USBTinyMkII User manual
Contents
1. The ISP header is used for standard 8bit avr devices the PDI header for the newer XMEGA AVRs and the TPI header for the 6 pin TINY AVRs Using USBTinyMkIl The USBTinyMkIl is programmed to emulate a standard avrisp mkii To connect to the programmer plug it into your pc USB port and start up Studio 4 File Project Build view Tools Debug Help OBda 424579 RWIN AU OK RR Eya i Trace Disabled cc Ty ae Ee te cits y RUTH Loaded plugin STESOO E Build message EH Find in Files Dg breakpoints and Trac Click on the connect icon to open up the programmer selection dialog and select AVRISP MkII from the menu and press the connect button Select AYR Programmer Baud rate bae rate changes are a active immediately Tip To aubo connmect to the programmer used last time piese the Programmer button on the toolbar Mote that a tool cannot be used for progiamming as long as itis connected ir a a debugging session In that case select Stop E ebugging first iscoonecied Heda Once connected the device selection menu will pop up Connect the programmer cable to the appropriate header to flash the target device depending on target device selected Be sure your target device is 5v tolerant if you select the USB powered mode CAUTION ONLY USE TARGET POWER IN PDI MODE AYRISP mkII in ISP mode with ATmegalzg l a Ex Main Proararn Fuses LockB2. USB cable icon and select USB from the menu and connect to the device Load the new hex file from the LOAD hex file icon or from the File gt LOAD HEX file menu Click on the RUN button in the lower left corner FPCA AYR StufP LUFASLUFA100209 Projects AYRISP MKID AYRISP hen Ae File Buffer Device Settings Help PS soph Et Operations Flow FLASH Buffer Information AT S0U561 62 Signature Bytes 55 i E la jz Size 12KB Erase Range Oxi Oxz4F5 Device Boot Ids loo a0 Checksum Oxl23409 T Blank check l Reset Before Loading Bootloader ver i O5 D 7 Program HEX File AVRISP hex 9462 util bytes o AIMEL TFs Bun Select EEPROM j7 Reset verify PASS USE ON DONE Your programmer should be up to date now Disclaimer Statement No warranty is offered for the USBTiny MkII or it s use or misuse can not be held liable for any damages caused to your USBTiny MkII programmer target device or computer system Having said that will attempt to ensure the highest level of quality and resolve any issue promptly
3. USBTinyMklIl User manual USBTinyMkIl ver 1 0 Copyright Tom_L 2010 All rights reserved Contents 1 Overview 2 Switch Positions 3 Connector Pinouts 4 Using USBTinyMkIl 5 Software Emulation mode 6 Preparing the Firmware 7 Firmware Update 8 Disclaimer Statement Overview The USBTInyMkIl is an avr programmer that uses the LUFA firmware to emulate an Atmel AVRISP MkII It supports the programming of the entire 8 bit AVR range via ISP as well as the PDI for the newer XMEGA AVRs and TPI for the 6 pin TINY AVRs Features include upgradeable firmware which can be configured for hardware or software emulation and switch selectable USB or target supplied power Switch positions NOTE ONLY USE TARGET POWER IN PDI MODE The target chip can be powered from the USB VBUS 5v or from the target board itself When the power select switch is in the position toward the USB plug it will be USB powered and when switched toward the target plugs it is powered by the target board as indicated below The IC2 uses the power from the target device to determine the programming voltage Target power has been tested from 1 8 to 5v In USB mode the target must be 5v tolerant In PDI mode xmega chips are not 5v tolerant Connector Pinouts lt USB Power lt P1 oe Q1 o E USB Tiny 1 vki F al LO Powered m S Bowered O Ca H C5 1 2 12 MISO VTG DATA Voc SCK MOSI N C N C RST GND CLOCK GND ISP6PIN EL
4. its Advanced Hia Settings His Info Auta Erase Device 47 megal 28 Signature hot read Read Signature Programming Mode and Target Settings ISP mode Settings ISP Frequency 1250 kHz Detecting on LSB AVAISP mil with serial number 000040012825 found Getting isp parameter SD 0e06 OF Software Emulation Mode USBTinyMkIl is configured for hardware mode when shipped however LUFA can be configured for software emulation mode where the USBTinyMkIl will use a single header pinout identical to the official AVRISP MKII In software emulation mode the ISP PDI and TPI signals come from the single ISP header and the PDI and TPI headers are unused Changing a line in the project makefile found in the installed AVRISP MkIl LUFA directory will alter how the programmer operates By commenting line CDEFS DXPROG_VIA_HARDWARE_USART will set the option for software emulation mode Uncommenting it will cause it to run in full soeed hardware mode and is the default configuration when shipped Hardware mode brings the signals out the separate headers and runs faster than software emulation mode Preparing the Firmware The firmware for the USBTinyMkIl is entirely open source and can be downloaded from the LUFA project Board configuration files are available from the USBTinyMkIl site First copy the LUFA project to your hdd Next uncompress the configuration files into the Projects folder This wil
5. l copy the modified makefile into the AVRISP MkKII directory and add a Board subdirectory to it which has board specific files in it Configure the makefile line for hardware or software emulation if you wish Once configured run Make Clean and Make All from the AVRISP MkIlI directory and follow the Firmware Update directions below By default after compiling the update file will be in the LUFA Projects AVRISP MkIl directory Firmware Update To update the firmware you will need a copy of FLIP from Atmel Flexible In System Programmer or DFU Programmer Device Firmware Update programmer Following is a step by step to get the new firmware uploaded to your target programmer using FLIP To put the USBTinyMkii into DFU programming mode push and hold the HWB button While the HWB button is depressed press the RESET button then release both mer File Buffer Device Settings Help i A Te F 1 all PE Labuh EL ar Soe Sa Vey ae Operations Flow q4 FLASH Buffer Information 4TS0US6162 Signature Bytes See TAKE f Erase Range GG 0si TAN Beyice Boot 1de hecksum Geek F elink check Di 7 Poctoader ter Reset Before loading ae O iv Program HEX File M Reset Shap Apiako I i o E Communication FF Click on the chip icon or Device gt Select menu option and select the device from the dropdown menu at90usb162 Device Selection Click on the
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