ESP32-C3-WROOM-02U-N4 Espressif

ESP32C3 Series Datasheet UltraLowPower SoC with RISCV SingleCore CPU Supporting IEEE 802.11b/g/n (2.4 GHz WiFi) and Bluetooth 5 (LE) Including: ESP32-C3 ESP32-C3FN4 ESP32-C3FH4 Version 1.1 Espressif Systems Copyright 2021 www.espressif.comProduct Ove rview ESP32-C3 serie s of SoCs is an ultra-low-power and highly-integrated MCU-based solution that supports 2.4 GHz W i-Fi a nd Bluetooth Low Energy (Bl uetooth LE). The block diagram of ESP32-C3 is shown below. Espressifs ESP32-C3 Wi-Fi + Bluetooth Low Energy SoC Core System Wireless MAC and RF Baseband 2.4 GHz Balun + Switch RISC-V Wi-Fi 32-bit Wi-Fi MAC Baseband Microprocessor Bluetooth LE Cache SRAM Link Controller Bluetooth LE RF Phase Lock Loop JTAG ROM Baseband Peripherals RTC RTC SPI0/1 I2C GPIO RTC GPIO PMU Memory SPI2 I2S UART RTC Security Watchdog Timer Pulse Counter RMT SHA RSA TWAI LCD DIG ADC Temperature GDMA AES RNG Interface Controller Sensor USB Serial/ Camera Digital Watchdog LED PWM HMAC JTAG Interface Timers Signature Secure Flash General-purpose Timers System Timers Boot Encryption Modules having power in specic power modes: Active Active and Modem-sleep Active, Modem-sleep, and Light-sleep optional in Light-sleep All modes Figure 1: Block Diagram of ESP32C3 Solution Highligh ts A complete WiFi subsystem that complies Storage capacities ensured by 400 KB of with IEEE 802.11b/g/n protocol and supports SRAM (16 KB for cache) and 384 KB of ROM on Station mode, SoftAP mode, SoftAP + Station the chip, and SPI, Dual SPI, Quad SPI, and QPI mode, and promiscuous mode interfaces that allow connection to exter nal flash A Bluetooth LE subsystem that supports Reliable security features ensured by features of Bluetooth 5 and Bluetooth mesh Cryptographic hardware accelerators that 32bit RISCV singlecore processor with a support AES-128/256, Hash, RSA, HMAC, four-stage pipeline that operates at up to 160 digital signature and secure boot MHz Random number generator Stateoftheart power and RF performance Permission control on accessing inter nal Espressif Syste ms 2 ESP32-C3 Series Datasheet v1.1 Submit Documentation Feedback 2.4 GHz Receiver 2.4 GHz Transmitter 2.4 GHz Clock