Home > Product > SD,SDIO,Micro SD,SDXC,CFast Card Reader > UC23F3A
microSD Card Reader



Brief Taiwan 1 Taiwan 2  



  • USB specification compliance
    • Comply with 480Mbps Universal Serial Bus specification rev. 2.0
    • Comply with USB Storage Class specification rev. 1.0
    • Support one device address and up to four endpoints:
      Control (0)/ Bulk Read (1)/ Bulk Write (2)
  • Integrated USB building blocks
    • USB2.0 transceiver macro (PHY), USB controller, Build-in power-on reset (POR)
  • Embedded 8051 micro-controller
    • Embedded mask ROM and internal SRAM
  • Secure DigitalTM (SD)
    • Support SD specification v1.0 / v1.1 / v2.0/ SDHC (Up to 32GB)
    • Support SD specification v3.0 UHS-I: SDR25/SDR50
    • Support 1.8V/3.3V switch signal pads
    • Support micro SDXC (Up to 2TB)


  • On chip clock source (OCCS) to eliminate the use of one 12MHz crystal from board
  • Support 3.3V power input
  • On-Chip 3.3V to 1.8V regulators
  • Provide Over-Current protection mechanism for safety power supply
  • On-Chip power MOSFETs for supplying flash media card power
  • Support Power Saving mode/ Selective suspend driver for better power management.
  • Support Spread Spectrum Clock enabled by vendor driver for SD to reduce EMI effect
  • Support Remote Wakeup by default
  • Support SD CPRM
  • Support Intel Power Optimizer
  • Support Microsoft InstantGo
  • Support RTD3



Unit price: USD 70.
(microSD Card Reader) x1


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