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Digi-Key is your source for electronic component training. Our application notes provide instructions and recommendations for a variety of products, all of which come directly from the supplier.

Application Notes - USB
SuppliersTechnologyTitleSource Code
AtmelUSBAVR146: Lithium-Ion Battery Charging via USB with ATmega16/32U4View
AtmelUSBAVR153: USB PC Drivers Based on Generic HID ClassView
AtmelUSBAVR270: USB Mouse Demonstration on megaAVR with USBView
AtmelUSBAVR271: USB Keyboard Demonstration on megaAVR with USBView
AtmelUSBAVR272: USB CDC Demonstration: UART to USB Bridge, on megaAVR with USBView
AtmelUSBAVR273: USB Mass Storage Implementation on megaAVR with USBView
AtmelUSBAVR280: USB Host CDC Demonstration on megaAVR with USBView
AtmelUSBAVR287: USB Host HID and Mass Storage DemonstrationView
AtmelUSBAVR298: USB Audio Demonstration with ATmega32(16)U4View
AtmelUSBAVR32709: Audio Decoder Over USB using 32-bit AVR UC3View
AtmelUSBAVR32716: AVR UC3 USB Audio Class  
AtmelUSBAVR32784: 32-bit AVR UC3 USB DFU Bootloader  
AtmelUSBAVR32787: 32-bit AVR UC3 A3 series High Speed USB Design Guidelines  
AtmelUSBAVR328: USB Generic HID Implementation on megaAVR devicesView
Cirrus Logic, Inc.USBAN240: EP9312 USB Version 1.1 Slave Reference Schematic  
Cirrus Logic, Inc.USBAN255: Populating the USB Components on the EDB9301 Development Board  
Freescale Semiconductor, Inc.USBData Logger  
Maxim IntegratedUSBAN3637: Add USB to Anything  
Microchip TechnologyUSBAN1140: USB Embedded Host Stack  
Microchip TechnologyUSBAN1141: Embedded Host Stack Programmer's Guide  
Microchip TechnologyUSBAN1142: Mass Storage Class on an Embedded Host  
Microchip TechnologyUSBAN1144: Human Interface Device Class on an Embedded Host  
Microchip TechnologyUSBAN1145: Using a USB Flash Drive with an Embedded Host  
Microchip TechnologyUSBAN1176: USB Device Stack for PIC32 Programmer?s Guide  
Microchip TechnologyUSBAN1189: Implementing a Mass Storage Device Using the Microchip USB Device Firmware Framework  
Microchip TechnologyUSBAN1212: Using USB Keyboard with an Embedded Host  
Microchip TechnologyUSBAN1233: USB Printer Class on an Embedded Host  
Microchip TechnologyUSBAN258: Low Cost USB Microcontroller Programmer The building of the PICkit™ 1 FLASH Starter KitView
Microchip TechnologyUSBAN950: Power Management for PIC18 USB Microcontrollers with nanoWatt Technology  
NXP SemiconductorsUSBAN10420: ARM7 (32-bit) USB virtual COM port on LPC214x  
NXP SemiconductorsUSBAN10493: ARM7 (32-bit) LPC214x power-down mode and USB wake-up  
NXP SemiconductorsUSBAN10703: ARM7 (32-bit) NXP USB host lite  
NXP SemiconductorsUSBAN10711: ARM7 (32-bit) USB secondary ISP bootloader  
NXP SemiconductorsUSBAN10736: ARM7 (32-bit) LPC214x USB simplified - API approach to HID class  
NXP SemiconductorsUSBAN10759: ARM7 (32-bit) USB secondary ISP bootloader for LPC23xx  
NXP SemiconductorsUSBAN10760: ARM7 (32-bit) USB - DALI master using the LPC2141  
NXP SemiconductorsUSBAN10764: ARM7 (32-bit) USB secondary ISP bootloader for LPC24xx  
NXP SemiconductorsUSBAN10866: Cortex-M3 (32-bit) LPC1700 secondary USB bootloader  
NXP SemiconductorsUSBAN10904: Cortex-M3 (32-bit) USB HID with the LPC1300 on-chip driverView
NXP SemiconductorsUSBAN10905: Cortex-M3 (32-bit) USB mass storage class with the LPC1300 on-chip driverView
Silicon Laboratories, Inc.USBAN169: C8051F3xx USBXpress Programmer's GuideView
Silicon Laboratories, Inc.USBAN220: C8051F32x and CP210x USB Driver CustomizationView
Silicon Laboratories, Inc.USBAN249: USB MCUs Human Interface Device (HID) TutorialsView
Silicon Laboratories, Inc.USBAN282: C8051F3xx USB Mass Storage Reference DesignView
Silicon Laboratories, Inc.USBAN295: USB MCUs Audio Class TutorialView
Texas InstrumentsUSBSLAA276A: MSP430 USB Connectivity Using TUSB3410 (Rev. A)  View
Texas InstrumentsUSBSPMA003: Stellaris Application Update Using the Stellaris USB Device Firmware Upgrade Class  
Texas InstrumentsUSBSPMA019: Stellaris USB Certification for Stellaris-based USB Peripherals and Embedded Host Systems