void setup() {
analogWriteResolution(12); // set to 12 bits
analogWrite(A12, 4095); // value 0 - 4095, 0V - 3.3V
}
void loop() {
}
#elif defined(__MKL26Z64__)
if (analog_reference_internal) {
ADC0_SC2 = ADC_SC2_REFSEL(0); // external AREF
} else {
ADC0_SC2 = ADC_SC2_REFSEL(1); // vcc
}
#endif