CT25100
MCU-less USB Billboard Device Controller
The CT25100 is a Full-Speed USB controller, which enumerates as Billboard Device.
It integrates all necessary infrastructures, including the CT20101, SOF-Calibrated 48MHz USB Clock, which doesn't need any external component, thus offering a cost-effective solution.
CT25100 supports bus-powered mode and enables efficient system power management with suspend and remote wake-up signals.
CT25100 handles requests from the USB host reading the required information from a virtual address space which maps to a combination of ROM and RAM. The ROM contains Billboard specific "boilerplate" data mostly specified in the USB Device Class Definition for Billboard Devices specification; the latter contains product specific data and dynamic information.
- USB 2.0-certified, Full-Speed (12 Mbps)
- Supports native Billboard Device class driver
- Integrated USB termination resistors
- Allows the use of SRAM and ROM for storing configuration parameters
- Billboard Device class specific descriptors
- Clocking: Integrated 48-MHz clock oscillator
- Supports bus-/self-powered configurations
- USB Suspend mode for low power
- No external crystal
- No external components
- Voltage and current references, test infrastructures, included
- USB Devices
- Silicon Proven
- Fully characterized
- USB compliance
- in mass production
