ESP32-WROOM-32E

1.1 Features

CPU and On-Chip Memory

• ESP32-D0WD-V3 or ESP32-D0WDR2-V3
embedded, Xtensa dual-core 32-bit LX6
microprocessor, up to 240 MHz

• 448 KB ROM

• 520 KB SRAM

• 16 KB SRAM in RTC

Wi-Fi

• 802.11b/g/n

• Bit rate: 802.11n up to 150 Mbps

• A-MPDU and A-MSDU aggregation

• 0.4 µs guard interval support

• Center frequency range of operating channel:
2412 ~ 2484 MHz

Bluetooth
®

• Bluetooth V4.2 BR/EDR and Bluetooth LE
speciffcation

• Class-1, class-2 and class-3 transmitter

• AFH

• CVSD and SBC

Peripherals

• Up to 26 GPIOs

– 5 strapping GPIOs

• SD card, UART, SPI, SDIO, I2C, LED PWM, Motor
PWM, I2S, IR, pulse counter, GPIO, capacitive
touch sensor, ADC, DAC, TWAI
® (compatible
with ISO 11898-1, i.e. CAN Speciffcation 2.0)

Integrated Components on Module

• 40 MHz crystal oscillator

• 4/8/16 MB SPI ffash

• ESP32-D0WDR2-V3 also provides 2 MB PSRAM

Antenna Options

• ESP32-WROOM-32E: On-board PCB antenna

• ESP32-WROOM-32UE: external antenna via a
connector

Operating Conditions

• Operating voltage/Power supply: 3.0 ~ 3.6 V

• Operating ambient temperature:

– 85 °C version: –40 ~ 85 °C

– 105 °C version: –40 ~ 105 °C. Note that
only the modules embedded with a 4/8
MB ffash support this version.

Certiffcation

• Bluetooth certiffcation: BQB

• RF certiffcation: See certiffcates for

ESP32-WROOM-32E and ESP32-WROOM-32UE

• Green certiffcation: REACH/RoHS

Test

• HTOL/HTSL/uHAST/TCT/ESD