AVR-Doper is an STK500 compatible In-System Programmer (ISP) and High Voltage Serial Programmmer (HVSP). It comes with a built-in USB to Serial adaptor to connect directly to USB.Here are some features:HVSP allows using RESET pin for I/O, which is especially beneficial on 8 and 14 pin devices. Simple hardware which can be built on a single sided PCB. No special USB chips are needed. Compatible to Atmel’s STK500 with built-in USB to Serial converter.Adjustable ISP clock allows flashing of devices clocked at very low rate, e.g. 32 kHz.ISP clock can be lowered with a jumper (if the programmer software does not support setting the ISP clock). Second USB to Serial converter for processing debug output from the target.HVSP connector compatible to HVProg, another STK500 compatible programmer . Open Source (including firmware and schematics). Uses USB power supply, no external supply required.

Check out STK500 Compatible AVR Programmer
Go to STK500 Compatible AVR Programmer
www.obdev.at