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Windows CE-based handheld terminal

A handheld terminal and terminal system technology, applied in instruments, computers, computing, etc., can solve the problems of poor confidentiality and high price of handheld terminals.

Inactive Publication Date: 2011-08-24
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of high price and poor confidentiality of existing handheld terminals, the present invention provides a simple-structured, economical and practical Windows CE-based handheld terminal

Method used

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  • Windows CE-based handheld terminal
  • Windows CE-based handheld terminal
  • Windows CE-based handheld terminal

Examples

Experimental program
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Embodiment Construction

[0015] (1) Develop the hardware platform of the handheld terminal

[0016] The design of the handheld terminal is firstly the choice of the embedded processor. The ARM9S3C2440 chip is selected because it has extremely high performance and low power consumption. In addition, it can be expanded according to market demand, which is also an important factor for selection. The S3C2440 chip is a RISC processor with high performance, low price, and low power consumption. The handheld terminal using this chip has smaller volume, longer battery life, faster processing speed, and greatly improved system performance. The system hardware structure of the handheld terminal of the present invention is as image 3 .

[0017] CPU processor: Samsung S3C2440A, main frequency 400MHz, maximum 533MHz; 2 pieces of 32M SDRAM, SDRAM system code running place, which is characterized by data loss after power failure; 128M NAND FLASH, used to store embedded operating system and The user program is cha...

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Abstract

The invention discloses a Windows CE-based handheld terminal. The handheld terminal comprises an embedded processor, a central processing unit (CPU) processor, a joint test action group (JTAG) protocol interface, a network interface and a universal asynchronous receiver transmitter (UART) data bus, wherein the CPU processor, the JTAG protocol interface, the network interface and the UART data bus are all connected with the embedded processor; the embedded processor is selected from an ARM9S3C2440 chip, the CPU processor is Samsung S3C2440A, and a chip adopted by the network interface is DM9000; and an embedded Windows CE operating system is used as a platform of a terminal system operating program. In the design of the handheld terminal, various hardware and software resources are comparatively selected according to the function requirement by combining the technical characteristics of hardware and software on the premise of ensuring the functions and the stability of a system; and the handheld terminal has simple structure and is economic and practical.

Description

technical field [0001] The invention relates to an embedded handheld terminal system based on S3C2440 and Windows CE. Background technique [0002] A handheld terminal refers to a portable data processing terminal with data storage and computing capabilities, secondary development, data communication with other devices, and a human-machine interface. Specifically, it has display and input functions and battery power supply characteristics. Common handheld terminals include PDAs, smart phones, barcode data collectors, and handheld IC card data terminals. [0003] With the gradual improvement of informatization and electronicization of modern warfare, hand-held smart devices with various functions and exquisite practicality are increasingly valued by various countries. Due to the rapid development of high-performance embedded processors and operating systems, handheld terminals have developed rapidly. Some foreign countries have already carried out research and development o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/16G06F15/00
Inventor 尹立新张堃刘福军王新陈鹤
Owner SHANDONG UNIV
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