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USB Bridges

Microchip's Bridge family of products combines an ultra-fast interface between a USB host and today's most popular Flash media card formats including xD-Picture Card™ (xD), Memory Stick ® (MS), Secure Digital (SD) and MultiMediaCard™ (MMC) within a versatile, cost-effective and power-efficient multi-port Hi-Speed USB 2.0 hub controller. In addition, this family of products support the Hi-Speed Inter-Chip (HSIC) based USB 2.0 hub controller for applications that demand low power, small footprint and a reduced BOM without compromising performance or features.

Flash Media Card Readers



  • Ultra-fast Flash media reader/writer for external memory card storage or embedded Flash memory
  • Supports SD, MMC/eMMC, MS / MS-Pro / MS-Pro-HG, xD interfaces
  • Integrated USB 2.0 Hub combo devices

USB to UART/SPI Bridge



  • Class 02h – USB to UART comm and I/O control
  • Class 03h – HID: I/O Control, EEPROM access
  • Fully configurable VID and PID
  • Eight General Purpose I/O pins
  • 256 Bytes of user EEPROM

USB to Ethernet Bridge



  • USB or HSIC input
  • Ethernet or RGMII/MII Output
  • 10Base-T/100Base-TX/1000Base-T Ethernet Interface Controller with integrated MAC and PHY