Uber-Cool USB Stick Enables Fast Apps for STM32 uCs

Written by Clive Maxfield October 23, 2009 Hits: 859 Favorites

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The folks at STMicroelectronics just told me about their new STM32-comStick. Provided in the form of a USB stick, this little scamp is a low-cost, full-featured development platform that enables fast application design for STM32 Connectivity Line microcontrollers.

The STM32 microcontrollers, including the STM32F105 and STM32F107 families, entered production in June 2009. Based on the ARM Cortex-M3 core, they add Ethernet, USB Device/Host/OTG, CAN, and audio-class I2S peripherals, thereby providing low-power 32-bit processing and real-time behavior for embedded application requiring networking and communications capabilities.

Come on ... you have to admit that this really is amazingly cool!

The STM32-comStick includes an unlimited Hitex HiTOP5 IDE/debugger and TASKING C compiler, a built-in GUI allowing control of the application, and a 72MHz STM32F107VC Connectivity Line MCU with 256 KB Flash. Developers can plug the device directly into a PC USB port to evaluate the MCU communication peripherals and build, program and debug their own applications. No external components, software, or power supply are required.

To speed up development, source-code examples demonstrate the microcontroller’s Ethernet and USB peripherals. Sample applications include an embedded web server running on a TCP/IP stack, a USB Host mass-storage peripheral, and a file system demonstrating file storage functionality.

The comStick concept provides a convenient and fast way to access microcontroller connectivity features, and is already developer-proven with thousands of sales of the STR9-comStick, introduced in 2007 for ST’s ARM9E-based STR9 series.

In addition to the STM32-comStick, ST also has the STM32-PerformanceStick for STM32 developers using 72MHz Performance Line devices with up to 512 KB on-chip Flash memory.

The STM32-comStick is available with a resale price of $69, directly from ST sales offices and distributors, and also from Hitex (www.hitex.com).

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Written by :

Clive Maxfield