Program burning method, processor and electronic circuit
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An electronic circuit and processor technology, applied in the electronic field, can solve problems such as inability to program, limit application scenarios, and complicate programming software, and achieve the effect of convenient program programming and wide application scenarios
Inactive Publication Date: 2016-06-15
BEIJING TECHSHINO TECH
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Problems solved by technology
[0004] First, it cannot be separated from the PC, and the application scenarios are limited; in some occasions where there is no or cannot use a PC, the program cannot be programmed;
[0005] Second, some programming software is very complicated and requires multiple settings, and the programming procedure is cumbersome
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[0027] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0028] This embodiment provides a programming method for electronic circuits, such as figure 2 As shown, the electronic circuit includes a processor 11, Flash12 and a memory interface 14 for connecting to an external memory 13, the processor 11 has an internal ROM15 and an internal RAM16, and the Flash12 and the memory interface 14 are connected to the processor 11, such as image 3 As shown, the methods include:
[0029] Step S101: Confirm that the startup method is startup from the external memory 13;
[0030] In this step, the processor 11 judges the starting mode of the processor 11 in advance, wherein the starting mode can include starting from the internal ROM15 of the processor 11, starting from the Flash12 or starting from the memory, and when ...
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Abstract
The invention discloses a program burning method, a processor and an electronic circuit and belongs to the technical field of electronics. The program burning method comprises the steps that a starting mode is confirmed to be external storage starting; a burning program which is stored in an external storage in advance is read to an internal RAM; the burning program is operated, and an application program which is stored in the external storage in advance is burnt to Flash. According to the program burning method, the processor and the electronic circuit, the working process of operating the burning program is added, the burning program is stored in the external storage firstly so that the processor can read the burning program while power is on, and the application program is burnt to the Flash after the burning process is started and stored permanently. Compared with the prior art, the program burning method has the advantages that the program burning method can be independent from a PC and is wide in application prospect, convenient, rapid and simple.
Description
technical field [0001] The invention relates to the field of electronic technology, in particular to a method for programming a program, a processor and an electronic circuit. Background technique [0002] In the design of existing circuit systems, CPU, MCU, DSP, FPGA, CPLD, etc. are very commonly used main processors, and in these main processors, in addition to the central processing unit core, many commonly used processing Components, which may include RAM, ROM, different processor cores, various analog units, and so on. These main processors are just hardware and require programs to run which are stored in component ROM. For the existing embedded system, because its programs are relatively large, ranging from tens of megabytes to hundreds of megabytes, it has far exceeded the ROM storage space of the internal components of the main processor, so the current mid-to-high-end main processor is When designing, it supports booting from off-chip memory, such as Flash, SD car...
Claims
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Application Information
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