let Get Start with ESP32,
Contents
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. Lets ESP32 get the Start
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
- Development Support
- SDK Firmware for fast online programming
- Open-source toolchains based on GCC
- Operating Temperature Range: -40 ° C to + 85 ° C
- Package size: 18mm x 25mm x 3mm
- 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