System and method for implementing mobile communication apparatus close-down by pulse counting
A technology of mobile communication equipment and pulse counting, which is applied in the direction of telephone communication, branch office equipment, electrical components, etc., and can solve problems such as the failure of the system to start normally, the normal shutdown, and the abnormal shutdown of the system
Inactive Publication Date: 2011-06-29
HUANDA COMPUTER (SHANGHAI) CO LTD
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Problems solved by technology
Therefore, in the uncontrollable state before the CPU loads the driver program, it is very likely that the CPLD will make a misjudgment, causing the system to fail to start or shut down normally.
[0004] Therefore, it is necessary to provide a system and method for shutting down mobile communication equipment, which can avoid abnormal shutdown of the system caused by CPLD misjudgment
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[0023] Fig. 1 is a system architecture diagram of the present invention, and this system comprises user operation module 10, central processing module 20, CPLD power supply control module 30 and main power supply module 40, and described user operation module 10 is used for providing an operation interface to the user, the user A shutdown command can be issued through the user operation module 10, which is connected to the central processing module 20;
[0024] And a grounding resistor R1 is connected between the user operation module 10 and the central processing module 20. The central processing module 20 is used to receive and process the instructions issued by the user. After receiving the shutdown instruction issued by the user operation module 10, it will continue to generate a regular pulse , and send the regular pulse to a CPLD power control module 30, the CPLD power control module 30 is used to control the system power supply, and the CPLD power control module 30 also ...
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A system using pulse counting for realizing the shutdown of mobile communication equipment is provided. Users send out a shutdown instruction to a central processing module through an operation module. After receiving the shutdown instruction, the central processing module continuously produces a regular pulse to a CPLD power control module which counts the regular pulse. When the CPLD power control module counts to a certain number of continuous pulses and the system is in the power condition, the CPLD power control module sends out a shutdown instruction to a main power module which stops supplying power to the system. The system using the pulse counting for realizing the shutdown of the mobile communication equipment can filter out uncontrollable conditions which are sent out by a CPU to avoid the wrong judgments of CPLD so as to realize the stable shutdown function of software.
Description
【Technical field】 [0001] The invention relates to a system and a method for shutting down a mobile communication device, in particular to a system and a method for realizing the shutdown of a mobile communication device by counting pulses. 【Background technique】 [0002] PDA is the abbreviation of Personal Digital Assistant, which literally means "personal digital assistant". This handheld device integrates computing, telephony, fax, and networking functions. It can not only be used to manage personal information (such as address book, plans, etc.), but more importantly, it can browse the Internet, send and receive emails, send faxes, and even be used as a mobile phone. Most importantly, these functions can be realized wirelessly. It can be foreseen that the trend and trend of personal digital assistant development is the integration of computing, communication, network, storage, entertainment, e-commerce and other functions, and will eventually become the mobile fashion d...
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IPC IPC(8): H04M1/725H04M1/72466H04M1/72469
Inventor 袁石牛
Owner HUANDA COMPUTER (SHANGHAI) CO LTD