Data processing master control equipment, secondary equipment, system and method
A main control equipment and data processing technology, which is applied in the direction of electrical digital data processing, record carriers used by machines, instruments, etc., can solve the problem that the capacity, speed and function of the data processing system have not been truly improved, and the data processing system cannot solve the problem of data processing. Crowding problems, inability to operate, etc.
Inactive Publication Date: 2009-06-10
POTEVIO INFORMATION TECH CO LTD
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Problems solved by technology
[0019] The development trend of slave devices is nothing more than large capacity, high speed and multi-function. When the existing data processing system is connected with at least one slave device, the master device can only operate one slave device in the same clock cycle. A multi-functional slave device can only use one of its functions in the same clock cycle. Therefore, the existing data processing system cannot solve the problem of data crowding when multiple targets occupy the data bus, and cannot operate at least one slave device at the same time. While the capacity, speed and function of the slave device are expanded, the capacity, speed and function of the data processing system have not been really improved
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[0126] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0127] In the field of communication, time division multiple access is a very common and mature communication method. The master clock used for transmission is the data carrier. In the repeated transmission frame structure, the master clock is encapsulated into time slots, and each or several time slots correspond to one data transmission. In this way, one physical line can transmit multiple pairs of data communication streams. Therefore, the problem of mutual data crowding when multiple targets occupy the same line is solved.
[0128] The main idea of the present invention is to refer to the time division multiple access technology in the communication system to the data processing system, add a clock signal line in the data processing system as the ...
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The present invention discloses a master control device and a slave device for data processing, as well as a corresponding data processing system and data processing method. In the technical proposal disclosed by the present invention, firstly, voltage recognition and authentication are carried out to a slave device hitched on a master control device through the master control device, so as to acquire the information of the slave device; secondly, the master control device distributes bus resources according to the information of the slave device, configures the slave device according to the distribution results of the bus resources, and determines the working frequency of slave clock signals as well as the time slot quantity included in each frame; finally, the master control device sends out the slave clock signals according to the working frequency of the slave clock signals, and carries out data or information interaction with the slave device. The application of the present invention can realize the simultaneous operation of the master control device to at least one slave device in a data processing system, which improves the capacity, speed and function of the data processing system.
Description
technical field [0001] The invention relates to mobile data processing technology, in particular to a data processing master control device, a slave device, a system and a method. Background technique [0002] A data processing system usually consists of a master device, an interface bus between the master device and the slave device, at least one slave device connected to the bus that supports the bus interface protocol, and a power supply device. Wherein, the master control device may be digital products such as digital camera, computer, portable multimedia player, stereo, mobile phone, etc., and the slave device may include various data storage cards and input / output (I / O) devices. [0003] In the prior art, the communication interface protocols between the master device and the slave device mainly include the following types: [0004] The first is the NAND FLASH protocol, which is based on the NAND FLASH interface and uses the command, address and data to use the bus in...
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IPC IPC(8): G06F13/16G06F13/42G06K19/077G06K19/073
Inventor 姚彬王涛李力争彭诚
Owner POTEVIO INFORMATION TECH CO LTD