2.3 Pinout and Multiplexing

Package/Pin NumberPin NameSpecialABCDEFGHIP

VQFN TQFP

VQFN

SSOP SPDIP

EXTINTADC0PTCACnSERCOMnTCnTCC0SWCLKCCLn, ACn OUTGCLKnPTC
64-pin48-pin32-pin28-pin28-pinPosNegEXTCINTX/Y
6244302622PA00EXTINT[0]0,PAD[0](2)1,PAD[0]0,WO0WO00,IN01,IO
6345312723PA01NMI0,PAD[1](2)1,PAD[1]0,WO1WO10,IN12,IO
6446322824PA02EXTINT[2]AINP2AINN20,PAD[2]1,PAD[2]1,WO0WO20,IN23,IOX2/Y2
1471125PA03EXTINT[3]AINP3AINN30,PAD[3]1,PAD[3]1,WO1WO30,OUT0,IOX3/Y3
2482226PA04EXTINT[4]AINP4AINN40,PAD[0](2)1,IOX4/Y4
313327PA05EXTINT[5]AINP5AINN50,PAD[1](2)AC1(4)2,IOX5/Y5
424428PA06EXTINT[6]AINP6AINN60,PAD[2]0,OUT3, IOX6/Y6
53551PA07NMIAINP7AINN70,PAD[3]AC0(4)0,IOX7/Y7
6VDD
7GND
84PB00EXTINT[0]1,PAD[0]WO0
95PB01EXTINT[1]1,PAD[1]WO1
106PB02EXTINT[2]1,PAD[2]WO2
117PB03EXTINT[3]1,PAD[3]WO3
128PB04EXTINT[4]
139PB05EXTINT[5]
14PB06EXTINT[6]
15PB07EXTINT[7]
1610662PA08VDDIO2(3)EXTINT[8]1,PAD[2] 0,PAD[2]1,WO0WO01,IN01.IO
1711773PA09VDDIO2(3)EXTINT[9]1,PAD[3]0,PAD[3]1,WO1WO11,IN12,IO
1812884PA10VDDIO2(3)EXTINT[10]1,PAD[0] 0,PAD[0](2)0,WO0WO21,IN23,IO
1913995PA11VDDIO2(3)EXTINT[11]1,PAD[1] 0,PAD[1](2)0,WO1WO31,OUT1,IO
201410106VDDIO2
2115GND
2216PA12VDDIO2(3)EXTINT[12]1,PAD[2]
2317PA13VDDIO2(3)EXTINT[13]1,PAD[3]AC1(4)
2418PA14VDDIO2(3)EXTINT[14]1,PAD[0]1,OUT
2519PA15VDDIO2(3)EXTINT[15]1,PAD[1]AC0(4)
2620PA16EXTINT[0]AINP16AINN16

0,N1 1,N1

WO02,IN0X16/Y16
272111117PA17EXTINT[1]AINP17AINN17WO12,IN1X17/Y17
282212128PA18EXTINT[2]AINP18AINN18

0,P0 1,P0

WO22,IN2X18/Y18
292313139PA19EXTINT[3]AINP19AINN19

0,N0 1,P1

WO32,OUTX19/Y19
3024141410PA20SWDIOEXTINT[4]AINP20AINN20

0,P5 1,P2

1,PAD[0]2,WO02,IO

X20/Y20

3125151511PA21EXTINT[5]AINP21AINN21EXTCINT0

0,P6 1,N0/P5

1,PAD[1]2,WO13,IO

X21/Y21

3226161612PA22EXTINT[6]AINP22AINN22EXTCINT1

0,P3 1,P3

1,PAD[2]2,OUT1, IOX22/Y22
3327171713PA23VREFAEXTINT[7]AINP23AINN23

0,N2 1,N2

1,PAD[3]0,IOX23/Y23
3428181814AVDD
3529191915AGND
3630PB08EXTINT[8]AINP40AINN400,P1WO0X40/Y40
3731PB09EXTINT[9]AINP41AINN41WO1X41/Y41
3832PB10EXTINT[10]AINP42AINN420,P2WO2X42/Y42
3933PB11EXTINT[11]AINP43AINN43WO3X43/Y43
40PB12EXTINT[12]AINP44AINN44X44/Y44
41PB13EXTINT[13]AINP45AINN45X45/Y45
42PB14EXTINT[14]AINP46AINN46X46/Y46
43PB15EXTINT[15]AINP47AINN47X47/Y47
4434202016PA24XTAL32K1EXTINT[8]AINP24AINN241,PAD[2]WO03,IN01,IOX24/Y24
4535212117PA25XTAL32K2EXTINT[9]AINP25AINN251,PAD[3]WO13,IN12,IOX25/Y25
463622PA26EXTINT[10]AINP26AINN261,PAD[0]WO23,IN23,IOX26/Y26
473723PA27EXTINT[11]AINP27AINN271,PAD[1]WO33,OUTX27/Y27
483824PA28EXTINT[12]AINP28AINN28X28/Y28
493925PA29EXTINT[13]AINP29AINN291,IOX29/Y29
5040262218PA30RESETNMI
5141272319PA31SWCLKEXTINT[15]AINP31AINN311,PAD[0]0,PAD[2]SWCLK0,IOX31/Y31
52PB16EXTINT[0]WO0
53PB17EXTINT[1]WO1
54PB18EXTINT[2]WO2
55PB19EXTINT[3]WO3
5642282420VDD
5743292521GND
58PB20EXTINT[4]2,WO0
59PB21EXTINT[5]2,WO1
60PB22EXTINT[6]
61PB23EXTINT[7]
  1. To select pin positions, refer to the PORT chapter.
  2. This pin supports I2C with SERCOM0.
  3. This pin is on the VDDIO2 power domain. For usage and properties, refer to the MVIO description in the SUPC - Supply Controller and the Electrical Characteristics sections.
  4. The output of the Analog Comparator to the pin can be used as an input to the CCL. Refer also to the CCL - Configurable Custom Logic section.