This is the mother of all JTAG Programmers for ARMs - and it's about 1/10th the price of other programmer/debuggers with the same functionality! This programmer/debugger is the first on market three-in-one USB JTAG debugger, offering JTAG; RS232 (full modem signals supported) port; and power supply all in one compact device.
It can be used as a power supply to ARM targets working in the voltage range of 2.0 to 5.0 V DC with three jumper selectable power supplies: 5V 9V and 12VDC. USB source current is limited with resetable fuse at 300mA, at the different output voltage the maximum current is different: 5V/200mA, 9V/100mA, 12V/70mA, note that this also depend on your USB host current capabilities, if other USB devices are attached to your computer or if the laptop is running on batteries these figures may be different and depend on your computer USB host.
Note: This Programmer does not come with any software, in order to use it for programming and debugging you will need software that supports these functions. There are links below to several pieces of open source software that are compatible with this device.
If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.
Skill Level: Rookie - You will need a better fundamental understand of what code is, and how it works. You will be using beginner-level software and development tools like Arduino. You will be dealing directly with code, but numerous examples and libraries are available. Sensors or shields will communicate with serial or TTL.
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Based on 1 ratings:
Seller was very quick to ship. Unit performed as advertised. Arrived well packaged with USB cable. No software or manual so will need to go online and downloine the open source software found on Sparkfun site. BB