Category Archives: app notes

App note: FPGA configuration from SPI Flash memory using a Microprocessor

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From Xilinx application note on FPGA configuration method: This application note describes a simple and efficient FPGA configuration method that utilizes a microprocessor to configure an FPGA device from a Serial Peripheral Interface (SPI) flash memory. This method reduces hardware components, … Read more

App note: Li-Ion/Polymer Shunt battery charger system with low battery disconnect

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Li-Ion/Polymer Shunt battery charger system with low battery disconnect (PDF!) app note from Linear Technology: The LTC®4071 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources. A near zero current low battery latching disconnect function … Read more

App note: Using a hardware or software CRC with enhanced core PIC16F1XXX in class B applications

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An app note from Microchip: Using a hardware or software CRC with enhanced core PIC16F1XXX in class B  applications (PDF!) Class B safety routines are increasingly used in microcontrollers to detect faults in safety-critical applications. The primary method for detecting faults in … Read more

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App note: Bluetooth smart communication using Microchip RN4020 module and 16-bit PIC microcontroller

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An app note from Microchip, Bluetooth smart communication using Microchip RN4020 module and 16-bit PIC microcontroller (PDF!): This application note provides the following: • Framework for any of the user application platform using RN4020 module and PIC24FJ series of microcontrollers. • … Read more

App note: Design considerations for single-sided sensing applications of reflective assemblies

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App note from TT Electronics on reflective assemblies and the surfaces they need to effectively detect/sense. A reflective sensor provides a major mounting advantage to the designer because only one side of a sensing surface is required. However, there are … Read more