This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 1 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
I2C Default
SPI Default
UART/USART Default
Other SERIAL Communication
Analog Default
PWM/Timer
LED
RGB LED
Other
Li-Po
3.7 V
Li-Po 3.7 V
ANNA B112
SDA
SCL
NC
VDDIO_EXT
GND
VBAT
NTC
VIN_BQ25120 IN
LS/LDO
GPIO6
GPIO16
GPIO14
BAT
TS
0
1
2
3
1
2
3
4
5
6
7
8
9
1
2
4
P0_10
P0_09
P0_20
P0_23
P0_22
J2
U9 PMIC
BQ25120AYFPR
U3 Syntiant AI Sensor
NDP120-WLBGA42
GPIO15
U3 Syntiant AI Sensor
NDP120-WLBGA42
J3
LPIO1_EXT/RX
LPIO2_EXT/TX
LPIO3_EXT
P0_24
LPIO0_EXT
P0_29
P0_27
P0_28
P0_11
P0_30
P0_02 10
11
9
7
8
6
NC
5
J1
ADC1
CS
COPI
CIPO
SCLK
ADC2
1
2
3
4
5
6
7
8
If the battery has NTC cable,
connects it to the NTC pin J3-1
The battery also connects
with the Battery Connector J4
on the bottom of the board
If LS/LDO pin is enabled, it is possible to
configure the Nicla to work at 3.3V or 1.8V;
depending on the configuration the maximum
input voltage can be 3.3V or 1.8V
Disabling the LS/LDO pin output of
the PMIC it is possible to power the
level translators with the VDDIO_EXT pin
at a different voltage rather than 3.3V
LS/LDO pin is an output of an LDOin the
PMIC, it is enabled by defaultat 3.3V
WARNING Do NOT connect two
batteries at the same time
BOTTOM VIEW
NTC cable
not mandatory
The battery also connects
to header pins J3-2 VBAT,
J2-6 GND, J3-1 NTC
WARNING Do NOT connect two
batteries at the same time
TOP VIEW
TOP VIEW
This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 2 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
LED
RGB LED
Other
Pads between the
headers of J2, from P1
to P8, are test pins
WARNING must be left
unconnected, used only for
debug practicies
It is possible to connect to
these without soldering by
connecting a 50 mil header
U1 Micro
SAMD11 J3
NC P1
NC P2
SWDIO SWDIO_ANNA P3
SWDCLK SWDCLK_ANNA P4
RESETRESET P5
SWDIO_D11PA_30
PA_03
PA_02
P6
SWDCLK_D11PA_31 P8
+1V8 P7
BOTTOM VIEW
This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 3 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
LED
RGB LED
Other
TOP VIEW BOTTOM VIEW
LEDR
LEDG
LEDB
SDA
P0_15
SCL
P0_16
V_PMID
OUT1
OUT2
OUT3
U8 RGB LED Driver
IS31FL3194
RESET
RESET
PB1 Reset Button
PTS830GM140SMTRLFS
RGB LED
1
2
GND
3
PDM_D0
4
PDM_CLK
J6 Syntiant External
Microphone Connector
FH33J-4S-0.5SH
AUD1_PDAT/GPIO13
AUD1_PCLK0/GPIO11
U3 Syntiant AI Sensor
NDP120-WLBGA42
+1V8 1
+5V
2
P0_19 INT
3
P0_23 SCL
4
P0_22 SDA
5
GND
1
VBUS
2
D-
3
D+
5
GND
IN
U14 LDO
AP2112K-3.3TRG1
AUD1_PCLK1/GPIO12
SCL/GPIO20
SDA/GPIO21
U3 Syntiant AI Sensor
NDP120-WLBGA42
PA_24
PA_25
U1 USB Bridge
SAMD11
J5 ESLOV
Connector
J7 USB Micro
Connector
3
GND
2
NTC
1
BAT VBAT
U9 PMIC
BQ25120AYFPR
J4 Battery
Connector
TS
WARNING!
Advanced Section
The following information is for advanced use only and
may not be officially supported by Arduino software
This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 5 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
LED
RGB LED
Other
TOP VIEW BOTTOM VIEW
TOP VIEW
USB USB
BOTTOM VIEW
Y
X
ZY
X
Z
CLK
P0_00
XTALINP/CLK
Y1 Oscillator
32.7680kHz
SIT1532AI
U3 Syntiant AI Sensor
NDP120-WLBGA42
CS
GPIO1
SCK
MSCK
SDI
MCOPI
SDO
MCIPO
INT
GPIO24
DRDY
AUD0_PCLK1/GPIO9
U4 Magnetometer
BMM150
U3 Syntiant AI Sensor
NDP120-WLBGA42
SDO
MCIPO
SDx
MCOPI
SCx
MSCK
CSB
GPIO0
INT
GPIO23
U4 IMU 6 Axis
BMI270
U3 Syntiant AI Sensor
NDP120-WLBGA42
CLOCK
AUD0_PLCK0/GPIO8
DATA
AUD0_PDAT/GPIO10
SELECT
+1V8_MIC
U2 Microphone
IM69D130V01XTSA1
U3 Syntiant AI Sensor
NDP120-WLBGA42
U3 Syntiant AI Sensor
NDP120-WLBGA42
SCLK P0_03
GPIO6 P0_10
AUD2/SDO/GPIO16 P0_09
AUD2/WS/GPIO14 P0_20
AUD2/SCK/GPIO15 P0_24
SSB P0_31
COPI/SIO0 P0_04
A3
SDA/GPIO21 P0_22
A5
A4
A3
A2
A1
A8
A7
CIPO/SIO1/GPIO26 P0_05 A6
SCL/GPIO20 P0_23 A2
A4
GPIO12 P0_19
INT/GPIO19 P0_14
U9 PMIC
BQ25120AYFPR
MR RESET
SCL P0_16
SDA P0_15
CD P0_25
U1 USB Bridge
SAMD11
PA_08 P0_09
PA_31/SWDIO
PA_02 SWDIO
PA_04
U7 128Mb Flash
AT25QL128A
CS P0_26
SI P0_04
SCK P0_03
SO P0_05
U11 Level Shifter
TXB0108YZPR
U12 Level Shifter
NTS0304EUKZ B3
J3-P8/SWDIO_D11
PA_30/SWCLK J3-P6/SWDCLK_D11
J3-P3/SWDIO_ANNA
B2
PA_03 SWCLK J3-P4/SWDCLK_ANNA
B1
OE
PA_05
VDDIO
P0_20 B4
U13 Level Shifter
NTS0304EUKZ Pin Name
+3V3
U14 LDO
AP2112K-3.3TRG1
This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 6 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
LED
RGB LED
Other
TOP VIEW BOTTOM VIEW
VCCA
VCCB
+1V8
P0_24 A1GPIO38
P0_20 A2
GPIO45
P0_09 A3
GPIO21
P0_10 A4
GPIO22
P0_11 A5
SCLK1
P0_28 A6
CIPO1
P0_27 A7
COPI1
P0_29 A8
CS1
OE
VDDIO_EXT
VDDIO_EXT
J1-1
GPIO6
GPIO16
GPIO14
GPIO15
B1
LPIO0_EXT
J2-3 B2
LPIO1_EXT
J2-4 B3
LPIO2_EXT
J2-5 B4
LPIO3_EXT
J1-6 B5
SCLK1_EXT
J1-5 B6
CIPO1_EXT
J1-4 B7
COPI1_EXT
J1-3 B8CS1_EXT
Pin Name
U12 NTS0304EUKZ
VCCA
VCCB
+1V8
A1
P0_22 A2
SDA1
P0_23 A3
SCL1
P0_19 A4
INT_ESLOV
VDDIO_EXT
B1
J2-1 B2
SDA1_EXT
NC
NC
J2-2 B3
SCL1_EXT
ESLOV J5-2 INT B4INT_ESLOV_EXT
OE
VDDIO_EXT
Pin Name
LEVEL SHIFTERS
U11 TXB0108YZPR
U3 Syntiant AI Sensor
NDP120-WLBGA42
GPIO12
SCL/GPIO20
SDA/GPIO21
U3 Syntiant AI Sensor
NDP120-WLBGA42
U13 NTS0304EUKZ
VCCA
VCCB
+1V8
A1
SWDIO
SWCLK
A2 PA02_1V8
P0_09
A3 TX_1V8
PO_20
A4 RX_1V8
+3V3
B1
B2 PA_02
PA_03
PA03_1V8
B3 PA_08
B4 PA_05
OE PA_04
PA_08
PA_05
PA_04
PA_03
PA_02
U1 USB Bridge
SAMD11
This work is licensed under
the Creative Commons
Attribution-ShareAlike 4.0
International License. To view a
copy of this license, visit http://
creativecommons.org/licenses/
by-sa/4.0/ or send a letter to
Creative Commons, PO Box 1866,
Mountain View, CA 94042, USA.
SKU code: ABX00061
Full Pinout - Page 7 of 7
Last update: 7 Oct, 2022
CIPO/COPI have previously been
referred to as MISO/MOSI
MAXIMUM LPIOs are driven by
bidirectional translators powered
by VDDIO_EXT. These translators
are meant for low power and can
only drive very limited current.
Please check translator datasheet
for details.
VDDIO_EXT is software
programmable between 1.8 and 3.3V
Legend:
Power Power Input
Power Output
Ground
GPIO Digital External
Analog External
Main Part
Secondary Part
Internal Component
Other Pins (Reset, System
Control, Debugging)
LED
RGB LED
Other
BOTTOM VIEWTOP VIEW
Test Points
D+
D-
3V3
USB
SCLK_SENSOR
CS1_SENSOR
COPI_SENSOR
CIPO_SENSOR
SPI Sensors
CS0
COPI0
CIPO0
SCLK0
CLK_32.768kHz
Internal SPI
-
1
-
2
-
3
-
4
-
5
-
6
-
7
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