ESP32-C3FH4X—Low-Power, High-Integration MCU System-on-Chip (SoC)
The ESP32-C3FH4X, launched by Espressif, is a low-power, high-performance MCU SoC integrating Wi-Fi and Bluetooth Low Energy (BLE 5.0), ideal for IoT applications.
Key Features
Processor:
Single-core 32-bit RISC-V processor, up to 160 MHz
Supports 8-bit, 16-bit, and 32-bit instruction sets
Memory:
400 KB SRAM (data and instructions)
384 KB ROM (boot and core functions)
4 MB embedded Flash (FH4X denotes 4 MB Flash)
8 KB RTC SRAM (available in low-power mode)
Clock:
Internal 17.5 MHz oscillator (software calibratable)
Supports external 40 MHz crystal
Internal low-speed RTC oscillator (32 kHz or 136 kHz)
Wi-Fi:
Supports IEEE 802.11 b/g/n (2.4 GHz)
Data rate up to 150 Mbps
Station, SoftAP, and Station + SoftAP modes
1T1R (1 transmit, 1 receive)
Bluetooth:
Bluetooth Low Energy (BLE) 5.0
Supports BLE Mesh
Data rate up to 2 Mbps
Operating Temperature: -40 to 105°C
Receiver Sensitivity:
Wi-Fi: -97 dBm (802.11b, 1 Mbps)
BLE: -94 dBm (1 Mbps)
Power Consumption:
Wi-Fi active: ~300 mA (transmitting)
Deep-sleep: 5 μA
Modem-sleep: 15 mA (Wi-Fi on, CPU running)
Application Areas
Smart home
Industrial automation
Healthcare
Consumer electronics
Smart agriculture
POS systems
Service robots
Audio devices
General low-power IoT sensor hubs
General low-power IoT data loggers
Tip:
The difference between ESP32-C3FH4 and ESP32-C3FH4X requires software tool updates. Contact our business team for operational guidance documents.
Pin Layout
For more details on the ESP32-C3FH4X or other chips, contact us! Our professional team provides comprehensive technical support and solutions to ensure smooth project advancement.