An application note on USB HID bootloader for PSoC 3 and PSoC 5LP from Cypress: AN73503 describes how to implement a USB bootloader for PSoC 3 and PSoC 5LP devices by using the USB Human Interface Device (HID) class. It also shows how to build a Windows-based USB host program. A PSoC Creator project and an […]
Tag Archives: application note
App note: Infrared gesture sensing
An application note from Silicon Labs on Infrared gesture sensing (PDF!): Touchless user interfaces are an emerging trend in embedded electronics as product designers seek out innovative control methods and more intuitive ways for users to interact with electronics. Active infrared proximity motion sensing can solve this challenge. Silicon Labs Si114x proximity and ambient light sensor products […]
App note: FPGA configuration from SPI Flash memory using a Microprocessor
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, board space, and costs. Reference hardware design and firmware are included to illustrate the methodology.
App note: Energy Harvesting reference design user’s guide
An application note from Silicon Labs on energy harvesting reference design user’s guide(PDF!): The purpose of this reference design is to demonstrate an ultra low power wireless sensor, powered from an energy harvesting source. This application is typical of systems which wake periodically to measure and transmit results. Since it is powered from an energy harvesting […]
App note: Li-Ion/Polymer Shunt battery charger system with low battery disconnect
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 protects even the lowest capacity batteries from deep discharge and potentially irreparable damage. The 550nA […]
App note: 1-Wire communication with PIC microcontroller
An application note (PDF!) from Microchip on 1-Wire communication with PIC microcontroller: This application note introduces the user to the 1-Wire® communication protocol and describes how a 1-Wire device can be interfaced to the PIC® microcontrollers. 1-Wire protocol is a registered trade mark of Maxim/Dallas Semiconductor. A software stack for the basic, standard speed, 1-Wire master communication […]
App note: FlexConnect applications
An app note (PDF!) on Microchips’ FlexConnect: The USB protocol calls for rigid system roles to maintain order. One processor acts as the Host which issues commands to the Device. In turn, the Devices respond to the Host’s commands. This implementation operates well where there is one central processor controlling a wide variety of support devices. […]
App note: Introduction to USB Power delivery applications
Another application note from Microchip, an introduction to USB Power delivery applications (PDF!): This document is designed for systems and hardware engineers seeking the information necessary to begin to integrating USB Power Delivery (under Power Delivery Specification Rev 1.0) into their designs using the Microchip UPD1001 or UPD1002 USB Power Delivery Controllers
App note: Microchip dedicated slave devices in I2C systems
An app note on Microchip dedicated slave devices in I2C systems (PDF!): Microchip supplies dedicated slave devices that include a two-wire serial interface that is System Management Bus (SMBus) and I2C™ compatible. The SMBus specification is based on the I2C serial communications protocol, but with some differences. This document describes the key differences that may affect […]
App note: 868 MHz, 915 MHz and 955 MHz inverted F antenna
868 MHz, 915 MHz and 955 MHz inverted F antenna (PDF) application note from Texas Instruments: This document describes a PCB antenna designed for operation in the 868 MHz, 915 MHz and 955 MHz ISM bands. This antenna can be used with all transceivers and transmitters from Texas Instruments, which operates in these frequency bands. Maximum […]
App note: Minimizing power consumption when sensing switch inputs
An app note (PDF!) from Renesas on how to minimize power consumption when sensing switch inputs A switch input is one of the simplest interfaces to an MCU. However, when very low power designs are needed the pullup or pulldown resistor for the switch can draw a significant current. If the switch input is a momentary […]
App note: Solutions for radio frequency electromagnetic interference in amplifier circuits
Solutions for radio frequency electromagnetic interference in amplifier circuits from Microchip, app note can be found here: EMI is a real problem today and it can affect most electronic devices, including medical and avionics equipment. Modern devices include EMI filters to ensure the proper operation of equipment in harsh EMI environments. This application note demonstrates that the […]
Application notes ease analog design
Application notes ease analog design with Robert Dobkin, Vice President of Engineering & CTO Linear Technology co-founder and Chief Technical Officer Bob Dobkin discusses the evolution of analog electronics design and the role of application notes and books in assisting designers in building circuits.