// +build sam,atsamd21 arduino_nano33 circuitplay_express

package machine

// Return the current CPU frequency in hertz.
func CPUFrequency() uint32 {
	return 48000000
}

// Hardware pins
const (
	PA00 Pin = 0
	PA01 Pin = 1
	PA02 Pin = 2
	PA03 Pin = 3
	PA04 Pin = 4
	PA05 Pin = 5
	PA06 Pin = 6
	PA07 Pin = 7
	PA08 Pin = 8
	PA09 Pin = 9
	PA10 Pin = 10
	PA11 Pin = 11
	PA12 Pin = 12
	PA13 Pin = 13
	PA14 Pin = 14
	PA15 Pin = 15
	PA16 Pin = 16
	PA17 Pin = 17
	PA18 Pin = 18
	PA19 Pin = 19
	PA20 Pin = 20
	PA21 Pin = 21
	PA22 Pin = 22
	PA23 Pin = 23
	PA24 Pin = 24
	PA25 Pin = 25
	PA26 Pin = 26
	PA27 Pin = 27
	PA28 Pin = 28
	PA29 Pin = 29
	PA30 Pin = 30
	PA31 Pin = 31
	PB00 Pin = 32
	PB01 Pin = 33
	PB02 Pin = 34
	PB03 Pin = 35
	PB04 Pin = 36
	PB05 Pin = 37
	PB06 Pin = 38
	PB07 Pin = 39
	PB08 Pin = 40
	PB09 Pin = 41
	PB10 Pin = 42
	PB11 Pin = 43
	PB12 Pin = 44
	PB13 Pin = 45
	PB14 Pin = 46
	PB15 Pin = 47
	PB16 Pin = 48
	PB17 Pin = 49
	PB18 Pin = 50
	PB19 Pin = 51
	PB20 Pin = 52
	PB21 Pin = 53
	PB22 Pin = 54
	PB23 Pin = 55
	PB24 Pin = 56
	PB25 Pin = 57
	PB26 Pin = 58
	PB27 Pin = 59
	PB28 Pin = 60
	PB29 Pin = 61
	PB30 Pin = 62
	PB31 Pin = 63
)