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Espressif Systems ESP32-WROOM-32E wi-fi+BT+bluetooth LE MCU

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

ESP32-WROOM-32E integrates ESP32-D0WD-V3, and has a 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 voltage/Power supply: 3.0 V ~ 3.6 V
Recommended operating temperature range: –40 °C ~ +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