Schematic

ReferenceDesignsAREPROVIDED"ASIS"AND"WITHALLFAULTS.ArduinoLLCDISCLAIMSALLOTHERWARRANTIES,EXPRESSORIMPLIED, REGARDINGPRODUCTS,INCLUDINGBUTNOTLIMITEDTO,ANYIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORA PARTICULARPURPOSE ArduinoLLCmaymakechangestospecificationsandproductdescriptionsatanytime,withoutnotice.TheCustomermustnot relyontheabsenceorcharacteristicsofanyfeaturesorinstructionsmarked"reserved"or"undefined."ArduinoLLCreserves theseforfuturedefinitionandshallhavenoresponsibilitywhatsoeverforconflictsorincompatibilitiesarisingfromfuturechangestothem. TheproductinformationontheWebSiteorMaterialsissubjecttochangewithoutnotice.Donotfinalizeadesignwiththisinfo
D21G18
ECC508
100n
GND
GND
GND
GND
+3V3
+3V3
GND
100n
1u
100n
100n
100n
4u7
GND
+3V3
BLM18PG471
+3V3
GREEN
390R
ORANGE
330R
VIN
MFFSMF050
100k
GND
GND
SIA817
SIA817
GND
PMEG6020
GND
SARA-U201
GND
GND
100n
GND
15p
GND
100n
GND
100uF 100uF100uF
GND GND GND
+1V8
GND
1k
GND
10k
BLM18EG221
BQ24195L
GND
GND
1u
GND
47n
330R
GND
10u 10u
GND GND
4u7
GND
10u10u
GNDGND
10k
2u2
10k 10k
GND
+3V3
+5V
10k
GND
5k49
GND
AP721533
GND
+3V3
1u 1u
GND GND
+3V3
2N7002
GND
10k
10n
GND
3V8
3V8
+3V3
PMEG6020
3V8
+3V3
DNP
DNP
+1V8
PESD0402
GND
GND
GND
2N7002DW-7-FNO_PAD
56p
GND
+1V8
EP
49
GND
18
GND
35
GND
42
GNDANA
5
VDDANA
6
VDDCORE
43
VDDIN
44
VDDIO
17
VDDIO
36
U1B
EP
9
GND
4
NC
1
NC
2
NC
3
NC
7
VCC
8
U4B
C18
C23
C25
C24
C21
C17 C27
L3
DL3
R27
DL2
R23
F2
R19
D*2
G
S
Q2A
Q2B
1
2
J7
D2
BATT-
BATT+
GND
1
GND
84
GND
83
GND
82
GND
80
GND
81
GND
54
GND
55
GND
57
GND
91
GND
79
GND
67
GND
66
GND
64
GND
65
GND
63
GND
61
GND
60
GND
59
GND
58
GND
90
GND
89
GND
88
GND
87
GND
86
GND
85
GND
3
GND
14
GND
5
GND
20
GND
21
GND
22
GND
30
GND
32
GND
43
GND
50
GND
68
GND
69
GND
70
GND
71
GND
72
GND
73
GND
74
GND
75
GND
76
GND
77
GND
78
GND
92
GND
93
GND
94
GND
95
GND
96
RSVD
49
RSVD
31
RSVD
33
RSVD
44
RSVD
45
RSVD
46
RSVD
47
RSVD
48
SIM_CLK
38
SIM_DET
42
SIM_IO
39
SIM_RST
40
VCC
53
VCC
52
VCC
51
VSIM
41
V_BCKP
2
V_INT
4
U3B
I/O
IO
VPP
VPP
GND
GND*6
CLK
CLK
RST
RST
VCC
VCC
SW
SW
C32
C30C29C31 C34C33
R32
R31
L4
VBUS
1*2
PMID
23
OTG
8
D+
2
D-
3
STAT
4
SDA
6
SCL
5
INT
7
CE
9
SW
19*2
BTST
21
REGN
22
TS2
12
TS1
11
ILIM
10
BAT
13*2
SYS
15*2
PGND
17*2
TH
25
U5
C14
C15
R28
C19 C20
C16
C13C12
R26
L2
R25 R24
R29
R30
1
IN
2*2
OUT
3
U6
C22 C26
Q3
R21
C28
D3
R7
R17
D4
D5
D6
Q5-1
5
34
C37
VBATT/1.4B
SVCC
SVCC
SRST
SRST
SRST
SCLK
SCLK
SCLK
SSW
SIO
SIO
SIO
V_BCKP/1.6B
PA27_INT/1.4B
PA09_S0_I2C_SCL/1.7C
PA08_S0_I2C_SDA/1.7C
PA18_OTG/1.2B
USB_P/1.2B
USB_N/1.2B
ArturoGuadalupi
A
B
C
D
E
1 2 3 4 5 6 7 8
A
B
C
D
E
1 2 3 4 5 6 7 8