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DOSonCHIP FAT16 FAT32 micro-SD Module

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DOSonCHIP FAT16 FAT32 micro-SD Module


This is a ready to go module that utilizes the DOSonCHIP FAT16/32 IC with accompanying micro-SD socket. Excellent evaluation board for the DOSonCHIP silicon or for simple datalogging and file storage! Uses a simple UART or SPI interface. Datalogging is now as easy as sending 'md CHAT' to make a directory! Low 5mA current consumption.

If hardware flow control is not needed, tie CTS to ground.

microSD card sold separately below.


  • 8 x 0.1x0.8" pin centers can be used as DIP module or as vertical board
  • Integrated real-time clock (time & date)
    • High quality 32.768KHz watch crystal
  • Low power consumption
    • 2.7V to 3.3V operation
    • 5V tolerant I/O
    • Active current 5mA @ 3.3V (typical)
    • Shutdown current < 0.1uA
  • Host Interface
    • UART with autobaud detection
    • SPI bus
  • File System
    • FAT32 & FAT16 compatible
    • 4 simultaneous files open
    • Terse command set for data traffic reduction
Dimension: 1x1.45"

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Memory usage: real: 34865152, emalloc: 31326108
Code ProfilerTimeCntEmallocRealMem