A readable-writable and programmable I/O interface controller/communication controller

A technology of interface controller and communication controller, which is applied in the direction of data exchange through path configuration, digital transmission system, electrical components, etc., and can solve the problems of unsatisfactory versatility

Inactive Publication Date: 2007-05-16
贵州以太科技信息产业有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not ideal enough in terms of versatility

Method used

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  • A readable-writable and programmable I/O interface controller/communication controller
  • A readable-writable and programmable I/O interface controller/communication controller
  • A readable-writable and programmable I/O interface controller/communication controller

Examples

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Embodiment Construction

[0014] Example. As shown in Figure 1, the composition of the readable and writable programmable I / O interface controller / communication controller includes a communication component, a data buffer processing unit 1, an interface controller, programmable I / O and EEPROM; the communication component includes a bus part and the communication logic control part; the composition of the bus part includes the bus terminal serial asynchronous transceiver unit and the data buffer processing unit 2 connected with it; the communication logic control part includes the communication control unit, error counting and error processing circuit, carrier sense multiple access Access violation monitoring circuit. As shown in accompanying drawing 2, the composition of bus end serial asynchronous transceiver unit comprises bus end serial asynchronous transceiver, the parallel-serial conversion circuit and serial-parallel conversion circuit connected with it; The formation of data buffer processing un...

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Abstract

The read-write programmable I/O communication controller comprises: a communication assembly with a bus and logic control part included a communication control unit and an error counting and processing circuit, a data buffer process unit 1, an interface controller, a programmable I/O, and an EEPROM. Wherein, the bus contains a serial asynchronous transmitting-receiving unit and a connected data buffer process unit 2. This invention is convenient, reduces control cost, improves communication reliability, and has wide application.

Description

technical field [0001] The invention relates to a control device for controlling a network, in particular to a control device with interface and communication functions for controlling a network. Background technique [0002] In the past, the multi-address communication between single-chip microcomputer and single-chip microcomputer, or single-chip microcomputer and PC personal computer generally used parallel interface to carry out serial bus communication. The bus communication controllers (also known as bus communication control chips) used in communication are basically designed according to the working mode of synchronous communication, and are mostly used in industry. This parallel interface bus communication controller has the characteristics of fast data transmission speed, strong anti-interference ability, strong fault tolerance function, high reliability, and can work in harsh environments. However, the production cost of this bus communication controller is relat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/56H04L29/02
Inventor 刘叶冰李筑谢后贤杨为民张琦黄锋
Owner 贵州以太科技信息产业有限责任公司
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