Features
- Works under multiple platforms. Linux, Mac OS X and Windows are tested.
- No special controllers or smd components are needed.
- Programming speed is up to 5kBytes/sec.
- SCK option to support targets with low clock speed (< 1,5MHz).
- Planned: serial interface to target (e.g. for debugging).
Download
Firmware and circuit
The following packages include circuit and firmware.usbasp.2011-05-28.tar.gz (519 kB) TPI support (upcoming release of avrdude will use it), supports programmers with ATMega88 and ATMega8.
usbasp.2009-02-28.tar.gz (260 kB)
usbasp.2007-10-23.tar.gz (172 kB)
usbasp.2007-07-23.tar.gz (176 kB)
usbasp.2006-12-29.tar.gz (118 kB) Supports programmers with ATMega48 and ATMega8.
usbasp.2006-09-16.tar.gz (116 kB) New VID/PID!
usbasp.2005-11-14.tar.gz (175 kB)
usbasp.2005-07-03.tar.gz (166 kB)
usbasp.2005-04-21.tar.gz (169 kB)
Please refer to Readme.txt for details on building, installing and using USBasp.
Drivers
On Linux and MacOS X no kernel driver is needed. Windows requires a driver for USBasp:usbasp-windriver.2011-05-28.zip (70 kB)
How to install USBasp drivers on Windows 8 Installing Usbasp Driver Software in Windows 8.1Software
- AVRDUDE supports USBasp since version 5.2.
- BASCOM-AVR supports USBasp since version 1.11.9.6.
- Khazama AVR Programmer is a Windows XP/Vista GUI application for USBasp and avrdude.
- eXtreme Burner - AVR is a Windows GUI Software for USBasp based USB AVR programmers.
Hardware
Schematic
Partlist
| Partnumber | Value | Reichelt No |
|---|---|---|
| C1 | 4,7u | RAD 4,7/35 |
| C2 | 100n | X7R-5 100N |
| C3, C4 | 22p | KERKO 22P |
| D1, D2 | 3V6 zener | ZF 3,6 |
| CON1 | USB-B | USB BW |
| CON2 | 10pol | WSL 10W |
| IC1 | ATmega8-16 | ATMEGA 8-16 (not programmed!) |
| JP1, JP2 | 2pol 2,54mm | SL 1X36G 2,54 |
| LED1 | 3mm LED green | LED 3MM 2MA GN |
| LED2 | 3mm LED red | LED 3MM 2MA RT |
| Q1 | 12Mhz | 12,0000-HC49U-S |
| R1, R2 | 68 | 1/4W 68 |
| R3 | 2,2k | 1/4W 2,2k |
| R4, R5, R6, R7 | 270 | 1/4W 270 |
| R8 | 10k | 1/4W 10k |
| R9, R10 | 1k | 1/4W 1k |
| M1, M2 | Jumper | JUMPER 2,54GL SW |
| M3 | Socket 28S | GS 28-S |
| M4 | Case | TEKO 10007 |
| M5 | PCB | - |
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