Benjamin Valentin bfb3d52a63 cpu/sam0_common: implement periph/dac ... The sam0 MCUs all have a DAC peripheral. The DAC has a resulution of 10 or 12 bits and can have one or two output channels. The output pins are always hard-wired to PA2 for DAC0 and PA5 for DAC1 if it exists. On the same54-xpro I would only get a max value of ~1V when using the internal reference, so I configured it to use an external voltage reference. The external reference pin is hard-wired to PA3, so you'll have to connect that to 3.3V to get results.		2020-05-02 18:31:55 +02:00
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periph_cpu.h	cpu/sam0_common: implement periph/dac	2020-05-02 18:31:55 +02:00