Electronic device, format discrimination system, and format discrimination method

Abstract

To provide an electronic device for checking the logical format specifications of a recording medium by a nonvolatile semiconductor memory such as a flash EEPROM, and for warning a device user that the format specifications of a memory card do not consider the block constitution of the flash memory. [Means for Solving the Problems] The electronic device comprises a socket (2) for mounting a memory card (1), an I / F unit (3) for reading data from the memory card (1) mounted in the socket (2), a detector (4) for detecting a difference between the position of the boundary of blocks and the position of the boundary of clusters on the basis of the data of the memory card (1) read by the I / F unit (3), an information presenter (6) for displaying or informing information in accordance with the detection result by the detector (4), and a controller (5) for controlling the read of the data from the memory card (1) by the I / F unit (3) and for transmitting the detection result by the detector (4) to the information presenter (6).

Description

technical field [0001] The present invention relates to an electronic device for detecting the logical format specification of a recording medium by using a nonvolatile semiconductor memory such as a flash EEPROM, a format discrimination system and a format discrimination method. Background technique [0002] In recent years, the applicability of electronic devices for recording various data such as text data, video data, and audio data created and edited on a personal computer (hereinafter, referred to as PC), provided with a flash memory ( Video data such as moving images and still images and audio data recorded by a digital still camera in a memory card of Flash EEPROM). The flash memory is a block erasable type nonvolatile recording medium including a plurality of blocks, and can electrically erasable data recorded inside only each block. Regarding such electronic equipment, it is proposed to record data in flash memory in the same format specification as that of a data...

AI Technical Summary

Problems solved by technology

This reduction can be controlled because when it is assumed that the format specification for a particular cluster corresponding to a number of blocks is adopted, when updating data in said cluster corresponding to the associated number of blocks, the data must be erased, the block erased and the execution other processing, so its reduced recording speed

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