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http://dx.doi.org/10.6109/jkiice.2021.25.2.301

Low-Power Metamorphic MCU using Partial Firmware Update Method for Irregular Target Systems Control  

Baek, Jongheon (Daegu Science High School)
Jung, Jiwoong (Daegu Science High School)
Kim, Minsung (Daegu Science High School)
Kwon, Jisu (School of Electronic and Electrical Engineering, Kyungpook National University)
Park, Daejin (School of Electronic and Electrical Engineering, Kyungpook National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.25, no.2, 2021 , pp. 301-307 More about this Journal
Abstract
In addition to the revival of the Internet of Things, embedded systems, which are at the core of the Internet of Things, require intelligent control as things change. Embedded systems, however, are heavily constrained by resources such as hardware, memory, time and power. When changes are needed to firmware in an embedded system, flash Memory must be initialized and the entire firmware must be uploaded again. Therefore, it is time- and energy-efficient in that areas that do not need to be modified must also be initialized and rewritten. In this paper, we propose how to upload firmware in installments to each sector of flash memory so that only firmware can be replace the firmware in the parts that need to be modified when the firmware needs to be modified. In this paper, the proposed method was evaluated using real target board, and as a result, the time was reduced by about half.
Keywords
Embedded system; Firmware update; Flash memory; Microcontroller;
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