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  CS835A
USB2.0 SD Card Reader


     

 

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    First Impression


The CS835A is a SD3.0 (UHS-I/SDR-50)/MMC Memory Card Reader working at USB2.0 5pin header port. It supports USB 2.0 high-speed transmission to Secure DigitalTM (SD), SDHC, miniSD, microSD (T-Flash), MultiMediaCardTM (MMC), RS-MMC, MMCmicro and MMCmobile on one Card Reader. It also supports huge density memory cards (up to 2TB), such as SDXC and Memory Stick XC. As a single chip solution for USB 2.0 flash card reader, the CS835A complies with Universal Serial Bus specification rev. 2.0, USB Storage Class specification ver.1.0, and SD/MMC card interface specification.

The CS835A integrates a high speed 8051 microprocessor and a high efficiency hardware engine for the best data transfer performance between USB and flash card interfaces. Use GL835 as the main chip IC.


        Specifications


  • USB specification compliance
    • Comply with 480Mbps Universal Serial Bus specification rev. 2.0
    • Comply with USB Storage Class specification rev. 1.0 : Standard Device Driver available.
  • 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
  • Standard Size SD Card Slot: Secure DigitalTM (SD) and MultiMediaCardTM (MMC)
    • Support SD specification v1.0 / v1.1 / v2.0/ SDHC (Up to 32GB)
    • Support SD specification v3.0 UHS-I: SDR25/SDR50
    • Support SDXC (Up to 2TB)
  • Provide Over-Current protection mechanism for safety power supply for SD card.  
  • On-Chip power MOSFETs for supplying flash media card power
  • Support Power Saving mode/ Selective suspend mode for better power management.

        Function


  • System Requirements
    USB 2.0 port
  • Dimension
    40mm X 40mm X 6mm (available at low profile height system)
  • Certifiction
    RoHS
  • Operating Temperature
    0 ~ 70℃


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CS835A
Unit price: USD 40.
CS835A PCBA
(USB2.0SD Card Reader) x1
Y05-U02-060
(USB Dupont 5PIN Cable) x1
   

 

 

 

 

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