The Texas PRU Cape

In a bid to encourage greater use of TI’s Programmable Real-time Unit (PRU) built into the Sitara AM335x and AM437x family of devices which power the BeagleBone Black development board Texas have announced the PRU cape. The PRU is made up of dual 200 MHz coprocessors, implementing a low-latency subsystem optimized for deterministic, real-time processing allowing direct access to I/Os. It would be fair to say that this capability is seldom used by BeagleBone developers because it has been found to be complex to program.

The Texas PRU Cape

The PRU Cape is supported with a software package including the Linux source code and a number of worked examples using the LEDs, push buttons, audio and UART. The code is available as part of the Sitara Linux SDK. A new PRU-optimized C compiler and TI’s Code Composer Studio is also available for download.

The PRU cape hardware includes:

  • BeagleBone/BeagleBone Black Cape expansion connector
  • Hardware UART to PRU subsystem
  • Temperature sensor with 1-wire interface
  • Dual GPIO push button switches
  • Audio jack connection output
  • Bank of PRU0 and PRU1 LEDs
  • LCD Connector for optional character display (not included). Compatible with Newhaven NHD-0208AZ-RN-YBW-33V
  • Prototyping area

For more detail: The Texas PRU Cape

 


About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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