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Arduino Nano ESP32 User Manual

Arduino Nano ESP32
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Arduino® Nano ESP32
9 / 20 Arduino® Nano ESP32 Modified: 17/07/2023
7 System
7.1 Resets
The ESP32-S3 has support for four levels of reset:
CPU: resets CPU0/CPU1 core
Core: resets the digital system, except for the RTC peripherals (ULP coprocessor, RTC memory).
System: resets the entire digital system, including the RTC peripherals.
Chip: resets the entire chip.
It is possible to conduct a software reset of this board, as well as obtaining the reset reason.
To do a hardware reset of the board, use the onboard reset button (PB1).
7.2 Timers
The Nano ESP32 has the following timers:
52-bit system timer with 2x 52-bit counters (16 MHz) and 3x comparators.
4x general-purpose 54-bit timers
3x watchdog timers, two in main system (MWDT0/1), one in the RTC module (RWDT).
7.3 Interrupts
All GPIOs on the Nano ESP32 can be configured to be used as interrupts, and is provided by an interrupt matrix.
Interrupt pins are configured on an application level, using the following configurations:
LOW
HIGH
CHANGE
FALLING
RISING
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Arduino Nano ESP32 Specifications

General IconGeneral
MicrocontrollerESP32-S3
Flash Memory16 MB
Digital I/O Pins14
Analog Input Pins8
Operating Voltage3.3 V
Input Voltage (VIN)6-21V
DC Current per I/O Pin40 mA
Dimensions18 x 45 mm
USBUSB-C
Wi-Fi802.11 b/g/n
Architecture32-bit
Clock Speed240 MHz
CommunicationUART, SPI, I2C
BluetoothBluetooth® LE

Summary

The Board

ESP32 Core

Recommended Operating Conditions

Block Diagram

Board Topology

NORA-W106-10B Module

Xtensa LX7 Microprocessor

Details of the ESP32-S3's dual-core LX7 microprocessor, including speed and memory.

Wi-Fi Connectivity

Specifications for the NORA-W106-10B module's Wi-Fi capabilities, including standards and range.

Bluetooth LE Features

Details on the NORA-W106-10B module's Bluetooth LE v5.0 features, data rates, and connectivity.

System Overview

Serial Communication Protocols

Serial Peripheral Interface (SPI)

Universal Asynchronous Receiver/Transmitter (UART)

External Flash Memory

USB Connector

Power Options

Pin Voltage Specifications

VIN Input Voltage Rating

GPIO Pin Current Limits

Pinout Diagram

Analog Pinout (JP1)

Lists pins, functions, types, and descriptions for the analog header (JP1).

Board Operation Basics

Arduino Web Editor Guide

Arduino IoT Cloud Integration

Board Recovery Procedure

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