ESP32-C3FN4 Espressif Systems: Schematic, Pinout and Datasheet

ESP32-C3FN4 Description

The ESP32-C3FN4, manufactured by Espressif Systems, is a compact and versatile microcontroller unit (MCU) designed for IoT applications. With its 32-bit RISC-V single-core processor, Wi-Fi, and Bluetooth connectivity, as well as advanced peripheral interfaces, fine-resolution power management, and robust security features, it offers developers a powerful yet energy-efficient solution for a wide range of smart home, industrial automation, consumer electronics, and other IoT devices.

Compactly packaged in a QFN-32 format, the ESP32-C3FN4 boasts impressive specifications, including a 160 MHz maximum clock frequency, 150 Mbps data rate, and 18 dBm output power. Its flexibility and reliability make it suitable for diverse applications such as smart home devices, industrial sensors, wearable health monitors, and more.

Nomenclature of ESP32-C3

ESP32-C3FN4 Schematic

 Functional Block Diagram

ESP32-C3 Power Scheme

ESP32-C3FN4 Pinout

Pin configuration

ESP32-C3FN4 Specifications

Features of ESP32-C3FN4

• IEEE 802.11b/g/n-compliant Wi-Fi connectivity, supporting 20 MHz and 40 MHz bandwidths in the 2.4 GHz band, with a data rate of up to 150 Mbps in 1T1R mode.
• Bluetooth Low Energy (LE) capability, including Bluetooth 5 and Bluetooth mesh support, featuring high power mode with up to 20 dBm output, and variable speeds ranging from 125 Kbps to 2 Mbps.
• Powerful 32-bit RISC-V single-core processor running at frequencies up to 160 MHz, delivering high performance with a CoreMark score of 407.22.
• Advanced peripheral interfaces, including programmable GPIOs, digital interfaces such as SPI, UART, I2C, and I2S, analog interfaces with SAR ADCs and temperature sensor, and various timers for precise control.
• Fine-resolution power management offering four power modes for different scenarios, with Deep-sleep mode consuming as low as 5 µA and RTC memory remaining powered on.
• Robust security features including secure boot, flash encryption, and cryptographic hardware acceleration for AES, SHA, RSA, RNG, HMAC, and digital signature operations.
• RF module with antenna switches, RF balun, power amplifier, and low-noise receive amplifier, providing up to +21 dBm power for 802.11b and up to +20 dBm power for 802.11n transmissions, along with Bluetooth LE receiver sensitivity of up to -105 dBm.
• Support for multiple Wi-Fi interfaces, infrastructure BSS in various modes, Wi-Fi Multimedia (WMM), automatic beacon monitoring, antenna diversity, and Bluetooth features like advertising extensions and internal co-existence with Wi-Fi.

ESP32-C3FN4 Application & Uses

Smart Home: ESP32-C3FN4 facilitates the development of smart home devices such as smart lighting systems, thermostats, security cameras, and door locks. Its Wi-Fi and Bluetooth capabilities enable seamless connectivity and control of various home appliances and systems remotely.

Industrial Automation: In industrial settings, ESP32-C3FN4 can be utilized for monitoring and controlling machinery, gathering data from sensors, managing inventory, and optimizing production processes. Its robust security features ensure the integrity and confidentiality of sensitive industrial data.

Health Care: ESP32-C3FN4 enables the creation of wearable health monitoring devices, remote patient monitoring systems, and medical equipment connectivity solutions. Its low power consumption is crucial for prolonging battery life in wearable devices, ensuring continuous monitoring without frequent recharging.

Consumer Electronics: ESP32-C3FN4 powers a wide range of consumer electronics products including smartwatches, fitness trackers, smart speakers, and home entertainment systems. Its high-performance processor and connectivity options enhance the functionality and connectivity of these devices.

Smart Agriculture: In agriculture, ESP32-C3FN4 can be deployed for monitoring environmental conditions, automating irrigation systems, tracking livestock, and managing crop health. Its low power consumption allows for long-term deployment in remote agricultural locations.

POS Machines: ESP32-C3FN4 can be integrated into point-of-sale (POS) terminals for processing transactions, managing inventory, and facilitating secure payment methods. Its robust security features ensure the confidentiality and integrity of financial transactions.

Service Robots: ESP32-C3FN4 serves as the brain of service robots, enabling them to navigate environments, interact with users, and perform tasks autonomously. Its connectivity options allow for remote control and data exchange, enhancing the functionality of service robots in various applications.

Audio Devices: ESP32-C3FN4 powers audio devices such as wireless speakers, headphones, and voice-controlled assistants. Its high-performance processor and support for audio interfaces enable seamless audio streaming and voice recognition capabilities.

Generic Low-power IoT Sensor Hubs: ESP32-C3FN4 can act as a central hub for collecting data from various sensors deployed in IoT networks. Its low power consumption and connectivity options allow for efficient data aggregation and transmission, making it suitable for sensor networks in diverse applications.

Generic Low-power IoT Data Loggers: ESP32-C3FN4 can be used to develop IoT data loggers for monitoring and recording environmental parameters, energy consumption, and asset tracking data. Its low power consumption ensures prolonged operation in remote or battery-powered applications, making it suitable for long-term data logging projects.

Package Dimensions

QFN32 (5×5 mm) Package

What is the Difference between ESP32-C3 and ESP32 S3?

ESP32-C3FN4 Datasheet

Download ESP32-C3FN4 datasheet PDF>>

Manufacturer

The ESP32-C3FN4 is manufactured by Espressif Systems. Espressif Systems is a semiconductor company headquartered in Shanghai, China, with offices and representatives worldwide. Founded in 2008, Espressif specializes in the design and manufacture of integrated circuits (ICs) and semiconductor solutions, particularly for the Internet of Things (IoT) and wireless communication applications.

One of Espressif's most notable contributions to the industry is the ESP8266 and ESP32 series of microcontroller units (MCUs), which have gained widespread popularity among electronics enthusiasts, hobbyists, and professional developers for their versatility, low cost, and rich feature set. These MCUs are widely used in various IoT devices, smart home appliances, industrial automation systems, wearable technology, and more.

Espressif's products are known for their robust performance, power efficiency, and comprehensive development ecosystem, which includes software development kits (SDKs), integrated development environments (IDEs), documentation, and community support forums. They provide developers with the tools and resources needed to create innovative IoT solutions quickly and efficiently.

In addition to microcontrollers, Espressif also offers a range of wireless communication modules, development boards, and reference designs to facilitate the development and deployment of IoT applications across diverse industries.

Espressif Systems continues to innovate and expand its product portfolio to meet the evolving demands of the IoT market, while also prioritizing reliability, security, and ease of use in its solutions.

Conclusion

In conclusion, the ESP32-C3FN4 emerges as a formidable contender in the realm of microcontroller units, epitomizing Espressif Systems' commitment to innovation and excellence. With its compact design, robust performance, and comprehensive feature set, it embodies the ideal solution for IoT developers seeking to realize their creative visions.

From smart homes to industrial automation and beyond, its versatility knows no bounds, offering seamless connectivity, efficient power management, and advanced security features. As technology continues to evolve, the ESP32-C3FN4 stands ready to empower the next generation of IoT devices, driving innovation and shaping the future of connected systems.

ESP32-C3FN4

Espressif Systems

RF Transceiver Modules and Modems

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