51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Sunday, December 7th, 2008 at 04:09 | No comments

Categories: Communication Networks

Tags: correspondence connection, Monolithic integrated circuit, PROFIBUS-DP

Short Content: Abstract: Elaborated one kind of PROFIBUS-DP from the station development program, has the PROFIBUS-DP correspondence function product user for the independent development, provides PROFIBUS-DP by the OEM way from the station correspondence connection.Key word: Field bus; PROFIBUS-DP; From station; Correspondence connection 　　Introduction 　　At present domestic to the automated product (electric appliance, measuring appliance, drive and so on) sets the PROFIBUS correspondence function request, important source in: (1) overseas production equipment and the technical introduction, specially the complete set of equipment ...

Sunday, September 21st, 2008 at 05:04 | No comments

Categories: SCM

Tags: AT89C52, Controls table, correspondence connection, RS-485, warm the

Short Content: Introduction　　　　　Controls the table widely to apply in the industrial control and so on many domains, this article introduces has the computer communication function intelligence warm to control the table is one kind of novel Process Automation Instrumentation warm, it take monolithic integrated circuit AT89C52 as the core, uses the voltage/frequency transformation technology and RS-485 correspondence connection chip MAX487, has the measuring accuracy to be high, the reliability is good, the resistance to interference strong, may realize merits and so on ...

Saturday, August 16th, 2008 at 09:35 | No comments

Categories: DSP

Tags: correspondence connection, DSP, EP1K50, FPGA, HPI main line, PC104, TMS320C5000, VHDL

Short Content: The abstract through to TI Corporation TMS320C5000 series DSP the HPI main line and the PC104 main line succession's analysis, take the VHDL language as a tool, uses Altera FPGA chip EP1K50, the design completes the PCI04 main line and DSP between the HPI main line's correspondence connection, and in one section take TMS320VC5409DSP as the data acquisition processor, grinds the Chinese embedded labor to control motherboard PCM-5825 is embedded data acquisition system Shanghai which the system board composed obtained ...