Method and device for writing data in non-volatile memory
A non-volatile technology for writing data, which is applied in the field of smart cards, can solve the problems of reducing the service life of non-volatile memory, reducing the writing speed of non-volatile memory, and taking a long time, so as to improve the program running speed, The effect of reducing the number of writes and prolonging the service life
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[0032] The method and device for writing data to a non-volatile memory provided by the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.
[0033] When writing data to the non-volatile memory of the smart card, it is necessary to ensure the atomicity of the write operation, as well as the write speed and the number of writes to the non-volatile memory. To this end, the present invention provides a The method of writing data to non-volatile memory is to open up two buffers in RAM, which are divided into data buffer and backup buffer according to their functions. When writing data to non-volatile memory, write data to RAM first The data buffer in the data buffer, and then conditionally write the data in the data buffer to the non-volatile memory, such as figure 2 , Including the following steps:
[0034] Step S201, during the execution of the operation instruction, when it is determined to write data to the data area...
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