ESP32-U4WDH

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ESP32-U4WDH

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WIFI BT COMBO 4MB FLASH QFN48

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series ESP32
ProductStatus Active
Type TxRx + MCU
RFFamily/Standard Bluetooth, WiFi
Frequency 2.4GHz
Power-Output 19.5dBm
MemorySize 4MB Flash, 448kB ROM, 520kB SRAM
SerialInterfaces I²C, I²S, SPI, UART
MountingType Surface Mount
Package/Case 48-QFN

Overview

Description

The ESP32-U4WDH is a powerful microcontroller module developed by Espressif Systems, known for its high performance, low power consumption, and versatile connectivity options. It is part of the ESP32 series, which is widely used for IoT applications. The U4WDH variant is built around the Tensilica Xtensa dual-core 32-bit LX6 microprocessor, capable of running at up to 240 MHz. It features integrated Wi-Fi and Bluetooth capabilities, making it suitable for a wide range of wireless communication tasks.
The module includes various peripherals such as multiple GPIOs, ADCs, DACs, UART, SPI, I2C, and PWM, enabling it to interface with numerous sensors and devices. It also supports secure boot, flash encryption, and hardware-based cryptographic features for enhanced security. The ESP32-U4WDH is commonly used in smart home devices, wearables, industrial automation, and embedded systems due to its scalability and flexibility. With extensive development tools and community support, it is a popular choice for both hobbyists and professionals in the field of electronics and IoT.

Equivalent

The ESP32-U4WDH is a popular wireless module used for IoT applications. Equivalent products include:
1. ESP32-WROOM-32: Another variant from Espressif with similar functionality.
2. ESP32-WROVER: Offers extra RAM and an integrated PSRAM.
3. ESP8266: A lower-cost alternative with less processing power and features.
4. Nordic nRF52840: Offers Bluetooth 5 and a powerful ARM Cortex-M4 processor.
5. Microchip ATSAMD21: A general-purpose microcontroller with various wireless communication options.
These alternatives vary in features, capabilities, and pricing.

Features

The ESP32-U4WDH is a powerful and versatile microcontroller from Espressif Systems, designed for IoT and embedded applications. Key features include:
1. Processor: It is equipped with a dual-core Tensilica LX6 microprocessor, providing ample processing power.
2. Wi-Fi and Bluetooth: The chip supports both Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR and BLE), enabling robust wireless connectivity.
3. Memory: It integrates 4 MB of flash memory, offering sufficient storage for complex applications and data.
4. Low Power Consumption: Optimized for low power consumption, it's suitable for battery-operated devices.
5. Rich Interfaces: Features multiple GPIOs along with interfaces like SPI, I2C, I2S, CAN, UART, and PWM, facilitating diverse peripheral integration.
6. Security: Includes hardware encryption and secure boot features to ensure data integrity and security.
7. Temperature Range: Operates within an extended temperature range, making it suitable for industrial applications.
8. Form Factor: Available in a compact QFN package, facilitating easy integration into a wide range of designs.
This combination of features makes the ESP32-U4WDH ideal for developing smart devices and connected solutions.

Pinout

The ESP32-U4WDH is a variant of the ESP32 series microcontroller from Espressif Systems, which is known for its integration of Wi-Fi and Bluetooth functionalities. The ESP32-U4WDH typically comes in a QFN package with 48 pins.
Key functions of the ESP32-U4WDH include:
- Wi-Fi and Bluetooth Connectivity: Integrated 2.4 GHz Wi-Fi and Bluetooth dual-mode for a wide range of IoT applications.
- GPIO Pins: Multiple general-purpose I/O pins for interfacing with sensors, displays, and other peripherals.
- UART, SPI, I2C, I2S: Interfaces for communication with other devices and components.
- ADC and DAC: Analog-to-digital and digital-to-analog converters for analog sensor integration.
- PWM: Pulse-width modulation outputs for motor control and LED dimming.
- Timers and RTC: Built-in timers and a real-time clock for scheduling and time functions.
- Low Power Consumption: Various modes to optimize energy usage for battery-powered applications.
The compact package and versatile functionality make the ESP32-U4WDH suitable for a wide range of embedded systems and IoT projects.

Manufacturer

The ESP32-U4WDH is manufactured by Espressif Systems, a semiconductor company based in China. Espressif Systems specializes in the design and development of wireless communication and low-power IoT solutions. They are well-known for their ESP8266 and ESP32 series of microcontroller units (MCUs), which are popular in the maker and IoT communities for their integrated Wi-Fi and Bluetooth capabilities. The company focuses on creating cost-effective and energy-efficient solutions for smart home devices, industrial automation, and other IoT applications.

Application

The ESP32-U4WDH is a versatile microcontroller module widely used for IoT applications. Its capabilities include Wi-Fi and Bluetooth connectivity, making it suitable for smart home devices, wearable electronics, and industrial automation. The module's low power consumption and robust processing power enable its use in battery-operated sensors, smart metering, and real-time data processing applications. Additionally, its support for various interfaces and peripherals allows for integration into custom hardware projects, robotics, and consumer electronics. Its versatility and connectivity options make it ideal for developing applications requiring remote monitoring and control.

Package

The ESP32-U4WDH is housed in a QFN32 package. This compact package type is often used for its small footprint and efficient heat dissipation properties, making it suitable for space-constrained applications.

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