pxt-calliope/docs/reference/pins/analog-set-pitch-pin.md

# Analog Set Pitch Pin

Specify which [pin](/device/pins) (P0, P1, P2) is used to generate tones.

```sig
pins.analogSetPitchPin(AnalogPin.P0)
```

### Parameters

* `name` - [String](/reference/types/string); the  pin name ("P0", "P1", or "P2")

### Example

```
pins.analogSetPitchPin(AnalogPin.P0)
let frequency = 440
let duration = 1000
pins.analogPitch(frequency, duration)
```

### Some common notes

* 440 = A4 on piano
* see [piano key frequencies ](https://en.wikipedia.org/wiki/Piano_key_frequencies) for more information

### See also

[micro:bit pins](/device/pins), [analog set period](/reference/pins/analog-set-period), [analog pitch](/reference/pins/analog-pitch)