Build your own AVR JTAG ICE clone After unsuccessful attempts to run few programs who drive peripherals like USART and Timers on Atmega. I decided to make JTAG debugger. Create Empty Dos File. Siemens Hipath 3000 Manager E there. I hope it will allow me to see what is really happening is may atmega. The most widely used AVR JTAGICE clone is AVR mini. Microcontroller-51-Based-Projects.jpg' alt='Avr Projects Pdf' title='Avr Projects Pdf' />ICE which is compatible with original AVR JTAGICE. AVR JTAG mainly is used for target board debugging in real world. And of course you also can program your AVRs with it. To build this board is very ease as its schematic is simple AVRJtag. ICE Schematic. List of materials you will need Amount Type Title. R R1, R2. 1 1. 0K R3. C7, C8. 6 1. 00n C1,C2,C3,C4,C5,C6. LED G D1. 1 LED R D2. ATmega. 16. L DD1. MAX3. 23. 2 DD2. MHz Q1. All secret in its firmware, but dont worry it is ready to go. AVR Mini. ICE has following properties Is compatible with AVR JTAG ICE It is capable to debug and program Atmega microcontrollers with JTAG interface Real time debugging support Regular updates of firmware to support new types of AVR Updates can be done directly from AVR Studio Power supply from 2. V Connects to AVR Studio through COM port Two LED indicators Power and Connect. Now AVR studio 4 supports following AVR MCUs may be already new ones included ATmega. ATmega. 12. 8L, AT9. CAN1. 28. ATmega. ATmega. 16. LATmega. ATmega. 16. 2L, ATmega. VATmega. 16. 5, ATmega. USBasp is a USB incircuit programmer for Atmel AVR controllers. It simply consists of an ATMega88 or an ATMega8 and a couple of passive components. VATmega. 16. 9, ATmega. L, ATmega. 16. 9VATmega. ATmega. 32. LATmega. ATmega. 32. 3LATmega. ATmega. 64. LHow to set up this adapter to be ready. Main thin is that you have to upload the firmware to it. For this you will need ISP programmer. Timers are the common feature of almost any microcontroller. So their knowledge is important. In this tutorial we will learn how to use AVR Timers. Download microcontroller 8051 projects, ebooks, tutorials and code examples. AVR codes, PIC libraries, AVR projects, assembly language, PIC Projects. Official Atmel AVR development tools and evaluation kits contain a number of starter kits and debugging tools with support for most AVR devices. Microchip and Atmels merge will hopefully yield a combination of the best of the AVR and PIC worlds so what does this mean for embedded developmentFirst of all you will need to upload a Bootloader or Alternative bootloader to Atmega. AVR Studio directory. When bootloader is programmed program fuses like this Using Pony. Prog Then connect AVR mini. Ice cable to PC COM port and start AVR Studio. In AVR Studio Tools menu locate AVR Prog. And browse for file upgrade. AVR Studio directory by default in C Program FilesAtmelAVR ToolsJTAGICEUpgrade. After AVR is programmed usually you will get som error message dont care about it, you can program AVR fuses to its previous state in order to disable bootloading This is it. You have done. If you did it correctly it should work. Here is my prototyping view As I mentioned, AVR Mini. ICE can be used as AVR programmer as well. Goto Tools Program AVR. Then select AVR programmer JTAG ICE and desired COM port. After this you will be directed to JTAG ICE dialog window where you can program you target AVR How to start debugging will be in following articles. Download Another AVRICE project with SCH and PCB files as images.