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MCU processing system

A technology of processing system and data storage, applied in the field of electronics, can solve problems such as efficiency to be improved, and achieve the effect of improving efficiency

Active Publication Date: 2018-03-27
SHANGHAI CHIPON MICRO ELECTRONICS CO LTD
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Problems solved by technology

[0003] The efficiency of the existing MCU processing system to operate the data in the data memory needs to be improved

Method used

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  • MCU processing system

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Embodiment Construction

[0020] As mentioned above, the efficiency of the existing MCU processing system to operate the data in the data memory needs to be improved.

[0021] The inventors have found that in the existing MCU processing system, the data in the data memory cannot be directly calculated and operated, and when the data in the data memory is calculated and operated, it needs to be realized through multiple instructions, which is inefficient. For example, when adding data in the data register, it is necessary to read the data in the data memory to the register bank first, and then use the data stored in the register bank to perform the addition operation, and there are many operation steps.

[0022] In the embodiment of the present invention, the MCU processing system includes a data memory, an ALU operation unit, a data selector and an address selector. Wherein, the address selector is connected to the data memory, the data memory is connected to the data selector through the data bus, and...

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Abstract

The invention provides an MCU processing system. The system comprises a data memory, an ALU calculation unit, a data selector and an address selector, wherein the address selector is connected to thedata memory; the data memory is connected to the data selector through a data bus; and the data selector is connected with the input end of the ALU calculation unit. The MCU processing system is higher in efficiency.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to an MCU processing system. Background technique [0002] Microcontroller Unit (MCU), also known as Single Chip Microcomputer (Single Chip Microcomputer) or single-chip microcomputer, is a kind of CPU (Central Process Unit, CPU) frequency and specification can be properly reduced, and can memory (memory), counter (Timer), USB, A / D conversion, UART, PLC, DMA and other peripheral interfaces, and even external circuits such as LCD drive circuits can be integrated on a single chip to form a chip-level computer. Application occasions do different combination control. Such as mobile phones, PC peripherals, remote controls, automotive electronics, industrial stepping motors, control of robotic arms, etc., can all be seen in the MCU. [0003] The efficiency of the existing MCU processing system to operate the data in the data memory needs to be improved. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/22G06F9/26G06F9/28
CPCG06F9/223G06F9/261G06F9/28
Inventor 丁晓兵朱少华成学斌
Owner SHANGHAI CHIPON MICRO ELECTRONICS CO LTD
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