JTAG

ARM STM32 JTAG

Posted Tue, 29/12/2009 - 15:38 by peteh

JTAG is a common standard for communicating with modern electronic devices like FPGAs and microcontrollers. A JTAG connection will allow you to do in-circuit debugging in a bewildering variety of ways and will generally allow you to program your device. The standard, apparently, defines five connections for this purpose. Add in power and ground and you have a minimum of 7 connections needed to implement JTAG. The trick is getting them delivered to your board or device…

ETT STM32 ARM Stamp

Posted Thu, 21/05/2009 - 02:47 by peteh

et-arm-stamp-stm32-1 While I have a couple of STM32 development boards already, I was looking around for something a bit more flexible. Somehow, development kits always seem to have the wrong set of peripherals and pins I want to play with are not available. After a bit of hunting, I came across this board, made by ETT. It comes in a convenient, small size with two single rows of pins for the IO. Perfect for plugging into a breadboards for some proper playing…

STM32 and the Olimex ARM-USB-OCD on a Mac

Posted Fri, 08/05/2009 - 22:32 by peteh

arm-usb-ocd As a bit of a backup to the whole bootloader thing, I bought an Olimex ARM-USB-OCD JTAG adaptor. This is a multi purpose device that provides you with a USB JTAG interface to the ARM, a USB serial port and a power supply for your target board. It looks pretty useful and is supported by the openOCD project as well as Rowley Crossworks. JTAG is fast for flash programming and pretty well a one-touch solution in Crossworks. I was quite excited when it arrived and hurried to get it set up. By now, I should know better…

ARM Cortex-M3 (STM32) development on the Mac

Posted Wed, 06/05/2009 - 03:23 by peteh

stm32-chip

The whole ARM processor core thing is really attractive. Here is a widespread, powerful core available in a whole bunch of packages and processor combinations from a range of suppliers. Then there came the Cortex-M3 version. More interesting still is the ST processor series known as the STM32. These really are interesting. they are cheap, readily available, fast, have a peripheral set that could be made for the kind of tasks I am most interested in and you can get free or low cost development tools…