App note: 8-bit RISC microcontroller


Here’s an app note (PDF!) for In-System Programming Solution for AVR microcontrollers from Atmel:

• Complete In-System Programming Solution for AVR Microcontrollers
• Covers All AVR Microcontrollers with In-System Programming Support
• Reprogram Both Data Flash and Parameter EEPROM Memories
• Complete Schematics for Low-cost In-System Programmer
• Simple Three-wire SPI Programming Interface

This application note shows how to design the system to support In-System Program- ming. It also shows how a low-cost In-System Programmer can be made, that will allow the target AVR microcontroller to be programmed from any PC equipped with a regular 9-pin serial port. Alternatively, the entire In-System Programmer can be built into the system allowing it to reprogram itself.

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1 Comment

  1. Wow, really feeling nostalgias. Last time I programmed with a serial AVR programmer was before the year 2000.
    While ISP still exists, serial programmers are now found in the museum.

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