Espressif ESP32 User Guide

2. Getting Started
The configuration items are shown in Table 2-2.
7.
Upload files.
>python esptool_ESP32.py -p dev/tty8 -b 115200 write_flash -ff 40m -
fm qio -fs 2m
0x0 ~/Workspace/ESP32_BIN/boot.bin
0x04000 ~/Workspace/ESP32_BIN/irom1.bin
0x40000 ~/Workspace/ESP32_BIN/bin/irom0_flash.bin
0xFC000 ~/Workspace/ESP32_BIN/blank.bin
0x1FC000 ~/Workspace/ESP32_BIN/esp_init_data_default.bin
For the configuration instructions, refer to Table 2-3. The system will show the information as
below.
Connecting...
Erasing flash...
Wrote 3072 bytes at 0x00000000 in 0.3 seconds (73.8 kbit/s)...
Erasing flash...
Wrote 395264 bytes at 0x04000000 in 43.2 seconds (73.2 kbit/s)...
Erasing flash...
Wrote 1024 bytes at 0x40000000 in 0.1 seconds (74.5 kbit/s)...
Erasing flash...
Wrote 4096 bytes at 0xfc000000 in 0.4 seconds (73.5 kbit/s)...
Erasing flash...
Wrote 4096 bytes at 0x1fc00000 in 0.5 seconds (73.8 kbit/s)...
Leaving...
Table 2-2. Configuration Items of Minicom
Item
Value
Bps/Par/Bits
115200 8N1
Hardware Flow Control
No
Software Flow Control
No
Table 2-3. Configuration Items of uploading files
Item
Value
COM Port
You can choose an available COM port for the uploading. We use dev/tty in this example.
Baud Rate
Set the baud rate of the uploading. The default value is 115200 bps.
Espressif
2015.12
Confidential

Espressif ESP32 Specifications

General

Clock Speed	Up to 240 MHz
SRAM	520 KB
Wi-Fi	802.11 b/g/n
Bluetooth	Bluetooth v4.2 BR/EDR and BLE
GPIO Pins	34
Operating Voltage	2.2V to 3.6V
Operating Temperature	-40°C to +125°C
Processor	Tensilica Xtensa LX6
Flash Memory	4MB (varies by module)
ADC	12-bit SAR ADC up to 18 channels
DAC	2 channels of 8-bit DACs
I2C	2 x I2C
I2S	2 x I2S
Interfaces	CAN 2.0
SPI	4 SPI interfaces
UART	3 x UART