Micrium uC/USB Host

µC/USB Host™ Stack for CrossCore® Embedded Studio
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  • μC/USB Host stack for CrossCore Embedded Studio requires a real-time operating system
  • Integrates seamlessly with CrossCore Embedded Studio
  • Supports CrossCore Embedded Studio user interface windows for configuring the USB stack and host classes
  • Supports Low (e.g. keyboard) and High Speed (e.g. USB Flash Drive) device connections
  • Supports bulk, control and interrupt transfer types
  • Supports HID and MSC host classes
  • Supports hubs (ADSP-BF609 family only)
  • Scalable to contain only required features
  • Complies with USB 1.1 and USB 2.0
  • Provides examples (one for each class) for a smooth out-of-the-box experience
  • Well integrated with μC/OS-III™ for CrossCore Embedded Studio to provide a threaded solution for USB
  • Well integrated with μC/FS™ for CrossCore Embedded Studio to provide a Mass Storage Class solution which works out of the box

Product Details

µC/USB Host Stack for CrossCore Embedded Studio is the result of a partnership between Analog Devices and Micriµm to provide a user-friendly programming environment for embedded applications requiring USB Host functionality. To use the stack in an embedded application requires a minimum of the µC/USB Host Core for CrossCore Embedded Studio product, along with one or more of the supported host class products detailed below.

The µC/USB Host Stack is provided with a hardware abstraction layer which is modified to support Blackfin® processors with built-in USB host controllers such as the ADSP-BF526, ADSP-BF527, ADSP-BF548 and ADSP-BF609 processor families.

The µC/USB-Host Stack uses a modular architecture with three software layers between the application and the hardware:

  • The Host Class layer provides functionality to the host using one or more class drivers. Each class driver is responsible for class-specific requests and may provide an API for controlling some implementation features and for receiving/transmitting data.
  • The Host Core layer controls data reception and transmission it is also responsible for hub requests. (device connection, enumeration)
  • The Host Controller driver layer interfaces with the USB controller to process interrupts, notify the Host Core layer of bus events, and receive/transmit data.

Class Support

Products are offered for two common host classes, Mass Storage (MSC) and Human Interface Device (HID).


µC/USB Host Class HID for CrossCore Embedded Studio - The Human Interface Device Class (HID) enables an embedded target host as to communicate with both standard (e.g. keyboards) and vendor-specific HID devices.

µC/USB Host Class MSC for CrossCore Embedded Studio - The Mass Storage Class (MSC) enables an embedded target host to use an embedded target device as a USB mass storage device. Typical applications include USB memory stick, digital camera, MP3 player and DVD player.

Downloads And Related Software

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Micrium based CrossCore Software License Options

Single Product License
A Single Product License allows the licensee to embed the software into one specific customer identified end-product. Each end-product can be produced in an unlimited number of units, for the lifetime of that one specific end-product. An end-product refers to a product manufactured by the licensee using the software. Each end-product is assumed to contain a single microprocessor, microcontroller or DSP. 

Product Line License (Product Family License)
A Product Line License (also known as a Product Family License) allows the licensee to embed the software into an unlimited number of different “Single Products? as long as each such product performs a similar function. For example, all commercial washing machines would be considered being part of a product family. Commercial “dryers? would be considered being part of a different family of products. Each end-product within the product family can be produced in an unlimited quantity, for the lifetime of the end-products belonging to the product family. 

CPU-Type License (Platform License)
A CPU-Type License allows the licensee to embed the software into any number of different end-products using a single and specific processor type. The license holder may manufacture an unlimited number of units of each of these different end-products for the life of the end-product that uses the specific licensed processor type from ADI (or its affiliates). The processor type is defined as being part of the same family. For example; Blackfin® (for example, Blackfin® ADSP-BFxxx).

Site License
A Site License allows the licensee to embed the software into any end-product that uses any CPU as long as the products are designed at a single physical site. A site is defined as licensee facilities where a product is being developed and may consist of multiple buildings located within a two (2) mile radius building one or more end-products.

Common to all Micriµm based CrossCore Embedded Studio Add-in licenses:

  • Licenses are royalty free.
  • Licenses are perpetual for the life of the customer end-product.
  • One year of maintenance is included with each license. The maintenance period begins when the product is first licensed.
  • Subsequent years of maintenance are optional but highly recommended so that upgrades, improvements, bug fixes etc. are continually provided.
  • For pricing on additional Micriµm based CrossCore Software license options, please Contact ADI
  • For a more complete list of µC/USB Device Stack parts refer to this document

Maintenance Policy:  A CrossCore Embedded Studio license includes one year of updates, upgrades and lifetime support. The optional annual maintenance provides access to updates and upgrades released during the maintenance period. Updates released after the maintenance period will not run until maintenance is renewed. Renewing maintenance provides instant access to all previous updates. Annual maintenance is 20% of book price for each license option, for additional information please Contact ADI

Evaluation Version Reminder:  A reminder that once your evaluation of uCOS-III or uCOS-II Real-Time Kernel for CrossCore Embedded Studio is complete, and you decide to use it in a commercial product, you must purchase a full license from Analog Devices to comply with our license terms and agreements.


Licensing to Colleges and Universities Policy:  Developers from accredited colleges and universities can use µC/OS-III Real-Time Kernel for CCES without a license, as long as the software is used only for educational purposes or peaceful research.

Systems Requirements

  • Windows XP Professional SP3 (32-bit only)
  • Windows Vista Business/Enterprise/Ultimate SP2 (32-bit only). It is recommended to install the software in a non-UAC-protected location
  • Windows 7 Professional/Enterprise/Ultimate (32 and 64-bit)
  • Windows 8 Professional/Enterprise (32 and 64-bit). It is recommended to install the software in a non-UAC-protected location
  • Minimum of 2 GHz single core processor, 3.3 GHz dual core is recommended
  • Minimum of 1 GB memory (RAM), 4 GB is recommended
  • Minimum of 2 GB hard disk (HDD) space is required
  • CrossCore Embedded Studio for Analog Devices Processors


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Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.