Time division multiplexing management and file reading-writing method for solid state memory of small satellite
A solid-state memory and time-division multiplexing technology, which is applied in the fields of instruments, electrical digital data processing, and data processing input/output processes, etc. It can solve the problem of difficulty in software design while recording multiple files, and simplify address resources. Manage and use complexity, simplify structural design, use multiple and flexible effects
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[0022] Such as figure 2 As shown, the solid-state memory structure is the same as figure 1 Compared with the "3BANK" structural design shown, the storage array is integrated as a whole, no longer dependent on the serial work of the three BANK sub-arrays, and the independent data bus for recording data and playback data is controlled by a DMA controller Data bus replacement, that is, the entire storage array physically has only one unique data bus corresponding to the input data cache and output data cache, and the DMA controller time-division multiplexing schedules read and write operations to occupy data no matter in recording or playback bus time. When the solid-state memory performs data recording, that is, the internal solid-state memory performs a write operation, the DMA controller allocates the time occupied by the data bus to the write operation, and this time is called the write time; when the solid-state memory performs data playback, that is, the internal solid-st...
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