Espressif Systems ESP32-WROOM-32E generic Wi-Fi+BT+Bluetooth LE MCU

Espressif Systems ESP32-WROOM-32E generic Wi-Fi+BT+Bluetooth LE MCU

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ESP32-WROOM-32E integrates ESP32-D0WD-V3 and has higher stability and security performance

ESP32-WROOM-32E integrates ESP32-D0WD-V3 and has higher stability and security performance. It is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding.

Key features

  • Extra security against Fault Injection Attacks
  • Robust & Compact Design
  • Ultra-low power consumption
  • Optimized Layout

Additional features

  • MCU:
    • ESP32-WROOM-32E contains a dual-core Xtensa® 32-bit LX6 MCU.
    • 448 KB of ROM for booting and core functions.
    • 520 KB of on-chip SRAM for data and instructions.
    • 8 KB of SRAM in RTC, which is called RTC FAST Memory and can be used for data storage; it is accessed by the main CPU during RTC Boot from the Deep-sleep mode.
    • 8 KB of SRAM in RTC, which is called RTC SLOW Memory and can be accessed by the co-processor during the Deep-sleep mode.
    • 1 Kbit of eFuse: 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.
  • Hardware:
    • Module interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC
    • 4 MB SPI flash
    • Operating supply voltage: 3.0 V to 3.6 V
    • Recommended operating temperature range: -40 °C to +85 °C
  • Wi-Fi:
    • Protocols: 802.11 b/g/n (802.11n up to 150 Mbps); A-MPDU and A-MSDU aggregation and 0.4 µs guard interval support
    • Frequency range: 2.4 GHz ~ 2.5 GHz
  • Bluetooth:
    • Protocols: Bluetooth v4.2 BR/EDR and BLE specification
    • Radio: NZIF receiver with –97 dBm sensitivity; Class-1, class-2, and class-3 transmitter; AFH
    • Audio: CVSD and SBC
  • Certification:
    • Bluetooth certification: BQB
    • Wi-Fi certification: Wi-Fi Alliance
    • RF certification: FCC/CE-RED/SRRC/IC/MIC
    • Green certification: REACH/RoHS

more information: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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