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The Research of the Connection Technology between Ethernet and LAN Based on the CAN Bus
Author: SongXueLiang
Tutor: ZhuQiDan
School: Harbin Engineering University
Course: Pattern Recognition and Intelligent Systems
Keywords: CAN bus SCM Ethernet RTL8019AS TCP (UDP) / IP protocol
CLC: TP273.5
Type: Master's thesis
Year: 2005
Downloads: 399
Quote: 4
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Abstract
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Microcontroller or microcontroller (MCU), has been widely used in various fields of domestic and industrial . At this stage most of the 8-bit microcontroller as the core of the system is basically in a separate operational phase, even if the network only through the fieldbus is connected to a PC . At the same time the Internet has now become an important basis for one of the messaging facility , an important channel for the flow of information . Embedded systems can be connected directly to the Internet above , you can easily and cheaply transfer the information to almost any place in the world . The direction of the research is the use of the 89S52 MCU CAN bus - based LAN and Ethernet connectivity . The main content of the subject of two parts : hardware and software design . The hardware design through the principle of Ethernet network controller chip (RTL8019AS) and CAN controller chip (SJA1000) analysis , and characteristics of the 89S52 microcontroller , select the appropriate connection to draw schematics . The software designed by the analysis of the TCP / IP protocol , using the C51 language preparation protocol layer protocol , at the same time PC monitoring program to observe the results . The CAN bus LAN and Ethernet connectivity is based on the CAN bus node transmits data using the TCP / IP protocol format package , and vice versa .
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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system > Computer control, computer control system
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