The esp32 chip is a WiFi chip launched by Espressif Information Technology. It has a 40nm process, a dual-core 32-bit MCU, a 2.4GHz dual-mode WiFi and Bluetooth chip, and a main frequency of up to 230MHz. The ESP32 chip uses the Tensilica Xtensa LX6 microprocessor, including dual-core and single-core versions, built-in antenna switches, RF radio frequency modules, power amplifiers, low-noise receive amplifiers, filters and power management modules.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What is the esp32 chip?
ESP32 is another integrated WiFi launched by my country's Espressif Company (ESPRESSIF) after the ESP8266 chip functional microcontroller.
esp32 is a WiFi chip launched by Espressif Information Technology. It has a 40nm process, a dual-core 32-bit MCU, a 2.4GHz dual-mode WiFi and Bluetooth chip, and a main frequency of up to 230MHz.
ESP32 chip uses Tensilica Xtensa LX6 microprocessor, including dual-core and single-core versions, built-in antenna switch, RF radio frequency module, power amplifier, low-noise receiving amplifier, filter and power management module.
ESP32 chip or module has the following features:
Processor: Tensilica LX6 dual-core processor (One core handles high-speed connections; one core for independent application development)
-
Main frequency: 32-bit dual-core processor, the normal working speed of the CPU is 80 MHz, up to 240 MHz
SRAM: 520KB, supports up to 8 MB off-chip SPI SRAM
Flash: supports up to 16 MB off-chip SPI Flash
WiFi protocol: supports 802.11 b/g/n/d/e/i/k/r and other protocols, with speed up to 150 Mbps
Frequency range: 2.4~2.5 GHz
Bluetooth protocol: supports Bluetooth v4.2 complete standard, including traditional Bluetooth (BR/EDR) and Bluetooth low energy (BLE)
At the same time, it also has a wealth of peripheral interfaces: such as GPIO, ADC, DAC, SPI, I²C, I²S, UART and many other common interfaces
Products of the ESP32 series
The product models of the ESP32 series include ESP32 S2 (single-core 2.4G wifi), ESP32 S3 (dual-core 2.4G wifi Bluetooth 5), ESP32 C2 (single-core 2.4G wifi Bluetooth 5), ESP32 C3 (single-core 2.4G wifi Bluetooth 5) and traditional ESP32 modules.
ESP32-S2 series
- ##Integrated ESP32-S2 chip, Xtensa® 32-bit LX7 single Core processor with clock frequency up to 240 MHz
- Supports multiple low-power working states: fine clock gating, dynamic voltage clock frequency adjustment
- Security mechanism: eFuse storage, secure boot, Flash encryption, digital signature, supports AES, SHA and RSA algorithms
- Peripherals include 43 GPIO ports and 1 full-speed USB OTG interface , SPI, I2S, UART, I2C, LED PWM, LCD interface, Camera interface, ADC, DAC, touch sensor
- can be connected to a variety of network cloud platforms and has universal product features. Greatly shorten product construction and time to market
- Passed RF certification and software protocol certification
ESP32-S3 Series
- Xtensa® 32-bit LX7 dual-core processor, clocked up to 240 MHz
- Built-in 512 KB SRAM , 384 KB ROM storage space, and supports multiple external SPI, Dual SPI, Quad SPI, Octal SPI, QPI, OPI flash and off-chip RAM
- Additional addition for accelerating neural networks Vector instructions for calculation and signal processing
- 45 programmable GPIO, supporting common peripheral interfaces such as SPI, I2S, I2C, PWM, RMT, ADC, DAC , UART, SD/MMC host controller and TWAITM controller, etc.
- Flash encryption based on AES-XTS algorithm and secure boot based on RSA algorithm, digital signature and HMAC module, "World "Controller (World Controller)" module
- passed RF certification and software protocol certification
- The following is a comparison of ESP32S3 series chips, SiP flash and SiP PSRAM refers to the flash and PSRAM packaged inside the chip. Octal SPI occupies 5 more GPIOs than Quad SPI, that is, GPIO33 ∼ GPIO37.
ESP32-C2 Series
- RISC-V- 32-bit unit core processor, clocked at up to 120 MHz
- Industry-leading low power performance and radio frequency performance
- Built-in 272 KB SRAM (including 16 KB dedicated to cache), 576 KB ROM storage space
- 14 programmable GPIOs, supporting common peripheral interfaces such as SPI, UART, I2C, LED PWM and DMA
- Passed RF certification and software protocol certification
ESP32-C3 series
- ##Integrated ESP32-C3 chip, RISC-V 32 Single-core processor with clock frequency up to 160 MHz
- Industry-leading low power performance and RF performance
- Built-in 400 KB SRAM, 384 KB ROM storage space, and supports multiple external SPI, Dual SPI, Quad SPI, QPI flash
- Perfect security mechanism: secure boot based on RSA-3072 algorithm, based on AES- 128-XTS algorithm flash encryption, innovative digital signature and HMAC modules, hardware accelerator supporting encryption algorithms
- Rich communication interfaces and GPIO pins can support a variety of scenarios and complex The application
- passed RF certification and software protocol certification
ESP32 series
- Integrated ESP32 series chips, two or one Xtensa® 32-bit LX6 processor that can be controlled independently, clock frequency is adjustable from 80 MHz to 240 MHz
- 19.5 dBm antenna end output power to ensure good coverage
- Legacy Bluetooth supports L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK) and AVRCP (CT) protocols
- Bluetooth LE supports L2CAP, GAP, GATT, SMP, and BluFi on top of GATT, SPP-like protocols, etc.
- Bluetooth low energy connects to smartphones and sends low-power beacons for easy detection
- The sleep current is less than 5 μA, suitable for battery-powered wearable electronic devices
- Peripherals include capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
- RF certified and Software protocol certification
Extended knowledge:
Does esp32 support qt
support. The esp32 chip supports qt, because it not only has a dual-core processor, but also supports BluetoothLE and qt. esp32 is a general-purpose WiFi plus BT plus BLEMCU module. It is powerful and versatile and can be used in low-power sensor networks.Can esp32 connect to the database?
Can esp32 connect to the database. The basic process of connecting ESP32 as a TCP client to the server is to connect wifi to st, create a new socket, and connect to tcpserver. ESP32 is a WIFI chip launched by Espressif Information Technology. ESP32 integrates antenna switches, RF balun, power amplifiers, low-noise amplifiers, filters and power management modules. The entire solution occupies the least printed circuit board area. It uses TSMC low-power 40nm technology and has the best power consumption performance and RF performance. Excellent, safe and reliable, easy to expand to various applications. For more related knowledge, please visit theFAQ column!
The above is the detailed content of What is the esp32 chip?. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Dreamweaver Mac version
Visual web development tools

WebStorm Mac version
Useful JavaScript development tools

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
