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Firmware boot implementation method based on flash chip simulation connected to a master microcontroller unit (MCU) and slave MCU
Firmware boot implementation method based on flash chip simulation connected to a master microcontroller unit (MCU) and slave MCU
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机译:基于闪存芯片仿真的固件引导实现方法连接到主微控制器单元(MCU)和Slave MCU
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摘要
The embodiments of the present disclosure disclose a firmware boot implementation method based on Flash chip simulation, the method comprising: when there are at least two MCUs, one of the MCUs is selected as a master MCU and each remaining MCU is as slave MCU which is connected with the master MCU respectively, and the master MCU is connected with a Flash chip; when the master MCU is started, the master MCU is started by reading firmware data in the Flash chip; when the slave MCU is started, the master MCU controls the slave MCU to be powered on, and the slave MCU sends a request for reading the firmware data to the master MCU; the master MCU transmits the request to the Flash chip, and transmits the firmware data returned by the Flash chip to the slave MCU, so as to start the slave MCU.
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