Overview

  • Supports
    • MMC, SDC, SDHC card formats.
      • All available card formats are supported. From 8MB up to 32GB.
    • FAT12, FAT16 and FAT32.
    • Long file names.
    • SD, miniSD, and microSD form factors.
  • TTL serial host connection from 2400 → 460800 bps.
  • Up to 4 file handles open simultaneously for reading and/or writing.
  • Random reads/writes.
    • You can read from or write to anywhere in a file.
    • Seeking in a file allows for file pre-allocation, leading to faster write times.
  • File truncation.
  • Change file modification stamp.
  • Change file attributes.
  • Iterated file listings with wildcards.
    • You can iterate through a directory listing with wildcards.
  • Direct file copy.
    • Copy data from one file to another directly.
  • On-board Real-Time Clock (RTC).
    • Files created/modified have time stamps updated to current time.1)
  • Configuration on card.
    • Settings can be read from a configuration file on the card.2)
  • Chipset available for OEM integration. Single TQFP or QFN component.
  • -40°C to +85°C operating temperature range.
  • RoHS compliant.

1) Time must be set after power-up.
2) On power-up only.
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ummc/documentation/overview.txt · Last modified: 2009/11/04 16:56 by bhagman
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