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avr_isp: add dump for ATmega328/P
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rudis authored and abraxa committed Feb 27, 2024
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32 changes: 32 additions & 0 deletions avr_isp/atmega328p/README.txt
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AVR ISP / Atmel ATmega328/P
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This is an example capture of the AVR in-system programming (ISP) protocol.

The device used for ISP was a Bus Pirate v3.5 with firmware v6.1.

The target was an Arduino UNO board with an Atmel ATmega328/P chip.

The PC software used for controlling the programmer was avrdude 7.1.


Logic analyzer setup
--------------------

The logic analyzer used was a Saleae Logic Clone (at 4MHz):

Probe AVR ISP header
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1 MOSI
2 MISO
3 SCK
4 RST


Data
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The following avrdude commands were captured:

avrdude -p atmega328p -c buspirate -P /dev/ttyUSB0 -v
Binary file not shown.

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