ESP32 – Getting Started


ESP32 Features

  • The ESP32 WiFi and Bluetooth chip is the generation of Espressif products.
  • It has a dual-core 32-bit MCU, which integrates WiFi HT40 and Bluetooth/BLE 4.2 technology inside.
  • It is equipped with a high-performance dual-core Tensilica LX6 MCU.
  • One core handles high speed connection and the other for standalone application development.
  • The dual-core MCU has a 240 MHz frequency and a computing power of 600 DMIPS.
  • In addition, it supports Wi-Fi HT40, Classic Bluetooth/BLE 4.2, and more GPIO resources.
  •  ESP32 chip integrates a wealth of hardware peripherals, including Capacitive touch sensors, Hall sensors, low noise sensor amplifiers, SD card interfaces, Ethernet interfaces,  High-speed SDIO / SPI, UART,  I2S and I2C, etc.

  • CPU and Memory
    • Xtensa® Dual-Core 32-bit LX6 microprocessors, up to 600 DMIPS
    • 448 KByte ROM• 520 KByte SRAM
    • 16 KByte SRAM in RTC
    • QSPI Flash/SRAM, up to 4 x 16 MBytes
    • Power supply: 2.2 V to 3.6 V
  •  Clocks and Timers
    • Internal 8 MHz oscillator with calibration
    • Internal RC oscillator with calibration
    • External 2 MHz to 40 MHz crystal oscillator
    • External 32 kHz crystal oscillator for RTC with calibration
    • Two timer groups, including 2 x 64-bit timers and 1 x main watchdog in each group
    • RTC timer with sub-second accuracy
    • RTC watchdog
  • Advanced Peripheral Interfaces
    • 2 × 8-bit D/A converters
    • 10 × touch sensors
    • Temperature sensor
    • 4 × SPI
    • 2 × I2S
    • 2 × I2C
    • 3 × UART
    • 1 host (SD/eMMC/SDIO)
    • 1 slave (SDIO/SPI)
    • Ethernet MAC interface with dedicated DMA and IEEE 1588 support
    • CAN 2.0
    • IR (TX/RX)
    • Motor PWM
    • LED PWM up to 16 channels
    • Hall sensor
    • Ultra low power analog pre-amplifier
    • 12-bit SAR ADC up to 18 channels
  • Development Support
    • SDK Firmware for fast on-line programming
    • Open source toolchains based on GCC 
  • Operating Temperature Range: -40 ° C to + 85 ° C
  • Package size: 18mm x 25mm x 3mm

 

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