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Microcontroller Solutions
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 - UART
SuppliersTechnologyTitleSource Code
Analog Devices, Inc.UARTAN-724: ADuC702x Serial Download Protocol    
Analog Devices, Inc.UARTUC-004: Understanding the Serial Download Protocol    
Analog Devices, Inc.UARTUC-006: A 4-wire UART-to-PC Interface  View
AtmelUARTAVR1307: Using the XMEGA USARTView
AtmelUARTAVR244: UART as ANSI Terminal InterfaceView
Energy MicroUARTAN0008: EFM32G USART  
Energy MicroUARTAN0017: EFM32G Low Energy UART  
Infineon TechnologiesUARTAP0803110: C5xx Emulating an asynchronous serial interface (USART) via software routines  
Infineon TechnologiesUARTAP0803210: C5xx Simulating an asynchronous serial interface (USART) via the on-chip synchronous serial interface (SSC) 1  
Infineon TechnologiesUARTAP1602310: C16x Software module of M3L-bus by using USART  
MaximUARTAN3904: How to Use the MAXQ® Serial Driver to Develop Applications  
MaximUARTAN4041: Implementing a Software UART on the MAXQ3210  
MaximUARTAN4351: How to Configure the DS89C430 Dual Serial Ports with Different Timers Using the Keil C Compiler  
MaximUARTAN4465: Using the Serial Port on the MAXQ610 Microcontroller  
MaximUARTAN600: Ultra High Speed Microcontroller Hardware Enhances Serial Port Capability  
MaximUARTAN603: Implementing a Serial Port FIFO Using Dual Data Pointers  
MaximUARTAN75: Using the High-Speed Micro's Serial Ports  
Microchip TechnologyUARTAN1076: Using a PIC® Microcontroller for DMX512 CommunicationView
Microchip TechnologyUARTAN1156: Battery Fuel Measurement using Delta-Sigma ADC DevicesView
Microchip TechnologyUARTAN774: Asynchronous Communications with the PICmicro® USARTView
Microchip TechnologyUARTAN956: Migrating Applications to USB from RS-232 UART with Minimal Impact on PC SoftwareView
Microchip TechnologyUARTAN962: Implementing Auto Baud on dsPIC30F DevicesView
NXP SemiconductorsUARTAN10319: 80C51 (8-bit) 8051 microcontroller to UART serial interface evaluation board  
NXP SemiconductorsUARTAN10339: 80C51 (8-bit) UART serial interface through USB evaluation board  
NXP SemiconductorsUARTAN10689: ARM7 (32-bit) Full-duplex software UART for LPC2000  
NXP SemiconductorsUARTAN10955: Cortex-M3 (32-bit) Full-duplex software UART for LPC111x and LPC13xx  
Silicon Laboratories, Inc.UARTAN112: C8051Fxxx UART In-Application Code Loading ExamplesView
Silicon Laboratories, Inc.UARTAN115: C8051Fxxx Software UART Examples View
STMicroelectronicsUARTAN1797: STR71x UART Communication with a PC using RS232  
STMicroelectronicsUARTAN1800: STR71x BSPI Used as an UART  
STMicroelectronicsUARTAN2557: STM32F10x in-application programming using the USART  
STMicroelectronicsUARTAN2781: STM8S UART emulation software  
Texas InstrumentsUARTSPMA012: Stellaris Implementing RS-232 Flow Control on a Stellaris Microcontroller  
Texas InstrumentsUARTSPMA017: Stellaris Software UART for Stellaris MicrocontrollersView
Texas InstrumentsUARTSPNA097: TMS470 UART Implementation Using the High-End Timer  View
Toshiba America Electronic ComponentsUARTInter-CPU Communication (Simultaneous Transmission/Reception) using SIOView
Toshiba America Electronic ComponentsUARTInter-CPU Communication (Transmission + Reception) using SIOView
Toshiba America Electronic ComponentsUARTRS-232C Communication using UARTView