Bay | Cypress Semiconductor


The Cypress's West Bridge® Bay™ peripheral controller is the successor to the A-generation West Bridge, offering faster storage access to USB 2.0 with additional Hi-Speed USB On-The-Go (OTG) capability.Bay incorporates the enhanced SLIM® II architecture, providing uninterrupted and simultaneous data flow among processor, storage, and USB.With the support for the latest SD 3.0 (SDXC with UHS-I) and eMMC 4.41 standards, Bay provides improved storage performance to enhance user experience.


  • Integration:Hi-Speed USB 2.0 Peripheral Controller with On-The-Go (OTG) capability
  • High-Performance:データ処理用に512kBのRAMが搭載されたARM9
  • SLIM®II Architecture:Simultaneous access for all ports, enabling multitasking without performance degradation
  • Improved User Experience:Built-in RAID-0 configuration for improved read/write access to flash storage
  • Next-generation Storage Support:SD 3.0 (with UHS-I), eMMC 4.41
  • Integrated Hi-Speed USB 2.0 Switch
  • EZ-Dtect™:Charging and accessory detection
  • Flexible Input:19.2 MHz XTAL and selectable clock input from 19.2, 26, 38.4, and 52 MHz
  • Small Footprint:131-ball WLCSP package


  • Servers
  • Mobile Handsets
  • Tablet PCs
  • Storage Expansion
  • Personal Media Players
  • Digital Video Cameras
  • Digital Still Cameras
  • Portable Gaming Consoles