Function
-
A
B
C
D
E
F
H
I
Type
L22G(5) L22J L22N Pad Name EIC
ANAREF ADC
AC
PTC
SLCD
SERCOM(6)
SERCOM(6)
TC/TCC
TCC/RTC COM/RTC
AC/
GCLK/
SUPC
CCL
digital: input only
30
PC08
EIC/EXTINT[0]
SLCD/
LP[15]
31
PC09
EIC/EXTINT[1]
SLCD/
LP[16]
32
PC10
EIC/EXTINT[2]
SLCD/
LP[17]
SERCOM1/
PAD[2]
33
PC11
EIC/EXTINT[3]
SLCD/
LP[18]
SERCOM1/
PAD[3]
34
PC12
EIC/EXTINT[4]
SLCD/
LP[19]
SERCOM1/
PAD[0]
35
PC13
EIC/EXTINT[5]
SLCD/
LP[20]
SERCOM1/
PAD[1]
19
23
38
VLCD
20
24
39
PB11
EIC/EXTINT[11]
SLCD/
LP[21]
SERCOM3/
PAD[3]
TC/1/
WO[1]
TCC/
WO[5]
CCL/
OUT[1]
I2C: full Fm+.
Limited currents
for Sm, Fm
25
40
PB12
EIC/EXTINT[12]
SLCD/
LP[22]
SERCOM3/
PAD[0]
TC/0/
WO[0]
TCC/
WO[6]
26
41
PB13
EIC/EXTINT[13]
SLCD/
LP[23]
SERCOM3/
PAD[1]
TC/0/
WO[1]
TCC/
WO[7]
27
42
PB14
EIC/EXTINT[14]
SLCD/
LP[24]
SERCOM3/
PAD[2]
TC/1/
WO[0]
GCLK/
IO[0]
CCL/IN[9]
28
43
PB15
EIC/EXTINT[15]
SLCD/
LP[25]
SERCOM3/
PAD[3]
TC/1/
WO[1]
GCLK/
IO[1]
CCL/
IN[10]
44
PC14
EIC/EXTINT[6]
SLCD/
LP[26]
45
PC15
EIC/EXTINT[7]
SLCD/
LP[27]
I2C: Sm, Fm, Fm+ 21
29
46
PA12
EIC/EXTINT[12]
SLCD/
LP[28]
SERCOM4/
PAD[0]
SERCOM3/
PAD[0]
TCC/
WO[6]
AC/
CMP[0]
22
30
47
PA13
EIC/EXTINT[13]
SLCD/
LP[29]
SERCOM4/
PAD[1]
SERCOM3/
PAD[1]
TCC/
WO[7]
AC/
CMP[1]
23
31
48
PA14
EIC/EXTINT[14]
SLCD/
LP[30]
SERCOM4/
PAD[2]
SERCOM3/
PAD[2]
TCC/
WO[4]
GCLK/
IO[0]
24
32
49
PA15
EIC/EXTINT[15]
SLCD/
LP[31]
SERCOM4/
PAD[3]
SERCOM3/
PAD[3]
TCC/
WO[5]
GCLK/
IO[1]
25
35
52
PA16
EIC/EXTINT[0]
PTC/
X[28]
SLCD/
LP[32]
SERCOM1/
PAD[0]
SERCOM2/
PAD[0]
TCC/
WO[6]
GCLK/
IO[2]
CCL/IN[0]
26
36
53
PA17
EIC/EXTINT[1]
PTC/
X[29]
SLCD/
LP[33]
SERCOM1/
PAD[1]
SERCOM2/
PAD[1]
TCC/
WO[7]
GCLK/
IO[3]
CCL/IN[1]
27
37
54
PA18
EIC/EXTINT[2]
PTC/
X[30]
SLCD/
LP[34]
SERCOM1/
PAD[2]
SERCOM2/
PAD[2]
TCC/
WO[2]
AC/
CMP[0]
CCL/IN[2]
28
38
55
PA19
EIC/EXTINT[3]
PTC/
X[31]
SLCD/
LP[35]
SERCOM1/
PAD[3]
SERCOM2/
PAD[3]
TCC/
WO[3]
AC/
CMP[1]
CCL/
OUT[0]
56
PC16
EIC/EXTINT[8]
SLCD/
LP[36]
57
PC17
EIC/EXTINT[9]
SLCD/
LP[37]
digital: input only
58
PC18
EIC/EXTINT[10]
SLCD/
LP[38]
59
PC19
EIC/EXTINT[11]
SLCD/
LP[39]
60
PC20
EIC/EXTINT[12]
SLCD/
LP[40]
CCL/IN[9]
61
PC21
EIC/EXTINT[13]
SLCD/
LP[41]
CCL/
IN[10]
39
64
PB16
EIC/EXTINT[0]
SLCD/
LP[42]
SERCOM5/
PAD[0]
TC/2/
WO[0]
TCC/
WO[4]
GCLK/
IO[2]
CCL/IN[11]
40
65
PB17
EIC/EXTINT[1]
SLCD/
LP[43]
SERCOM5/
PAD[1]
TC/2/
WO[1]
TCC/
WO[5]
GCLK/
IO[3]
CCL/
OUT[3]
66
PB18
EIC/EXTINT[2]
SLCD/
LP[44]
SERCOM5/
PAD[2]
SERCOM3/
PAD[2]
TCC/
WO[0]
67
PB19
EIC/EXTINT[3]
SLCD/
LP[45]
SERCOM5/
PAD[3]
SERCOM3/
PAD[3]
TCC/
WO[1]
68
PB20
EIC/EXTINT[4]
SLCD/
LP[46]
SERCOM3/
PAD[0]
SERCOM5/
PAD[0]
TCC/
WO[2]
69
PB21
EIC/EXTINT[5]
SLCD/
LP[47]
SERCOM3/
PAD[1]
SERCOM5/
PAD[1]
TCC/
WO[3]
29
41
70
PA20
EIC/EXTINT[4]
PTC/
XY[16]
SLCD/
LP[48]
SERCOM0/
PAD[0]
SERCOM2/
PAD[2]
TC/3/
WO[0]
TCC/
WO[6]
GCLK/
IO[4]
30
42
71
PA21
EIC/EXTINT[5]
PTC/
XY[17]
SLCD/
LP[49]
SERCOM0/
PAD[1]
SERCOM2/
PAD[3]
TC/3/
WO[1]
TCC/
WO[7]
I2C: Sm, Fm, Fm+ 31
43
72
PA22
EIC/EXTINT[6]
PTC/
XY[18]
SLCD/
LP[50]
SERCOM0/
PAD[2]
SERCOM2/
PAD[0]
TC/0/
WO[0]
TCC/
WO[4]
CCL/IN[6]
32
44
73
PA23
EIC/EXTINT[7]
PTC/
XY[19]
SLCD/
LP[51]
SERCOM0/
PAD[3]
SERCOM2/
PAD[1]
TC/0/
WO[1]
TCC/
WO[5]
USB/SOF_1KHZ
CCL/IN[7]
33
45
74
PA24
EIC/EXTINT[12]
SERCOM2/
PAD[2]
SERCOM5/
PAD[0]
TC/1/
WO[0]
TCC/
WO[0]
USB/DM
CCL/IN[8]
34
46
75
PA25
EIC/EXTINT[13]
SERCOM2/
PAD[3]
SERCOM5/
PAD[1]
TC/1/
WO[1]
TCC/
WO[1]
USB/DP
CCL/
OUT[2]
37
49
78
PB22
EIC/EXTINT[6]
SERCOM0/
PAD[2]
SERCOM5/
PAD[2]
TC/3/
WO[0]
TCC/
WO[2]
USB/SOF_1KHZ GCLK/
IO[0]
CCL/IN[0]
Atmel SAM L22G / L22J / L22N [DATASHEET]
Atmel-42402E-SAM L22G / L22J / L22N_Datasheet_Complete-07/2016
28