Overview
The ESP32-C3FH4 is a high-performance, low-power System-on-Chip (SoC) developed by Espressif Systems. It is part of the ESP32-C3 series, which is designed as a cost-effective and advanced replacement for the ESP8266EX SOC. This SoC integrates a 32-bit RISC-V single-core processor, 2.4 GHz Wi-Fi, and Bluetooth 5.0 (LE) capabilities, making it suitable for a wide range of IoT applications. The ESP32-C3FH4 is notable for its improved security features, power management, and support for long-range Bluetooth communications.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | 32-bit RISC-V single-core, up to 160 MHz |
| Memory | 4 MB flash, 384 KB ROM, 400 KB SRAM (16 KB for cache), 8 KB SRAM in RTC |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz, up to 150 Mbps |
| Bluetooth | Bluetooth 5.0 (LE), Bluetooth mesh |
| Package | QFN 32-pin, 5*5 mm |
| Temperature Range | -40°C to +105°C (-40°F to +221°F) |
| Timers | 2 × 54-bit general-purpose timers, 3 × watchdog timers, 1 × 52-bit system timer |
| GPIOs | 22 or 16 programmable GPIOs |
| Interfaces | SPI, Dual SPI, Quad SPI, QPI, I2C, I2S, UART, TWAI®, LED PWM, General DMA |
Key Features
- RISC-V Single-Core MCU: 32-bit RISC-V processor operating at up to 160 MHz.
- Wireless Connectivity: 2.4 GHz Wi-Fi (IEEE 802.11b/g/n) and Bluetooth 5.0 (LE) with long-range support.
- Memory and Storage: 4 MB flash, 384 KB ROM, 400 KB SRAM, and 8 KB SRAM in RTC.
- Security: Secure boot, AES-128-XTS-based flash encryption, digital signature, HMAC, and cryptographic hardware acceleration.
- Power Management: Four power modes (Active, Modem-sleep, Light-sleep, Deep-sleep) with low power consumption in Deep-sleep mode.
- Peripheral Interfaces: SPI, I2C, I2S, UART, TWAI®, LED PWM, General DMA, and more.
- Debugging: On-chip debug module (DM) compliant with RISC-V debug specification v0.13 and support for external debugger via JTAG/USB port.
Applications
The ESP32-C3FH4 is an ideal choice for various IoT applications due to its low power consumption and advanced features. Some of the key application areas include:
- Smart Home: Light control, smart buttons, smart plugs.
- Industrial Automation: Control and monitoring systems.
- Health Care: Wearable devices, medical sensors.
- Consumer Electronics: Smart devices, audio equipment.
- Smart Agriculture: Sensor hubs, automated farming systems.
- POS Machines and Service Robots: Payment terminals, robotic systems.
Q & A
- What is the processor type and speed of the ESP32-C3FH4?
The ESP32-C3FH4 features a 32-bit RISC-V single-core processor that operates at up to 160 MHz. - What are the memory specifications of the ESP32-C3FH4?
The ESP32-C3FH4 has 4 MB flash, 384 KB ROM, 400 KB SRAM (with 16 KB for cache), and 8 KB SRAM in RTC. - What wireless connectivity options does the ESP32-C3FH4 support?
The ESP32-C3FH4 supports 2.4 GHz Wi-Fi (IEEE 802.11b/g/n) and Bluetooth 5.0 (LE) with long-range support. - What are the key security features of the ESP32-C3FH4?
The ESP32-C3FH4 includes secure boot, AES-128-XTS-based flash encryption, digital signature, HMAC, and cryptographic hardware acceleration. - How does the ESP32-C3FH4 manage power consumption?
The ESP32-C3FH4 has four power modes (Active, Modem-sleep, Light-sleep, Deep-sleep) with very low power consumption in Deep-sleep mode. - What peripheral interfaces are available on the ESP32-C3FH4?
The ESP32-C3FH4 offers SPI, I2C, I2S, UART, TWAI®, LED PWM, General DMA, and more. - How can I debug the ESP32-C3FH4?
The ESP32-C3FH4 supports on-chip debug module (DM) compliant with RISC-V debug specification v0.13 and external debugging via JTAG/USB port. - What is the operating temperature range of the ESP32-C3FH4?
The operating temperature range is -40°C to +105°C (-40°F to +221°F). - What are some common applications for the ESP32-C3FH4?
Common applications include smart home devices, industrial automation, health care, consumer electronics, smart agriculture, POS machines, and service robots. - Is the ESP32-C3FH4 fully certified?
Yes, the ESP32-C3FH4 is fully certified with integrated antenna and software stacks.
