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This is very simple step-by-step tutorial how to start with the Xilinx EDK. In this example I have used the Webpack edition 10.1 of the EDK and Digilent Spartan-3 Starter Board. The example is very simple and uses software test applications generated by the tool. 1. Launch the EDK and use the Base System Builder [...]

I find it often difficult and time consuming to learn a new tool. I have spent quite a lot of time with Xilinx toolset and this short tutorial might help somebody starting with XIlinx tools. It basically shows how to create a simple project from scratch. I am using the Webpack edition of the ISE [...]

Switching power supplies are now even more popular than traditional linear power supplies, generally because they can offer higher efficiency than traditional linear power supplies. They can step-up, stepdown, and invert. Some designs can isolate output voltage from the input. The AN2031 application note from Maxim/Dallas outlines the different types of switching regulators used in [...]

Maxim released new application note “SPI/I²C Bus Lines Control Multiple Peripherals”. This application note compares two common serial, digital interfaces: SPI™, and I²C and shows advantages or disadvantages for many designs, depending on criteria such like needed data rate, space availability, and noise considerations. This application note discusses the differences between these two serial interfaces [...]

Few months ago Cypress Semiconductor introduced new CapSense Demo Board based on their PSoC microcontrollers. Basic idea is to replace mechanical components like buttons, sliders and touchpads with more economical and reliable parts. Although it is probably more reliable than mechanical switches, the economical issues are not so obvious. CapSense technology is based on buttons [...]

Analog Devices released new application note with a detailed description of interfacing the HD44780-Based Character LCD to an ADuC702x devices. This application note describes the commands to control the basic functions of the LCD. The data bus that connects the HD44780 to the MicroConveter® can be 8 or 4 bits wide; in this application note, [...]