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Commit f6b07ea9 authored by Răzvan-Ştefan COSTEA's avatar Răzvan-Ştefan COSTEA Committed by Alexandru RADOVICI
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Fix mistake about DDRx bit significance

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slides/lectures/resources/gpio_avr/slides.md
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......@@ -20,7 +20,7 @@ A simple GPIO
<br>
> <b> DDRx - Data Direction Register. </b> If the data direction bit is 1, the pin is an input. 0 is an output.
> <b> DDRx - Data Direction Register. </b> If the data direction bit is 0, the pin is an input. 1 is an output.
```c
DDRB &= ~(1<<DDB7); // Makes pin PB7 an input
......
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