_BV(REFS1) | _BV(MUX1) | _BV(MUX0),
// 1: pwmled 1: 1.1V, ADC0,1 (PA0,1), gain 1 or 8
_BV(REFS1) | _BV(MUX3) | _BV(MUX2),
- // 2: pwmled 2: 1.1V, ADC2,1 (PA2,1), gain 1 or 8
- _BV(REFS1) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0),
+ // 2: pwmled 2: 1.1V, ADC2,1 (PA2,1), gain 20 or 32
+ _BV(REFS1) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1),
// 3: ambient light: 1.1V, ADC4 (PA5), single-ended
_BV(REFS1) | _BV(MUX2),
// 4: batt voltage: 1.1V, ADC5 (PA6), single-ended