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547a4b12 HK |
1 | ------------------------------------------------------------------------------- |
2 | AVR ISP / Atmel ATmega8L | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
5 | This is a set of example captures of the AVR in-system programming (ISP) | |
6 | protocol. The target was a board with an Atmel ATmega8L chip, and another | |
7 | microcontroller was used as master for the ISP process. | |
8 | ||
9 | Details: | |
10 | http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2486-8-bit-AVR-microcontroller-ATmega8_L_datasheet.pdf | |
11 | ||
12 | ||
13 | Logic analyzer setup | |
14 | -------------------- | |
15 | ||
16 | The logic analyzer used was a Saleae Logic (at 4MHz): | |
17 | ||
18 | Probe AVR ISP header | |
19 | ------------------------- | |
20 | 5 (green) MOSI | |
21 | 6 (blue) CLK | |
22 | 7 (violet) MOSI |