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Program memory for DC charging pile microcontrollers: Solid building blocks for firmware
In the intelligent process of DC charging pile, the program memory of microcontroller is an indispensable part. It provides a solid storage base for the firmware of the charging pile, ensuring the precise execution and reliability of the charging operation.
Main component
Concept:
Program memory, usually refers to the non-volatile memory inside the microcontroller used to store firmware code. This memory allows the microcontroller to retain its firmware code after a power outage, ensuring that it can recover and execute the scheduled program every time it starts up. In the DC charging pile, the program memory is generally Flash memory, which provides the necessary storage space to save the control algorithm, system configuration and startup code.
Function:
1. Firmware storage: Program memory is used to store the firmware of the microcontroller, which is the basis of the operation of the charging pile, including startup procedures, control logic and security protocols.
2. Parameter saving: It is also used to save system parameters and configuration Settings, which may need to be adjusted throughout the life of the charging pile, but once set, they need to be permanently saved.
3. Security protection: Some program memory supports password protection function, which prevents unauthorized access and tampering with firmware through 128-bit password, enhancing the security of the system.
4. System recovery: When the system fails or needs to be updated, the program memory can be used as the basis point of system recovery to ensure that the charging pile can be recovered from the wrong state.
Working Principle:
1. Write and erase: program memory allows data to be written and erased through a specific programming interface. During the production and maintenance of the charging pile, the firmware can be written or updated through these interfaces.
2. Execution and call: The microcontroller reads the firmware from the program memory at startup and loads it into RAM for execution. During operation, the microcontroller performs corresponding control tasks according to the instructions in the program memory.
3. Data retention: Even in the case of power failure, the program memory can keep the data in it without loss, ensuring that the charging pile can continue to perform the task before the interruption when the next power on.
4. Protection mechanism: Some program memory has a protection mechanism, such as setting a specific protection area to prevent the firmware from being unauthorized access or modification, so as to protect the firmware security of the charging pile.
Sum up
The program memory of DC charging pile microcontroller is one of the key technologies to ensure the intelligence and automation of charging pile. It stores and manages the core firmware of charging pile in a stable and reliable way, which provides a solid foundation for efficient and safe charging process.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
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