Product Overview
ESP32-S3 is a low-power MCU-based SoC that supports 2.4 GHz Wi-Fi and Bluetooth® Low Energy (Bluetooth LE). It consists of high-performance dual-core MCU (Xtensa® 32-bit LX7), a low power coprocessor, a Wi-Fi baseband, a Bluetooth LE baseband, RF module, and peripherals. The block diagram of the SoC is shown below.
Figure 1: Block Diagram of ESP32S3
Solution Highlights
• A complete WiFi subsystem that complies with IEEE 802.11b/g/n protocol and supports Station, SoftAP, and SoftAP + Station modes
• A Bluetooth LE subsystem that supports features of Bluetooth 5 and Bluetooth mesh
• Xtensa® 32bit LX7 dualcore processor with a five-stage pipeline that operates at up to 240 MHz
– A 128-bit data bus and dedicated SIMD instructions to provide high computing performance
– Efficient L1 cache to improve execution of external memory
– Single-precision floating-point unit (FPU) to accelerate computing
• Highlyintegrated RF module that provides industry-leading power and RF performance
• Stateoftheart power management designed for a wide range of applications with its multiple low-power modes. The ULP coprocessor can operate in ultra-low-power mode.
• Powerful storage capacities ensured by 512 KB SRAM and 384 KB ROM on the chip, and SPI, Dual SPI, Quad SPI, Octal SPI, QPI, and OPI interfaces that allow connection to flash and external RAM
• Reliable security features ensured by
– Cryptographic hardware accelerators that support AES-128/256, Hash, RSA, HMAC, digital signature, and secure boot
– Random number generator
– Permission control on accessing internal and external memory
– External memory encryption and decryption
• Rich set of peripheral interfaces and GPIOs, ideal for various scenarios and complex applications
Features
WiFi
• IEEE 802.11 b/g/n-compliant
• Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band
• 1T1R mode with data rate up to 150 Mbps
• 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
Note that when ESP32-S3 scans in Station mode, the SoftAP channel will change along with the Station channel
• Antenna diversity
• 802.11mc FTM
• External PA is supported
Bluetooth
• Bluetooth LE: Bluetooth 5, Bluetooth mesh
• High power mode (20 dBm, share the same PA with Wi-Fi)
• 2 Mbps PHY
• Long range mode
• 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 240 MHz
• CoreMark® score:
– 1 core at 240 MHz: 613.86 CoreMark; 2.56 CoreMark/MHz
– 2 cores at 240 MHz: 1181.60 CoreMark; 4.92 CoreMark/MHz
• 128-bit data bus and SIMD commands
• 384 KB ROM
• 512 KB SRAM
• 16 KB 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
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
– DMA controller, 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
Low Power Management
• Power Management Unit with five power modes
• Ultra-Low-Power (ULP) coprocessors:
– ULP-RISC-V coprocessor
– ULP-FSM coprocessor
Security
• Secure boot
• Flash encryption
• 4096-bit OTP, up to 1652 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 (A Nonexhaustive List)
With low power consumption, ESP32-S3 is an ideal choice for IoT devices in the following areas:
• 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
– Smart watch 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
View More:
https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf