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Updated: April 25, 2000

8051-Architecture - Application Notes

Get Acrobat File Using a Personal Computer to Program the AT89C51/C52/LV51/LV52/C1051/C2051 (8 pages, updated 12/97)
This Application Note describes how to build a PC based programmer for the Atmel family of Microcontrollers See Software section to download apcpgm.exe.
 
Get Acrobat File AT89C51 In-Circuit Programming (11 pages, updated 9/97)
This Application Note illustrates the in-circuit programmability of the Atmel AT89C51 Microcontroller. See Software section to download asppgm.exe.
 
Get Acrobat File Controlling FPGA Configuration with a Flash-based Microcontroller (7 pages, updated 12/97)
This Application Note shows how to reconfigure an SRAM based FPGA using a flash based Microcontroller. See Software section to download afpgamcu.exe.
 
Get Acrobat File Programming Atmel's Family of Flash Memories (4 pages, updated 12/97)
This Application Note demonstrates the capability of programming the entire family of Atmel Flash Memories through the usage of a single Atmel Microcontroller. See Software section to download aflash.exe.
 
Get Acrobat File Analog-to-Digital Conversion Utilizing the AT89CX051 MCU (6 pages, updated 12/97)
This Application Note describes how to build a low cost A/D converter with the Atmel 20-Pin Microcontrollers. See Software section to download aadc.exe.
 
Get Acrobat File Interfacing 24CXXX Serial EEPROMs with AT89CX051 MCU (4 pages, updated 10/98)
This Application Note illustrates a software based I2C interface between AT89CX051 Microcontrollers and the AT24CXX type of Serial EEPROMs. See Software section to download aat24cxx.exe.
 
Get Acrobat File Interfacing 93CXXX Serial EEPROMs with AT89CX051 MCU (4 pages, updated 10/98)
This Application Note demonstrates interfacing AT89CX051 Microcontrollers to the AT93CXX 3-Wire type of Serial EEPROMs. See Software section to download aat93cxx.exe.
 
Get Acrobat File Interfacing 25CXXX Serial EEPROMs with AT89CXX (4 pages, updated 10/98)
This Application Note demonstrates interfacing AT89CXX microcontrollers to the AT25CXX Serial EEPROMs. See Software section to download aat25cxx.exe.
 
Get Acrobat File A Digital Thermometer Using the AT89C2051 MCU (3 pages, updated 12/97)
This Application Note uses the AT89C2051 to implement a simple digital thermometer system. See Software section to download asmproc.exe.
 
Get Acrobat File Using the AT89C2051 MCU as Virtual Machine (11 pages, updated 12/97)
This Application Note uses the AT89C2051 to implement an imaginary processor with a unique architecture and instruction set. See Software section to download avirtual.exe.
 
Get Acrobat File Two-Wire Peripheral Expansion for the AT89C2051 MCU (9 pages, updated 12/97)
This Application Note details an expandable I/O and memory expansion framework centered around the AT89C2051. See Software section to download aexpdctl.exe.
 
Get Acrobat File "Designing Boards with Atmel AT89C51/52, AT89C1051 for writing Flash at In-Circuit Test " (5 pages, updated 12/97)
This Application Note details how to write nonvolatile memories during in-circuit testing operations.
 
Get Acrobat File AT89S8252 Primer (13 pages, updated 3/98)
"The AT89S8252 is a low-power, high-performance device featuring 8K bytes of Flash memory (CMOS PEROM), 2K bytes of EEPROM, and a Serial Peripheral Interface (SPI)."
 
Get Acrobat File AT89S8252 In-System Programming (38 pages, updated 12/97)
This Application Note illustrates the in-system programmability of the Atmel AT89SXXXX (S-series) Microcontrollers. A method is shown by which an AT89S8252 can be programmed remotely over a standard telephone line. See Software section to download isp_app.zip.