction 1 XC9572 devices XC9572 is a XILINX produced high-performance programmable logic device。 36V18 It contains four functional blocks, and can be used with the 1600 system gates。 its system architecture as shown in Figure 1&#...

116: Measurement and control system used in the IP core to achieve D / A converter
In all types of electronic systems, the proportion of digital circuits is growing. This was mainly due to digital circuit analog circuit in relation to some prominent advantages, such as: * The number of active circuit devices in the saturation zon...

117: Programmable logic controller in the set-top box application
Overview of set-top box market Set-top box market is experiencing an unprecedented rapid growth is expected in 2002 will have an annual demand of millions of magnitude increase. Network set-top boxes based on the current market, there are three ma...

118: SoC with video graphics engine function
Altera's SOPC-based system-on-chip XA10, the realization of graphics engine function; the use of SoC design platform in order to achieve rapid access to the field of SoC design purposes; want to start from the user point of view, the gradual dee...

119: FPGA configuration used to achieve PowerPC860
1 Overview MPC860 is a PowerPC architecture-based communications controller. It is not only the integration of microprocessors, but also a lot of peripherals are also integrated with the functions. MPC860 has a storage controller, the memory contro...

120: CPLD under management in high-performance multi-serial port interrupt source
In recent years, with the post-PC era, with a simple, efficient features such as embedded systems development has been rapid. Embedded technology development of computer technology has a variety of multi-level, multi-faceted cross-together. Embedded...


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