App note: USB to I2C bridging with Microchip USB 2.0 Hubs

App note on Microchip’s USB 2.0 Hubs on its I2C support. PDF link here The USB to I2C bridging feature of Microchip’s USB 2.0 hubs provides system designers expanded system control and potential BOM reduction. When using this feature in a system design, a separate USB to I2C device is no longer required and a […]

App note: USB to GPIO bridging with Microchip USB 2.0 Hubs

App note on Microchip’s USB 2.0 Hubs on its GPIO capabilities. PDF link here The USB to GPIO bridging feature of Microchip’s USB 2.0 hubs provides system designers expanded system control and potential BOM reduction. General Purpose Input/Outputs (GPIOs) may be used for any general 3.3V level digital control and input functions. This feature is […]

App note: Introduction to USB Type-C

Microchip’s App note on USB Type-C cable. PDF is here The USB-IF has secured the ubiquitous nature of USB for years to come with the radically updated USB Type-C connector. While the sleek new reversible form factor has been significant for generating buzz and excitement from the general consumer market, the significantly expanded feature-set is […]

App note: 16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X

16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X (PDF!) application note from Microchip: Several products in the PIC® device family have a Math Accelerator module to do a 16-bit multiplication and addition in hardware. This technical brief describes briefly how the module works, how to use this module in users’ applications, and […]

App note: Operational amplifier applications using 8-Bit PIC microcontrollers

Operational amplifier applications using 8-Bit PIC microcontrollers (PDF!) from Microchip: This document aims at uncovering some of the more important parameters of the op amp and the significance in certain applications. Specific examples and case studies of applications using the on-chip op amp of the PIC16F families of microcontrollers will be discussed. A comparison of the […]

Simple 3D gesture control IC by Microchip

Microchip simplifies 3D gesture IC: Housed in an easy-to-manufacture SSOP28 package, the MGC3030 expands the use of highly sought after 3D gesture control features to high-volume cost-sensitive applications such as toys, audio and lighting. The simplicity of gesture-detection integration offered by the MGC3030 is also achieved through the company’s free, downloadable AUREA Graphical User Interface […]

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: Implementing the suspend indicator using microchip USB hubs

App note(PDF!) on Microchips’ USB hubs suspend indicator feature. The USB251xB / USB3x03 / USB253x / USB3x13 / USB46x6 product lines are a family of feature-rich, low power USB 2.0 hubs optimized for use in embedded systems where high performance and advanced functionality are critical design requirements. The USB251xB / USB3x03 / USB253x / USB3x13 […]

App note: USB device design checklist

Application note(PDF) on the design of various USB controllers from Microchip. The purpose of this application note is to provide a list of items that need to be considered when designing systems that incorporate the following categories of Microchip USB products: -USB 2.0 Hubs -USB 3.0 Hubs -Flash Media Controllers -Flash Media Controller Hub Combo […]

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

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 microcontroller program memory is by using a Cyclic Redundancy Check (CRC) as defined by the […]

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

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. • Specifically an interface of RN4020 module with PIC24FJ128GA010 microcontroller. • Start up or reference code […]

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: Using PIC32 MCUs to develop low-cost controllerless (LCC) graphics solutions

Adding a low-cost virtual graphics on embedded application, app note from Microchip. This application note describes the LCC Graphics Board that enables the implementation of a low-cost controllerless graphic method using a PIC32 microcontroller.

App note: Analog-to-Digital conversion using a PIC16C5X/PIC16F5X

PIC16C5X and PIC16F5X microcontroller families are low cost off-the-shelf solution for common analog measurements like voltage and current. Here’s an app note (PDF) from Microchip on how to do A/D conversion on these chips. The converter requires only five external components and is software and hardware configurable for conversion resolutions from six bits up to […]

App note: Bit-Banging the SDI and SQI Modes of Microchip’s 23XX512/23XX1024 Serial SRAMs

Dual Mode(SDI) and Quad Mode(SQI) Serial interface are not common peripherals on many MCU today, Microchip’s app note (PDF) provides an alternative way to communicate with these SRAMs using existing GPIOs pins in bit-bang. This application note explains in detail the recommended usage of the SDI and SQI modes of operation of the Microchip 23XX512/23XX1024 […]

New microchip promises to streamline and simplify diabetes diagnoses

Dr. Brian Feldman and his team at Stanford University have developed a new microchip. It promises to streamline and simplify diabetes diagnoses. Ben Coxworth of Gizmag writes: For people who don’t already know, here’s the difference between type 1 and type 2 diabetes: the body produces little or no insulin in the case of type 1, and […]

Recommended usage of Microchip serial RTCC devices

  Another good app note from Microchip, a guidance in using the Microchip RTCC family of devices (PDF): This application note provides assistance and guidance in using the Microchip RTCC family of devices. This application note covers both the I 2C™ (MCP794XX) and SPI (MCP795XXX) family of devices. These recommendations are not meant as requirements, however, their […]

Simple link budget estimation and performance measurements of Microchip sub-GHz radio modules

  Assessing the link budget with this app note (PDF) from Microchip: This application note describes a simple link budget analysis, measurement and techniques to evaluate the range and performance of wireless transmission with results, and uses developed models to estimate the path loss for short range Microchip Sub-GHz modules using MRF89XA and MRF49XA radios both for […]

App note: Switching power supply design with the PIC16F785

An SMPS application using PIC16F785 from Microchip, app note here (PDF). In this application note, we will examine a typical buck topology intelligent SMPS design using the PIC16F785. The design presented here shows an alternative single-chip approach to adding intelligence to SMPS designs. The basic design is really unchanged. There are current and voltage feedback […]