D21-DIP24 Pin layout GCLK
I2S
I2C Type
TCC CH/WO
SD[0]
TCC CH/WO
2016/1/30 Dairoku Sekigcuchi
SERCOM SERCOM CH/PAD CH/PAD
DAC
PTC PIN
AC AIN
ADC CH
VOUT
Y[0]
[0]
Y[1]
[1]
VREFA
EIC EXTINT
PIN
PIN
REF
[2]
PA02
GND
[3]
PA03
NC
EIC EXTINT
AC CMP
PTC PIN
SERCOM SERCOM /PAD /PAD
TCC /WO
TCC CH/WO
I2C Type
I2S
GCLK
0/[0]
0/[0]
Y[2]
[0]
[4]
[4]
PA04
PA28
[8]
IO[0]
0/[1]
0/[1]
Y[3]
[1]
[5]
[5]
PA05
PA27
[15]
IO[0]
1/[0]
0/[2]
Y[4]
[2]
[6]
[6]
PA06
PA23
[7]
X[11]
3/[1]
5/[1]
4/[1]
0/[5]
SCL
IO[7]
1/[1]
0/[3]
Y[5]
[3]
[7]
[7]
PA07
PA22
[6]
X[10]
3/[0]
5/[0]
4/[0]
0/[4]
SDA
IO[6]
SD[1]
SDA
1/[2]
0/[0]
2/[0]
0/[0]
X[0]
[16]
NMI
PA08
PA19
[3]
[1]
X[7]
1/[3]
3/[3]
3/[1]
0/[3]
MCK[0]
SCL
1/[3]
0/[1]
2/[1]
0/[1]
X[1]
[17]
[9]
PA09
PA18
[2]
[0]
X[6]
1/[2]
3/[2]
3/[0]
0/[2]
SD[0]
IO[4]
SCK[0]
0/[2]
1/[0]
2/[2]
0/[2]
X[2]
[18]
[10]
PA10
PA17
[1]
X[5]
1/[1]
3/[1]
2/[1]
0/[7]
SCL
IO[3]
IO[5]
FS[0]
0/[3]
1/[1]
2/[3]
0/[3]
X[3]
[19]
[11]
PA11
PA16
[0]
X[4]
1/[0]
3/[0]
2/[0]
0/[6]
SDA
IO[2]
3.3V out
PA15
[15]
2/[3]
4/[3]
3/[1]
0/[5]
IO[1]
5.0V input
PA14
[14]
2/[2]
4/[2]
3/[0]
0/[4]
IO[0]
D21-DIP24 Pin layout cheatsheet
2016/1/30 Dairoku Sekigcuchi
PTC
DAC
ADC
PA02
GND
PTC
-------
ADC
PA03
NC
TCC
SERCOM
PTC
AC
ADC
PA04
PA28
TCC
SERCOM
PTC
AC
ADC
PA05
PA27
TCC
SERCOM
PTC
AC
ADC
PA06
PA23
-------
PTC
SERCOM
TCC
I2C
I2S
-------
TCC
SERCOM
PTC
AC
ADC
PA07
PA22
-------
PTC
SERCOM
TCC
I2C
I2S
I2C
TCC
SERCOM
PTC
-------
ADC
PA08
PA19
AC
PTC
SERCOM
TCC
-------
I2S
I2C
TCC
SERCOM
PTC
-------
ADC
PA09
PA18
AC
PTC
SERCOM
TCC
I2S
-------
TCC
SERCOM
PTC
-------
ADC
PA10
PA17
-------
PTC
SERCOM
TCC
I2C
I2S
-------
TCC
SERCOM
PTC
-------
ADC
PA11
PA16
-------
PTC
SERCOM
TCC
I2C
3.3V out
PA15
-------
------- SERCOM
TCC
5.0V input
PA14
-------
------- SERCOM
TCC
I2S
