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USB hub with SD card reading solution

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Update time : 2024-01-15 11:04:25
  USB hub with SD card controller, compliant with Universal Serial Bus Specification 2.0, is a high-performance solution for USB 2.0 high-speed 3-port hub.
usb hub
  2.1 USB 2.0 hub
  Compliant with USB specification revision 2.0
  The upstream port supports high-speed (480MHz) and full-speed (12MHz) communication
  Configurable 3/2 downstream ports support high speed, full speed and low speed
  Backwards compatible with USB specification version 1.1
  12Mhz oscillator clock input
  Integrated upstream 1.5KΩ pull-up and downstream 15KΩ pull-down resistors
  Single transaction converter (single TT)
  Joint power control and global overcurrent detection of downstream ports
  Low power consumption USB2.0 hub
  Integrated fast 8051 microprocessor
  Built-in 5V to 3.3V/1.2V regulator