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PL2731   USB 3.0 Single-LUN Mass Storage Card Reader

The PL2731 is a SuperSpeed USB to Single LUN SD/MMC card reader. It supports USB Mass Storage Class Bulk Only Transfer specification to access Secure Digital card up to SD3.0 UHS-I SDR104. The PL2731 integrates USB transceiver, LDO regulator for SD card power, SD UHS-I IO interface regulator, logic core and GPIO to achieve a very low BOM cost. The controller supports optional SPI flash interface for system firmware.

  • SuperSpeed USB 3.0 Storage Controller Solution
  • Support SuperSpeed, Hi-Speed, and Full-speed USB operations
  • Support USB Mass Storage Class Bulk-Only Transport Specification
  • Supports Secure DigitalTM card (SDSC, SDHC, SDXC, up to v3.01 UHS-I SDR104) and MultiMediaCardTM (MMC) up to v4.2
  • Optional SPI interface for system firmware
  • Built-in 3.3V/1.8V/1.2V LDO regulators to achieve very low BOM cost.

  • Package Type : QFN32 (5mmx5mm)
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