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Espressif ESP32 User Manual

Espressif ESP32
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1. Demonstration Setup
The setup required for conducting the RF performance test is shown below:
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Figure 1-1. RF Performance Test Setup
Device Under Test (DUT): It is an ESP8266 or ESP32 module that runs the RF test
program. ESP-WROOM-02 and ESP-WROOM-32 are used as examples in this
demonstration.
PC: The RF testing tool runs on the PC. It communicates with the DUT through the
UART interface.
RF tester: It is a piece of equipment that tests the RF performance of ESP-WROOM-02
and ESP-WROOM-32, working in different modes. IQView or other similar testers are
recommended. This demo uses IQView as an example.
Espressif
! /!1 19
2018.03

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Espressif ESP32 Specifications

General IconGeneral
Clock SpeedUp to 240 MHz
SRAM520 KB
Wi-Fi802.11 b/g/n
BluetoothBluetooth v4.2 BR/EDR and BLE
GPIO Pins34
Operating Voltage2.2V to 3.6V
Operating Temperature-40°C to +125°C
ProcessorTensilica Xtensa LX6
Flash Memory4MB (varies by module)
ADC12-bit SAR ADC up to 18 channels
DAC2 channels of 8-bit DACs
I2C2 x I2C
I2S2 x I2S
InterfacesCAN 2.0
SPI4 SPI interfaces
UART3 x UART

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