Arduino UNO WiFi Rev2 Schematics

Arduino
Brand
Arduino
Model
UNO WiFi Rev2
Type
Schematics
~
~
~
~
~
0
1
2
3
4
5
6
7
8
9
10
11
12
13
GND
AREF
SDA
SCL
A5
A4
A3
A2
A1
A0
VIN
GND
GND
3V3
5V
RST
IOREF
5V Domain
3.3V Domain Power Supply
XAn, XBn labels 3.3V <- 5V
YAn, YBn labels 3.3V -> 5V
MISO
SCK
RESET
+5V
MOSI
GND
Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS. Arduino SA 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 SA 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 SA 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
ARDUINO and other Arduino brands and logos and Trademarks of Arduino SA. All Arduino SA Trademarks cannot be used without owner's formal permission
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
GND
GND
4u7
100n
GND
VDD
+3V3
+3V3
GND
GND
VDD
VDD +3V3
+3V3
VUSB
GND
GND
VDDVUSB VDD
GND
YELLOW
1k
GND
VIN
VIN
VDD
GND
+3V3
GND 0R
DNP
+5V
+5V
VDD
100k
GND
100k
VDDVDD
GND VDD VDD
GND
+3V3VDD
+3V3VDD
0R
GND
GND
12
34
56
SPI1
C2
C1
USR R1
R2
R3
R11
24
1
IC1
53
VDDVSS
IC1P
24
1
IC2
R5
53
VDDVSS
IC2P
R4
1
JP1
HOLDER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
JDIGITAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
JANALOG
UC1
TRG_RSTSNS
UPDI
TRG_RST
GND VDD
DBG_TX
DBG_RX
LED_BUILTIN
PC[0..7]
PA[0..7]
PB[0..5]
PD[0..7]
PE[0..3]
PF[0..5]
CRYPTO1
SDA
SCL GND
VDD
MEDBG1
VDD
VUSB
GND
DBG_TX
DBG_RX
TRG_RSTSNS
TRG_RST
UPDI
IMU1
MOSI
SCK
MISO
INT
CS
+3V3
GND
2XTRANSLATOR1
+3V3
B2
B1
A2
A1
+5V
GND
WIFI/BLE1
GPIO0
TX
RX
ACK
MISO
MOSI
SCK
CS
REMOTE_RST
SCL
SDA
+3V3
GND
RST
UPDI_REMOTE
PWR1
GND
+3V3
VUSB VIN_EXT
+5V
16XTRANSLATOR1
+5V
+3V3
GND
YB2YA2
XB3XA3
XA2 XB2
XB5XA5
XA6 XB6
YA3 YB3
YB4YA4
YA1 YB1
YB0YA0
XB7XA7
2XTRANSLATOR2
+3V3
B2
B1
A2
A1
+5V
GND
PA[0..7]
PB[0..5]
PC[0..7]
PD[0..7]
PE[0..3]
PF[0..5]
PA3
PA2
PD7
TRG_RST
TRG_RST
TRG_RST
TRG_RST
PD5
PD4
PD3
PD2
PD1
PD0
PC5
PC4
PA0
PF5
PC6
PB2
PF4
PA1
PE3
PB0
PB1
PE0
PE1
PE2
PC0
PC0
PC2
PC2
PC1
PC1
PA5
PA4
PA6
PF2
PF3
PC7
PB3
UPDI_REMOTE
UPDI_REMOTE
PA7
Arturo Guadalupi
Main Block
Scheme
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
Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS. Arduino SA 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 SA 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 SA 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
ARDUINO and other Arduino brands and logos and Trademarks of Arduino SA. All Arduino SA Trademarks cannot be used without owner's formal permission
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
ATMEGA4809
4u7
100n
VDD
GND GND
GND
DNP
VDD
100k
VDD
330R
100n
GND
39R
-
GND
32768Hz
20p20p
GNDGND
GND
GND
100n
GND
VDD
100n
VDD
GND
PB03
7PB02
6PB01
5PB00
4PA07
3PA06
2PA05
1
PB04
8
PB05
9
PC00
10
PC01
11
PC02
12
PC07
19 PC06
18 PC05
17 PC04
16 GND
15 VDD
14 PC03
13
PD00
20
PD01
21
PD02
22
PD03
23
PD04
24
PE01 31
PE00 30
GND 29
AVDD 28
PD07 27
PD06 26
PD05 25
PE02 32
PE03 33
PF00 34
PF01 35
PF02 36
GND 43
VDD 42
UPDI 41
RST/PF06 40
PF05 39
PF04 38
PF03 37
(EXTCLK)PA00 44
PA01 45
PA02 46
PA03 47
PA04 48
U1
C1
C2
R1
R2
R3
C3
R4 1
2
3
4
5
PB1
Y1
C4C5
C6
C7
PA[0..7]
PB[0..5]
PF[0..5]
PE[0..3]
PD[0..7]PC[0..7]
PA5
PA6
PA7
PA4
PA3
PA2
PA1
PA0
PB0
PB1
PB2
PB3
DBG_RX
DBG_RX
UPDI
TRG_RST
TRG_RSTSNS
PF2
PF3
PF4
PF5
PE3
PE2
PE1
PE0
PD7
LED_BUILTIN
PD5
PD4
PD3
PD1
PD0
PD2
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
DBG_TX
DBG_TX
Arturo Guadalupi
ATMEGA4809
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
ECC608 ECC608
GND GND
VDD
100n
SCL
6
SDA
5
U1A
EP 9
GND
4
NC 1
NC 2
NC 3
NC 7
VCC
8
U1B
C1SDA
SCL
Arturo Guadalupi
Cryptochip
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS. Arduino SA 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 SA 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 SA 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
ARDUINO and other Arduino brands and logos and Trademarks of Arduino SA. All Arduino SA Trademarks cannot be used without owner's formal permission
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
4n7
1M
GND GND
GND
0.5A
BLM18PG471
1n 1n
GND GND
VUSB
PRTR5V
ATMEGA32U4RC
VUSB
VDD
330R
GND GND
GND
GND
GND
1u
GND
100k
100n
VDD
GND
VDD
100n
GND
1k
1k
100n
GND
VDD
0R
1k
1k
YELLOW
YELLOW
VDD VDD
100k
VDD
DNP
GND
100n
GND
VDD
100n
GND
VDD
16MHz
GND
GND
12pF
12pF
GND GND
VDD
GND
22R
22R
D+
D-
VBUS
GND
SHIELD1*2
USB1
C1
R1
F1
L1
C2 C3
1
2
3
4
D1
UCAP
6UGND
5D+
4D-
3UVCC
2PE06
1
VBUS
7
PB00
8
PB01
9
PB02
10
PB03
11
XTAL1
17 XTAL2
16 GND
15*2 VCC
14 RST
13 PB07
12
PD00
18
PD01
19
PD02
20
PD03
21
PD05
22
PB04 28
PD07 27
PD06 26
PD04 25
AVCC 24
GND 23
PB05 29
PB06 30
PC06 31
PC07 32
PE02 33
PF04 39
PF05 38
PF06 37
PF07 36
GND 35
VCC 34
PF01 40
PF00 41
AREF 42
GND 43
AVCC 44
U1
R2
C4
R3
C5
C6
R4
R5
C7
R6
R7
R8
LTX
LRX
R9
R10
C8
C9
X1
C10
C11
RST
SCK
MISO
MOSI
VDDGND
R11
R12
TP1
USB_P
USB_N
UPDI
DBG_RX
DBG_TX
TRG_RST
TRG_RSTSNS
mEDBG
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
USB
S
S
+3V3
+3V3
GND
100n
GND 100n
GND
CS 12
GND
6
GND
7
INT1
4
INT2 9
NC 11
OCS 10
SCL 13
SCX
3
SDA 14
SDO/SA0
1
SDX
2
VDD 8
VDDIO
5
C1
C2
INT
MISO
MOSI
SCK
CS
Arturo Guadalupi
IMU 6DOF
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
1.2-3.6V 1.65-5.5V
TXS0102
+3V3
+5V
GND
100k
+3V3
100n
GND
100n
100n
GND
GND
A1
A2
B1
B2
GND
OE
VCCA
VCCB
U1
R5
C1
C2
C3
A1
A2
B1
B2
Arturo Guadalupi
2 Bits Level
Shifter
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
NINA-W102
NINA-W132
GND
+3V3+3V3
100n
100n
GND
GND
100n
GND
100k
+3V3
GND
100k
GND
0R
0R
330R
330R
330R
GND
BSS138PS
BSS138PS
GND
100k
GND
DNP
0R
SPIV_DI/GPIO23
1
ADC2/GPIO34
2
ADC3/GPIO39
3
ADC4/GPIO36
4
LPO_IN/GPIO32 5
GPIO33
7
SPIV_HD/RMII_TXEN/GPIO21
8
RMII_RXD0/DAC16/GPIO25
16
RMII_RXD1/DAC17/GPIO26
17
RMII_CRSDV/GPIO27
18
UART_RTS/RMII_TXD1/SPIV_WP/GPIO22
20 UART_CTS/RMII_TXD0/SPIV_D0/GPIO19
21
UART_TXD/GPIO1
22
UART_RXD/GPIO3
23
RMII_MDIO/GPIO4
24
RMII_MDCLK/GPIO2
25
RMII_CLK/GPIO0
27
ADC34/GPI35
34
JTMS/GPIO14 31
JTDO/GPIO15 32
JTCLK/GPIO13 35
GPIO12 36
RESET_N 19
ANT 13
SPIV_CLK/GPIO18
29 SPIV_CS/GPIO5
28
U1A
GND
6*17 VCCIO 9
VCC 10
U1B
C1
C2
C3
R1
R2
R3
R4
DL1
R5
R6
R7
2
61
Q1-1
5
34
Q1-2
R8
R9
R10
RST
MISO
SDA
SCL
GPIO0
SCK
TX
RX
CS
MOSI
ACK
REMOTE_RST
UPDI_REMOTE
Arturo Guadalupi
WiFi BLE SoC
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
Red
Grn
Blue
47u
47u
GND
GND
GND
100n
GND
1N4007
VUSB
10k
DMP2160 DMP2160
GND
330R
DMP2160 DMP2160
10k
100k
100k
GND GND
100k
100n
GND
10u 10u
GND GND
100n
GND
+3V3
GREEN
330R
GND
+5V
BSS138PS
BSS138PS
GND
GND
MPM3610
100k19k1
GND
100k
53k6
GND
-
J101
C1
C2 C3
D1
R27
D1*2
G1
S1
Q1A
D2*2
G2
S2
Q1B
R26
D1*2
G1
S1
Q2A
D2*2
G2
S2
Q2B
R28
R24
R23
R25
C14
C4 C5
C6
ON R1
2
61
Q5-1
5
34
Q5-2
AAM
18
AGND
3
BST 11
EN
17
FB 1
GND
12*3
OUT 7*4
SW 4*4
VCC
2
VIN
16
IC5
R2R29
R30
R31
1
IN
3OUT 2*2
IC1
VIN_EXT
Power
Arturo Guadalupi
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
+
+
3V3 to 5V5V to 3V3
T/Rn = HIGH -> A to B Direction T/Rn = LOW -> B to A Direction
A to B
B to A
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
A B
GND GND
+3V3
100n
100n
GND
GNDGNDGND
GND
100n
+3V3
GND
GND
100k
100n
GND GND GND
+5V+5V
+5V
168
U2-5
159
U2-6
1410
U2-7
VDDVSS
12 1
U2VCCA
VDDVSS
13 23*2
U2VCCB
T/R
2
OE
22
GND
11
U2CTRL
C4
C5
177
U4-4
213
U4-0
204
U4-1
VDDVSS
12 1
U4VCCA
C3
VDDVSS
13 23*2
U4VCCB T/R
2
OE
22
GND
11
U4CTRL
R4
C6
1410
U4-7
186
U4-3
195
U4-2
168
U4-5
159
U4-6
213
U2-0
204
U2-1
195
U2-2
186
U2-3
177
U2-4
XB7XA7
XA2
XA3
XA5
XA6 XB6
XB5
XB3
XB2
YA0
YA1
YA2
YA3
YA4
YB0
YB1
YB2
YB3
YB4
16 Bits
Level Shifter
Arturo Guadalupi
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
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Arduino UNO WiFi Rev2 Schematics

Arduino
Brand
Arduino
Model
UNO WiFi Rev2
Type
Schematics
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