ESP32 Wifi & Bluetooth IC [Model]


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Complete Datasheet see on this PDF, or view ordering guide on this wiki page.

  • Main Processor: Tensilica Xtensa 32-bit LX6 microprocessor
    • Cores: 2 or 1 (depending on variation)
      All chips in the ESP32 series are dual-core except for ESP32-S0WD, which is single-core.
    • Clock Frequency: up to 240 MHz
    • Performance: up to 600 DMIPS
  • Wireless Connectivity
    • Wi-Fi: 802.11 b/g/n/e/i (802.11n @ 2.4 GHz up to 150 Mbit/s)
    • Bluetooth: v4.2 BR/EDR and Bluetooth Low Energy (BLE)
  • Low Power: Low power options utilize the ULP co-processor to ensure that you can still do ADC conversions, computation, and level thresholds while in deep sleep.
  • Internal Memory
    • ROM: 448 KiB – For booting and core functions.
    • SRAM: 520 KiB – For data and instruction.
    • RCT SLOW SRAM: 8 KiB – For co-processor accessing during deep-sleep mode.
    • RCT FAST SRAM: 8 KiB – For data storage and main CPU during RTC Boot from the deep-sleep mode.
    • EFUSE: 1 Kibit – Of which 256 bits are used for the system (MAC address and chip configuration) and the remaining 768 bits are reserved for customer applications, including Flash-Encryption and Chip-ID.
    • Embedded Flash: 0 MiB or 2 MiB (depending on variation) – ESP32-D2WD has 2 MiB of embedded flash, internally connected via GPIO16, GPIO17, SD_CMD, SD_CLK, SD_DATA_0 and SD_DATA_1. The other chips in the ESP32 series have no embedded flash.
  • External Flash and SRAM: ESP32 without embedded flash supports up to 4 × 16 mebibytes of external QSPI flash and SRAM with hardware encryption based on AES to protect developer’s programs and data.
  • Peripheral Input/Output: Rich peripheral interface with DMA that includes capacitive touch, ADCs (analog-to-digital converter), DACs (digital-to-analog converter), I²C (Inter-Integrated Circuit), UART (universal asynchronous receiver/transmitter), CAN 2.0 (Controller Area Network), SPI (Serial Peripheral Interface), I²S (Integrated Inter-IC Sound), RMII (Reduced Media-Independent Interface), PWM (pulse width modulation), and more.
  • Security
    • IEEE 802.11 standard security features all supported, including WFA, WPA/WPA2 and WAPI
    • Secure boot
    • Flash encryption
    • 1024-bit OTP, up to 768-bit for customers
    • Cryptographic hardware acceleration: AES, SHA-2, RSA, elliptic curve cryptography (ECC), random number generator (RNG)


  • Single-core, money-saving version
  • has all the same great features and peripherals

All avaialble ESP32 ICs, Modules (WROOM-32, ESP32-WROVER, etc), Development Board(ESP32-devkitc, esp32-wrover-kit, etc) see on this page.

  • For volume pricing (a reel), please contact espressif directly, we don’t have any discount for this item.
  • The series support back order, but need almost a week to wait for restock, please notice.


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