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STK with LCD Tutorial for learning assembly language for the
AVR-Single-Chip-Processors
(AT90S, ATmega and ATtiny) from ATMEL with practical examples.
The Single-Chip-processors of ATMEL are excellent for homebrewing every kind of processor-driven electronics. The only problem is that assembly has to be learned in order to program these devices. After having done these first steps the assembly language provides very fast, lean and effective code, by which every task can be accomodated. These pages are for beginners and help in learning the first steps.

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since:Description and linkSource code
02.02.2017A tumbling double dice with an ATmega16 Dice_M16
12.01.2017A course with 14 lectures to learn AVR controller hard- and software in assembler -
05.01.2017New version 3.6 of the command line assembler gavrasm.-
25.11.2016 Infrared receiver and three channel switch, self-learning, with an ATtiny13 switch
22.12.2015New version 3.5 of the command line assembler gavrasm.-
05.01.2015A graphical software tool to design different keypad resistor matrices -
27.12.2014A new introduction to gavrasm with extended batch and shell script chapters using the newly introduced return code feature of gavrasm
26.12.2014New version 3.4 of the command line assembler gavrasm.-
20.12.2014Connecting a 12 or 16 keypad to an AVR using an ADC, with sotware to calulate the resistor matrix-
18.05.2012New version 3.3 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win (and via an external link for MAC OS X), in german, englisch, french and turkish, now more efficient.-
18.05.2012New version 3.2 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win (and via an external link for MAC OS X), in german, englisch, french and turkish for 216 AVR device types, corrects some errors and improves some features.-
29.04.2012 Adjustable LED chain sequencer with an ATtiny13 ledlight_tn13_v1
Controlling the intensity of two LED lines with potentiometers utilizing an ATtiny13 ledline_tn13_v1
Tumbling dice with an ATtiny13 dice_tn13_v1
05.03.2011Digital clock and alarm timer with an ATmega16 digiclock
05.02.2011All about IR remote control, measuring signals, analysing data results, transmitting and receiving ir_remote
tn45_tx
ircsb
10.01.20118-by-8 LED matrix display with an ATmega16 LED grave
09.01.2011New version 2.8 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win (and via an external link for MAC OS X), in german, englisch and french for 178 AVR device types), corrects errors for some ATtiny types -
31.10.2010New version 2.7 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win (and via an external link for MAC OS X), in german, englisch and french for 178 AVR device types), corrects an error in the symbol table output in version 2.6-
25.02.2010New version 2.5 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win, in german, englisch and french for 159 AVR device types), corrects a serios error in version 2.4-
16.01.2010New version 2.4 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win, in german, englisch and french for 159 AVR device types)
03.10.2009UV-LED array with an ATtiny2313 as exposure timer Timer
25.05.2009New version 2.3 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win, in german, englisch and french for 115 AVR device types), corrects two serious errors -
14.04.2009 Reworked the page on structuring source code, windows program for generating source code frame files with a standard design and all necessary sections header_tn13.asm
avr_head.zip
23.03.2009 Portuguese version of the beginner course in one pdf document-
10.01.2009Frequency counter with ATmega8, nine modes, LCD, 16 MHz xtal fcountV03
28.12.2008 Updated version of the beginner course in one pdf document-
23.12.2008New version 2.2 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win, in german, englisch and french for 115 AVR device types) -
28.09.2008Added 16-by-24-bit hardware multiplication-
20.01.2008Hardware multiplication with ATmega-
28.06.2007Steppermotor controller/driver with an ATtiny13 stepper.asm
02.12.2006New version 2.1 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win)-
05.11.2006An eggtimer with a ATtiny2313 as a gift eggtimer.asm
29.09.2006New version 2.0 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win)-
13.08.2006New version 1.9 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win)-
16.07.2006New version 1.8 of the command line assembler gavrasm (free Assembler for Linux, Dos and Win)
Persian version of the beginner's course on the new Download page
-
25.05.2006An adjustable digital signal generator with LCD Zipped
sources
04.05.2006New version 1.7 of gavrasm (free AVR assembler for download). Corrects a bug in the ELIF directive.-
17.04.2006Added a sitemap of the whole site-
17.04.2006Page on connecting a 4*3 keypad to an AVR-
28.12.2005New version 1.6 of gavrasm (free AVR assembler for download). Adds support for new CAN-, Tiny- and one new Mega-Type.-
27.09.2005New version 1.5 of gavrasm (free AVR assembler for download). Corrected two minor bugs. -
28.03.2005Accu cell loader hardware and assembler software applying an ATmega16 akkuload.asm
zipped
28.03.2005Added a description of advanced directives like conditional assembly and on left shift of port bits in the beginner course.-
27.03.2005New version 1.3 of gavrasm (free AVR assembler for download). Corrected false EEPROM capacity of two ATmega and added support for the new types ATmega 640, 1280, 1281, 2560 and 2561.-
08.03.2005New version 1.2 of gavrasm (free AVR assembler for download). Corrected some minor bugs and added support for the new types ATtiny25, 45 and 85.-
06.01.2005New version 1.1 of gavrasm (free AVR assembler for download). Corrected some minor bugs in the MACRO treatment, finally added support for the historic program counter PC. -
03.01.2005Applying an R/2R resistor network for Digital-to-Analog conversion and generating waveforms sawtooth1
sawtooth2
triangle
sinewave and
wavetable music
09.10.2004New version 1.0 of gavrasm (free AVR assembler for download. Added support for ATmega325 etc., an extra error file and others.
New version of the window caller, assimilated to gavrasm 1.0
-
28.03.2003gavrasm (Free AVR assembler) in improved version 0.9 for download. Added support for ATmega48/88/168 now.-
15.02.2004gavrasm (Free AVR assembler) in improved version 0.8 for download. Corrects some minor errors. Also, a new version of the convenient window caller for the command line assembler for free download. -
30.12.2003Beginner course as complete PDF file for download available-
20.10.2003gavrasm (Free AVR assembler) in improved version 0.7 for download. Corrects an error with AT90S1200, adds the new AVR type ATtiny2313, provides IFDEVICE directive for type-specific code.-
09.09.2003New version of the convenient window caller for the command line assembler, improved editor for include files, viewing the list file, error finder, etc. for free download here. -
03.09.2003gavrasm (Free AVR assembler) in improved version 0.6 for download. Corrects an error with negative numbers, adds several AVR types, provides nested IF/ELSE/ENDIF.-
26.08.2003Convenient window caller for the command line assembler, simple editor for the source file, viewing the list file, etc. for free download here. -
16.08.2003gavrasm (Free AVR assembler) in improved version 0.5 for download. Corrects an error in the instruction set of AT90S1200 in previous versions.-
21.07.2003gavrasm (Free AVR assembler) in improved version 0.4 for download. For convenient calling the assembler I have a window caller for free download.-
14.06.2003gavrasm (Free AVR assembler) in improved version 0.3 for download.-
31.05.2003gavrasm (Free AVR assembler) in improved version 0.2 for download-
17.05.2003Analog-to-Digital-Conversion using the analog comparator and timer/counter 1 of the AT90S8515 on board a STK500 ADC8.asm
09.05.2003Fixed decimal point numbers 8-Bit ADC
10-Bit ADC
24.12.2002Free AVR assembler for download -
14.09.2002 Introduction to Studio Version 4 -
23.08.2002 Hardware programming equipment for the beginner -
11.08.2002Creating tables in the program flash memory-
13.04.2002Connecting a 2-line-LCD to a STK500 port, with a date/time software clockLcd4IncE.asm
Lcd4IncCE.asm
02.02.2002All instructions and many terms in the assembler source files (HTML format) of the example pages are now linked to the description in the beginner course, so you can easily have more explanation on them.-
02.02.2002Added a page on assembler directives and expressions-
06.01.2002Added number format conversion tutorial and routines and restructured the calculation pages, removed several minor HTML syntax errors.CONVERT.asm
03.01.2002Renewed all assembler source files: commands in lower case letters to be more compatible with the editor from ATMEL (which still is not as advanced - compared to Tan's -, let me know if you need the Linux FPK or Win-Delphi Pascal sources for the self-written software if you have a similiar job to do), added a new index page to all source files source
file
index
16.12.2001Binary math
(multiplication and division)
MULT8E.asm
DIV8E.asm
01.12.2001Moved these pages from http://www.dg4fac.de to this new location at http://www.avr-asm-tutorial.net due to elevated traffic.-
10.07.2001Structure of asm source code8515STD.asm
24.09.2001Intro to the studio version 3.52-
12.08.2001Beginner's introduction to AVR assembler language-
14.01.2001DCF synchronised clock with serial interface in a 2313CLOCK.asm
Echoes serial characters back as hex, for the STK200 board SIOHEX.asm
23.12.2000Small application page -
PCM to Analogue Decoder for remote control systems PCM2PWG4.asm
Terminal controlled pulse generator PWGSIO2.asm
09.12.2000Examples for the use of macros in assembler language!TESTMAC1.asm
TESTMAC2.asm
TESTMAC3.asm


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