Arduino Symbol Audit

Thought for 4 mins 26 sec
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Referenced guidance.
1/4 Confirm official metadata and complete 30-pin naming

Confirm official metadata and complete 30-pin naming

Update MPN, package, and description

Update all terminal names and descriptions without changing pin numbers

Verify symbol-to-footprint mapping remains 1:1

Thought for 14 sec — Analyzing designator edits
Searched "Return the exact current project/part properties f..." — 677 results.
Thought for 30 sec — Identifying project components
Thought for 39 sec — Preparing project update
Created a thread
Arduino Nano R4 Metadata
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Reading Arduino Nano R4 Metadata's report…
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Created a thread
Nano R4 Metadata Audit
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Received notification from "Nano R4 Metadata Audit" that it finished — picking the work back up.

flux

Updated and independently verified all 30 terminal names and descriptions; numeric pin-to-pad mapping remains exactly 1:1, including both GND pins. The project description is corrected.
Open platform limitation: root MPN remains ABX00142_Arduino_Nano_R4_NUMERIC and package remains TO; attempted edits did not persist. I filed an internal platform report for these two blocked metadata fields.
Escalate metadata issue
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Files

Pins

Symbol

Layout

3D View

A4/SDA
Pin Number
8
D6/PWM
Pin Number
24
5V
Pin Number
12
D10/CS/PWM
Pin Number
28
A0/DAC
Pin Number
4
D12/CIPO
Pin Number
30
D2
Pin Number
20
D8
Pin Number
26
A5/SCL
Pin Number
9
D4/CAN_TX
Pin Number
22
A3/OPAMP_OUT
Pin Number
7
GND
Pin Number
19
D3/PWM
Pin Number
21
A6
Pin Number
10
D7
Pin Number
25
A7
Pin Number
11
D9/PWM
Pin Number
27
A1/OPAMP+
Pin Number
5
VIN
Pin Number
15
A2/OPAMP-
Pin Number
6
GND
Pin Number
14
+3V3
Pin Number
2
D11/COPI/PWM
Pin Number
29
D1/TX
Pin Number
16
AREF
Pin Number
3
D13/SCK
Pin Number
1
D5/PWM/CAN_RX
Pin Number
23
RST
Pin Number
18
D0/RX
Pin Number
17
BOOT
Pin Number
13
Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
Pin Description
D13/SCK
1
Bi-Directional
Digital I/O
Right
28
5 V GPIO D13; SPI Serial Clock (SCK).
+3V3
2
Power Out
Power
Left
1
3.3 V power output for external peripherals; keep load at or below 150 mA.
AREF
3
Input
Analog
Left
4
Analog voltage reference input for the ADC.
A0/DAC
4
Bi-Directional
Analog
Left
5
5 V GPIO; analog input A0; DAC output.
A1/OPAMP+
5
Bi-Directional
Analog
Left
6
5 V GPIO; analog input A1; operational-amplifier non-inverting input (OPAMP+).
A2/OPAMP-
6
Bi-Directional
Analog
Left
7
5 V GPIO; analog input A2; operational-amplifier inverting input (OPAMP-).
A3/OPAMP_OUT
7
Bi-Directional
Analog
Left
8
5 V GPIO; analog input A3; operational-amplifier output (OPAMP_OUT).
A4/SDA
8
Bi-Directional
Analog
Right
9
5 V GPIO; analog input A4; I²C Serial Data (SDA).
A5/SCL
9
Bi-Directional
Analog
Right
10
5 V GPIO; analog input A5; I²C Serial Clock (SCL).
A6
10
Bi-Directional
Analog
Right
11
5 V GPIO; analog input A6.
A7
11
Bi-Directional
Analog
Right
12
5 V GPIO; analog input A7.
5V
12
Power Out
Power
Right
2
5 V board power rail; USB-C input operating range is 4.8–5.5 V.
BOOT
13
Input
Control
Left
13
Boot mode selection input.
GND
14
Power In
Ground reference and power return.
VIN
15
Power In
Power
Right
3
External power input; recommended operating range 6–21 V DC.
D1/TX
16
Bi-Directional
Digital I/O
Left
16
5 V GPIO D1; Serial1 transmitter (TX).
D0/RX
17
Bi-Directional
Digital I/O
Left
15
5 V GPIO D0; Serial1 receiver (RX).
RST
18
Input
Control
Right
14
Board reset input; also connected to the onboard reset button.
GND
19
Power In
Ground
Left
29
Ground reference and power return.
D2
20
Bi-Directional
Digital I/O
Left
17
5 V GPIO D2.
D3/PWM
21
Bi-Directional
Digital I/O
Left
18
5 V GPIO D3; PWM output.
D4/CAN_TX
22
Bi-Directional
Digital I/O
Left
19
5 V GPIO D4; CAN transmit (CAN TX), external transceiver required.
D5/PWM/CAN_RX
23
Bi-Directional
Digital I/O
Left
20
5 V GPIO D5; PWM output; CAN receive (CAN RX), external transceiver required.

ABX00142