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General| Manufacturer | Espressif Systems |
|---|---|
| Series | ESP32 |
| Model | ESP32-WROOM-32E |
| Category | Control Unit |
| CPU Frequency | 240 MHz |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| Wi-Fi | 802.11 b/g/n |
| Bluetooth | Bluetooth v4.2 BR/EDR and BLE |
| UART | 3 |
| I2C | 2 |
| PWM | 16 channels |
| Touch Sensors | 10 |
| Dimensions | 18 mm x 25.5 mm x 3.1 mm |
| Core | Dual-Core 32-bit LX6 |
| Operating Voltage | 3.0 - 3.6 V |
| Operating Temperature | -40 °C ~ +85 °C |
| ADC | 12-bit SAR ADC, up to 18 channels |
| DAC | 2 x 8-bit |
Provides information on document changes and updates over time.
Details on how to subscribe for email notifications about technical documentation updates.
Information on downloading certificates for Espressif products from the website.
Legal notice regarding document usage, warranties, and intellectual property rights.
Visual representation of the ESP32-WROOM-32E module's pin arrangement and numbering.
Detailed explanation of each pin's name, type, and function on the ESP32-WROOM-32E module.
Identification and behavior of strapping pins that configure the ESP32's boot mode and system settings.
Description of the ESP32's dual-core processors and internal memory architecture, including ROM and SRAM.
Details on how ESP32 supports external QSPI flash and SRAM, including mapping and cache capabilities.
Information about the 40-MHz crystal oscillator used in the ESP32-WROOM-32E module.
Explanation of ESP32's ability to switch between different power modes using advanced power management.
Specifies the maximum stress limits for the device beyond which permanent damage may occur.
Outlines the voltage and temperature ranges for the device to operate correctly and reliably.
Details DC electrical parameters such as pin capacitance, input/output voltages, and currents.
Electrical specifications related to the Wi-Fi radio performance, including frequency range and RF power.
Electrical specifications for the Bluetooth and BLE radio, covering receiver and transmitter characteristics.
Details the receiver characteristics for Bluetooth and BLE, including sensitivity and selectivity.
Details the transmitter characteristics for Bluetooth and BLE, including RF power and frequency stability.
Visual guide and parameters for the recommended reflow soldering process for the module.
Technical specifications and performance data for the integrated PCB antenna.
Lists the versions of the document and their release notes.
Guidelines and conditions for Original Equipment Manufacturers integrating the module into their products.
Information required for product labeling and compliance with regulatory standards.
Details on test modes and any extra testing needed for host product compliance.
Disclaimer and requirements for evaluating the final host product against FCC Part 15B criteria.
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