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Espressif ESP32 User Manual

Espressif ESP32
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3. Introduction to the EspRFtestTool
3. Introduction to the
EspRFtestTool
The EspRFtestTool includes the following features:
Configurable download addresses of firmware, including RAM and flash
Three RF test items: Wi-Fi, BT and manually-input-command tests
Log output can be printed or saved
Online help documentation
Figure 3-1 shows the EspRFtestTool interface.
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Figure 3-1. EspRFtestTool Interface
There are primarily four sections on the interface:
Serial configuration: The configuration items include chip type, COM port, baud rate
and the status of the serial port.
Download configuration: The configuration items include BIN-selection button,
download address (RAM or flash), download status and load bin (download button).
The status block, highlighted in yellow shows "SYNC", "LOAD", "SUCC" or "FAIL".
Test configuration: The test items include Wi-Fi, BT and manually-input-command
tests. Click on "start" to begin the test, and "stop" to terminate the test.
Espressif
! /!6 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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