Datasheet
Table Of Contents
- Product Overview
- 1 ESP32-C3 Series Comparison
- 2 Pin Definition
- 3 Functional Description
- 3.1 CPU and Memory
- 3.2 System Clocks
- 3.3 Analog Peripherals
- 3.4 Digital Peripherals
- 3.4.1 General Purpose Input / Output Interface (GPIO)
- 3.4.2 Serial Peripheral Interface (SPI)
- 3.4.3 Universal Asynchronous Receiver Transmitter (UART)
- 3.4.4 I2C Interface
- 3.4.5 I2S Interface
- 3.4.6 Remote Control Peripheral
- 3.4.7 LED PWM Controller
- 3.4.8 General DMA Controller
- 3.4.9 USB Serial/JTAG Controller
- 3.4.10 TWAI® Controller
- 3.5 Radio and Wi-Fi
- 3.6 Bluetooth LE
- 3.7 Low Power Management
- 3.8 Timers
- 3.9 Cryptographic Hardware Accelerators
- 3.10 Physical Security Features
- 3.11 Peripheral Pin Configurations
- 4 Electrical Characteristics
- 5 Package Information
- 6 Related Documentation and Resources
- Revision History
– 2 × 12-bit SAR ADCs, up to 6 channels
– 1 × temperature sensor
• Timers:
– 2 × 54-bit general-purpose timers
– 3 × watchdog timers
– 1 × 52-bit system timer
Low Power Management
• Power Management Unit with four power modes
Security
• Secure boot
• Flash encryption
• 4096-bit OTP, up to 1792 bits for use
• Cryptographic hardware acceleration:
– AES-128/256 (FIPS PUB 197)
• Permission Control
• SHA Accelerator (FIPS PUB 180-4)
• RSA Accelerator
• Random Number Generator (RNG)
• HMAC
• Digital signature
Applications (A Nonexhaustive List)
With ultra-low power consumption, ESP32-C3 is an ideal choice for IoT devices in the following areas:
• Smart Home
– Light control
– Smart button
– Smart plug
– Indoor positioning
• Industrial Automation
– Industrial robot
– Mesh network
– Human machine interface (HMI)
– Industrial field bus
• Health Care
– Health monitor
– Baby monitor
• Consumer Electronics
– Smart watch and bracelet
– Over-the-top (OTT) devices
– Wi-Fi speaker
– Logger toys and proximity sensing toys
• Smart Agriculture
– Smart greenhouse
– Smart irrigation
– Agriculture robot
• Retail and Catering
– POS machines
– Service robot
• Audio Device
– Internet music players
– Live streaming devices
– Internet radio players
• Generic Low-power IoT Sensor Hubs
• Generic Low-power IoT Data Loggers
Espressif Systems 4
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ESP32-C3 Series Datasheet v1.2