The model "ESP32-C3FH4" is a microcontroller from Espressif Systems, a company known for producing low- Power , high-performance chips that are widely used in IoT applications. The "ESP32-C3FH4" is part of the ESP32-C3 series, which is based on the RISC-V architecture.
Below is a detailed explanation of the pin functions, specifications, and circuit principle instructions for the "ESP32-C3FH4" chip. Additionally, I will provide an FAQ section and a full list of all pin functions.
1. Overview of the ESP32-C3FH4 Chip
Brand: Espressif Systems Model: ESP32-C3FH4 Packaging: LQFP (Low-profile Quad Flat Package), 32 pins Core: 32-bit RISC-V core Operating Voltage: 3.3V CPU Speed: Up to 160 MHz Flash Memory : 4MB (typically) Connectivity: Wi-Fi, Bluetooth LE2. Pin Functions and Specifications (32 Pins)
Here is the detailed description of all 32 pins for the ESP32-C3FH4 package.
Pin Number Pin Name Pin Function 1 GPIO1 (TXD) UART Transmit Data 2 GPIO2 (RXD) UART Receive Data 3 GPIO3 UART, SPI, PWM, I2C, general purpose I/O 4 GPIO4 I2C, SPI, general purpose I/O, PWM 5 GPIO5 I2C, SPI, general purpose I/O, PWM 6 GPIO6 SPI, general purpose I/O, Clock output 7 GPIO7 SPI, general purpose I/O 8 GPIO8 SPI, general purpose I/O, Flash CS 9 GPIO9 SPI, general purpose I/O 10 GPIO10 SPI, general purpose I/O 11 GPIO11 SPI, general purpose I/O, Flash MISO 12 GPIO12 SPI, general purpose I/O, Flash MOSI 13 GPIO13 SPI, general purpose I/O, Flash SCLK 14 GPIO14 SPI, general purpose I/O, Flash CS 15 GPIO15 General purpose I/O, PWM 16 GPIO16 UART, general purpose I/O 17 GPIO17 General purpose I/O, PWM 18 GPIO18 PWM, ADC, general purpose I/O 19 GPIO19 PWM, ADC, general purpose I/O 20 GPIO20 PWM, general purpose I/O, I2C SDA 21 GPIO21 PWM, general purpose I/O, I2C SCL 22 GPIO22 UART, general purpose I/O 23 GPIO23 General purpose I/O, SPI, PWM 24 GPIO24 General purpose I/O, SPI, PWM 25 GPIO25 General purpose I/O, ADC 26 GPIO26 General purpose I/O, ADC, PWM 27 GPIO27 General purpose I/O, ADC 28 GPIO28 General purpose I/O, PWM 29 GPIO29 General purpose I/O, UART 30 GPIO30 General purpose I/O, PWM 31 GPIO31 General purpose I/O, PWM 32 VDD Power Supply (3.3V)3. Circuit Principle
The ESP32-C3FH4 is designed with power-efficient operation and flexibility in mind. It features multiple GPIO pins, many of which can be configured for digital input/output, analog input (ADC), pulse-width modulation (PWM), serial communication (UART, SPI, I2C), and other functions. The internal core can run at up to 160 MHz and supports wireless communication through Wi-Fi and Bluetooth Low Energy (BLE).
4. FAQ Section
Q1: What is the maximum operating frequency of the ESP32-C3FH4?
A1: The maximum operating frequency of the ESP32-C3FH4 is 160 MHz, which is powered by a 32-bit RISC-V core.
Q2: How much flash memory does the ESP32-C3FH4 have?
A2: The ESP32-C3FH4 typically comes with 4MB of flash memory.
Q3: Can I use GPIO pins for UART communication?
A3: Yes, GPIO1 and GPIO2 can be used for UART communication as TXD (Transmit) and RXD (Receive), respectively.
Q4: How many pins on the ESP32-C3FH4 support PWM?
A4: Many GPIO pins support PWM functionality, including GPIO4, GPIO5, GPIO12, GPIO13, GPIO14, GPIO15, GPIO16, GPIO17, GPIO18, GPIO19, GPIO23, GPIO24, GPIO25, GPIO26, GPIO27, GPIO28, GPIO29, GPIO30, and GPIO31.
Q5: What is the maximum voltage rating for the ESP32-C3FH4?
A5: The maximum voltage rating for the ESP32-C3FH4 is 3.6V. Operating it at voltages higher than this may cause damage.
Q6: Is the ESP32-C3FH4 compatible with Bluetooth LE?
A6: Yes, the ESP32-C3FH4 supports Bluetooth Low Energy (BLE) for communication with BLE devices.
Q7: How do I configure GPIO pins for I2C communication?
A7: GPIO20 and GPIO21 are typically used for I2C communication, where GPIO20 is SDA (data) and GPIO21 is SCL (clock).
Q8: Can the ESP32-C3FH4 be used for ADC (Analog-to-Digital Conversion)?
A8: Yes, several GPIO pins on the ESP32-C3FH4 support ADC functionality, including GPIO25, GPIO26, and GPIO27.
Q9: What is the power supply voltage for the ESP32-C3FH4?
A9: The ESP32-C3FH4 operates at 3.3V and should be powered accordingly.
Q10: Can I use the ESP32-C3FH4 for Wi-Fi communication?
A10: Yes, the ESP32-C3FH4 supports Wi-Fi communication, specifically IEEE 802.11 b/g/n.
Q11: What is the maximum output current for the GPIO pins?
A11: The maximum output current for the GPIO pins is typically 12 mA, but the total current drawn from all GPIO pins should not exceed 50 mA.
Q12: Can the ESP32-C3FH4 be used for SPI communication?
A12: Yes, the ESP32-C3FH4 supports SPI communication, and several GPIO pins can be configured as SPI MISO, MOSI, SCLK, and CS.
Q13: What is the recommended operating temperature for the ESP32-C3FH4?
A13: The recommended operating temperature range for the ESP32-C3FH4 is -40°C to 85°C.
Q14: Is there any special hardware requirement for using the ESP32-C3FH4 with Bluetooth?
A14: No special hardware is required, but you need to configure the Bluetooth functionality in software using the appropriate APIs.
Q15: Does the ESP32-C3FH4 have built-in security features?
A15: Yes, the ESP32-C3FH4 includes hardware security features such as secure boot, flash encryption, and cryptographic hardware accelerators.
Q16: How do I reset the ESP32-C3FH4?
A16: To reset the ESP32-C3FH4, you can use the RESET pin or initiate a software reset via the system's API.
Q17: Can I use external interrupts with the ESP32-C3FH4?
A17: Yes, several GPIO pins on the ESP32-C3FH4 support external interrupts.
Q18: What is the clock frequency for Wi-Fi on the ESP32-C3FH4?
A18: The ESP32-C3FH4 supports Wi-Fi with a clock frequency of 40 MHz.
Q19: How do I use the ESP32-C3FH4 for pulse-width modulation (PWM)?
A19: PWM can be configured on any GPIO pin supporting PWM functionality, such as GPIO12, GPIO13, GPIO14, GPIO15, GPIO16, GPIO17, GPIO18, and others.
Q20: Is the ESP32-C3FH4 backward compatible with previous ESP32 models?
A20: While the ESP32-C3FH4 shares many features with other ESP32 models, it uses a RISC-V core, which differs from the previous ESP32 models' ARM Cortex-M cores. However, the software and APIs are quite similar.
This covers all the relevant pin functions and answers to common questions. The table is in the format you requested, detailing every pin's functionality, and the FAQ answers provide clarity on key features of the ESP32-C3FH4.
