Espressif Systems ESP32-S3 2.4GHz Wi-Fi® & BLUETOOTH® LE SoCs

Espressif Systems ESP32-S3 2.4GHz Wi-Fi^® and BLUETOOTH^® LE SoCs offer a low-power MCU-based system-on-chip (SoC), supporting 2.4GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE). The ESP32-S3 includes a high-performance dual-core microprocessor (Xtensa^® 32-bit LX7), a low-power coprocessor, a Wi-Fi baseband, a Bluetooth LE baseband, and RF module, and peripherals. The Espressif Systems ESP32-S3 2.4GHz WiFi and Bluetooth LE SoCs are ideal for smart home, Human-machine interface (HMI), and other assorted applications.

Features

WiFi
- IEEE 802.11b/g/n-compliant
- Supports 20MHz, 40MHz bandwidth in 2.4GHz band
- 1T1R mode with data rate up to 150Mbps
- Wi-Fi Multimedia (WMM)
- TX/RX A-MPDU, TX/RX A-MSDU
- Immediate Block ACK
- Fragmentation and defragmentation
- Automatic Beacon monitoring (hardware TSF)
- 4 × virtual Wi-Fi interfaces
- Simultaneous support for Infrastructure BSS in Station, SoftAP, or Station + SoftAP modes
- Antenna diversity
- 802.11mc FTM
- External PA is supported
Bluetooth
- Bluetooth LE: Bluetooth 5, Bluetooth mesh
- High power mode (20dBm, share the same PA with Wi-Fi)
- Speed of 125Kbps, 500Kbps, 1Mbps, 2Mbps
- Advertising extensions
- Multiple advertisement sets
- Channel selection algorithm #2
- Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
CPU and Memory
- Xtensa® dual-core 32-bit LX7 microprocessor, up to 240MHz
- CoreMark® score:
  - 1 core at 240MHz: 613.86 CoreMark; 2.56CoreMark/MHz
  - 2 cores at 240MHz: 1181.60 CoreMark; 4.92CoreMark/MHz
- 128-bit data bus and SIMD commands
- 384KB ROM
- 512KB SRAM
- 16KB SRAM in RTC
- SPI, Dual SPI, Quad SPI, Octal SPI, QPI, and OPI interfaces that allow connection to multiple flash and external RAM
- Flash controller with cache is supported
- Flash In-Circuit Programming (ICP) is supported
Low power management
- Power Management Unit with five power modes
- Ultra-Low-Power (ULP) coprocessors:
  - ULP-RISC-V coprocessor
  - ULP-FSM coprocessor

Advanced peripheral interfaces
- 45 × programmable GPIOs
- Digital interfaces:
  - 4× SPI
  - 1× LCD interface (8-bit ~16-bit parallel RGB, I8080, and MOTO6800), supporting conversion between RGB565, YUV422, YUV420 and YUV411
  - 1× DVP 8-bit ~16-bit camera interface
  - 3× UART
  - 2× I²C
  - 2× I²S
  - 1× RMT (TX/RX)
  - 1× pulse counter
  - LED PWM controller, up to 8 channels
  - 1× full-speed USB OTG
  - 1× USB Serial/JTAG controller
  - 2× MCPWM
  - 1× SDIO host controller with 2 slots
  - General DMA controller (GDMA), with 5 transmit channels and 5 receive channels
  - 1× TWAI^® controller, compatible with ISO 11898-1 (CAN Specification 2.0)
- Analog interfaces:
  - 2× 12-bit SAR ADCs, up to 20 channels
  - 1× temperature sensor
  - 14× touch sensing IOs
- Timers:
  - 4× 54-bit general-purpose timers
  - 1× 52-bit system timer
  - 3× watchdog timers
Security
- Secure boot
- Flash encryption
- 4-Kbit OTP, up to 1792 bits for users
- Cryptographic hardware acceleration:
  - AES-128/256 (FIPS PUB 197)
  - Hash (FIPS PUB 180-4)
  - RSA
  - Random Number Generator (RNG)
  - HMAC
  - Digital signature

Applications

Smart home
- Light control
- Smart button
- Smart plug
Industrial automation
- Industrial robot
- Mesh network
- Human machine interface (HMI)
Health care
- Health monitor
- Baby monitor
Consumer Electronics
- Smartwatch and bracelet
- Over-the-top (OTT) devices
- Wi-Fi and bluetooth 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
Cameras for video streaming
USB Devices
Speech recognition
Image recognition
Wi-Fi + Bluetooth networking card
Touch sensing
- Waterproof design
- Distance sensing applications
- Linear slider, wheel slider designs