microSD Card is used very extensively as storage device of Mobile phone, PDA, portable game player and a computer etc.
Protectingthechip
Easyhandlingfortheenduser Reliableelectricalinterconnection Bearingtextualinformationandimage
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High Capacity microSD Memory Card (SDXC): More than 2GB and up to and including32GB
High Voltage microSD Memory Card – Operation voltage range: 2.7-3.6V Designed for read-only and read/write cards.
Bus Speed Mode (Using 4 parallel data lines)
Default Speed mode: 3.3V signaling, Frequency up to 25 MHz, up to 12.5 MB/sec High Speed mode: 3.3V signaling, Frequency up to 50 MHz, up to 25 MB/sec SDR12: 1.8V signaling, Frequency up to 25 MHz, up to 12.5MB/sec
SDR25: 1.8V signaling, Frequency up to 50 MHz, up to 25MB/sec
Switch function command supports Bus speed mode, Command System, Drive Strength, and future functions
Correction of memory field errors
Card removal during read operation will never harm the content
Contents Protection Mechanism – Complies with highest security of SDMI standard
Password Protection of cards (CMD42 - LOCK_UNLOCK) Write Protect feature using mechanical switch
Built-in write protection features (permanent and temporary)
Card Detection (Insertion/Removal)
Application specific commands
Comfortable erase mechanism.
Protocol attributes of the communication channel
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