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

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

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