A Data Storage System Based on Error Correction Coding
A data storage system, error correction coding technology, applied in the direction of electrical digital data processing, response error generation, error detection/correction, etc., can solve the problem of unavailable navigation parameters, etc., to reduce the difficulty of implementation, improve reliability, The effect of improving the error correction rate
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[0021] combine figure 1 , the first embodiment will be described.
[0022] The selected storage carrier is E2PROM with 16bit data bit width. The error correction unit is designed as a double byte (16bit), which is consistent with the E2PROM data bit width. figure 1 The smallest rectangular grid in is the error correction unit.
[0023] One byte (8bit) of the data to be stored corresponds to one error correction unit (16bit), and the storage capacity of the E2PROM is determined according to this relationship in combination with the requirements of data backup. The number of bytes of data to be stored (including check value) is x Byte. If double data backup is required, the storage capacity of E2PROM should be at least 2x×16bit, and the two data areas are figure 1 The "data backup area 1" and "data backup area 2" shown in.
[0024] Classify the data to be stored according to the functional characteristics of user data. Each type of data is planned as a verification unit, eac...
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