Questions tagged [isp]

In System Programming. Updating a part's memory while it is on the end product's PCB.

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AVR ISP - SCK pin shared with LED

I made a board with an AVR Attiny MCU and an ISP connection. I missed that I made the SCK pin an output for an LED. Luckily, this arrangement seems to work; I can program the chip just fine. But, during programming the SCK signal from the programmer…
imjosh
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