USBasp merupakan in-circuit programmer untuk mikrokontroler Atmel AVR. Rangkaiannya menggunakanATMega48 atau ATMega8 dan beberapa komponen pasif lainnya. Programmer atau downloader ini menggunakan sebuah penggerak USB hanya-firmware (firmware-only USB driver), tidak memerlukan pengontrol USB khusus.
Fitur-fitur
- Bisa digunakan untuk berbagai macam platform, sudah diuji untuk Linux, Mac OS dan Windows;
- Tidakmemerlukan pengontrol atau komponen smd khusus;
- Kecepatan pemrograman bisa mencapai 5kByte/detik;
- Opsi SCK untuk mendukung mikrokontroler target yang berkecepatan rendah.
PCB layouts
Dibawah ini beberapa layout PCB yang sudah siap pakai : | Official USBasp kit Oleh Fisch und Fischl GmbH Official USBasp kit with case and preprogrammed controller. No smd parts.  Offiziellen USBasp Bausatz bestellen | |
 | usbasp_single_side.t3001.zip (Yang direkomendasikan) Oleh Thomas Fischl Single-Side PCB, TARGET 3001! layout file Size: 90x40 mm (optimized for case Hammond 1591ATBU) | |
 | lv_usbasp.tar.gz by Pawel Szramowski (11/2007) With Low-voltage front-end. Single-Side PCB, EAGLE layout files, some SMD components | |
 | http://bwalle.de/docs/usbasp/ by Bernhard Walle Double-Side PCB, EAGLE layout files, part list with order numbers for Reichelt.de and Conrad.de Size: optimized for case Hammond 1591ATBU | |
 | http://thomaspfeifer.net/atmel_usb_programmer.htm by Thomas Pfeifer Single-Side PCB, PDF layout files, SMD components | |
 | http://ostry.w.szu.pl/misc.php#USBasp by Tomasz Ostrowski Single-Side PCB, PDF and EPS layout files, only four 0805 SMD parts, rest discrete components | |
 | USBasp_CH.zip by Christian Heigemeyr Single-Side PCB, with some SMD 0805 components, PDF-files With additional buttons for reset and disconnection of the target | |
 | USBasp.sch, USBasp.pcb ComponentSide.pdf, TopSide.pdf, Schematics.pdf by Zhurov Pavel Single-Side PCB, P-CAD 2002 format and PDF files Crosspiece TXD and RXD are added for the ISP connector | |
 | usbasp_gr.rar by J.A. de Groot The board is single sided (EAGLE format), measures 3 by 8 cm and uses only regular components. USBasp Howto (in Dutch). There is also a pdf file with 6 devices on one euro-card. Semoga bermanfaat. | |
 | usbasb_mg.zip by Matthias Görner Single-Side PCB, eagle-format, with PS/PDF-files integrated sockets for target chips ATmega8 and ATmega32 | |
 | Tarball with layout by Hannes Östlund Doubleside-Side PCB, SMD components, very small | |
 | http://mcuusage.org.ua/ForAmateurs/Miscellaneous/USBasp_eng.aspx by Sergiy Bogdancev (01/2010) 3.3V version, ATMega48 only. Single-side PCB, ExpressPCB layout format + socket board for varies AVRs. Without future serial interface, chip initially must be programmed with another programmer. | |
 | Eaglefiles (sch/brd) and CAD case design (dxf) by Hans Hafner, HTL Mössingerstrasse-Klagenfurt, Österreich, hans.hafner (at) htl-klu (dot) at (01/2010) CNC-milled case (DXF file available), Eagle layout, only a few SMD parts |
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