Skip to main content
ESPBoards

ATMegaZero ESP32-S2 Development Board Pinout and Technical Specifications

Code name: atmegazero_esp32s2

ATMegaZero ESP32-S2 development board is based on esp32s2 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 16MB.


Quick Links

ATMegaZero ESP32-S2 imageATMegaZero ESP32-S2 image

ATMegaZero ESP32-S2 Specs

Below you can find the specifications of ATMegaZero ESP32-S2, such as features, connectivity options, and ATMegaZero ESP32-S2 technical specs.

Features

  • 48 digital IO pins
  • 46 external interrupt pins
  • 20 analog input pins
  • 23 PWM pins

Connectivity

  • WiFi: 802.11 b/g/n (2.4 GHz)

Technical specs

Clock Speed240 MHz
Flash size16MB
Microcontrolleresp32s2
Architecturextensa

ATMegaZero ESP32-S2 Pins Mapping Arduino IDE

Below you can find the ATMegaZero ESP32-S2 pinout. This development board provides 48 digital IO pins, out of which 46 can be used as an external interrupt pins , 20 as analog input pins and 23 pins have Pulse-Width Modulation (PWM) .

PinAnalogTouchPWMOther
0
1T1PWM
2T2PWM
3A5T3PWM
4T4PWM
5T5PWM
6A4T6PWM
7T7PWM
8T8PWMSDA
9T9PWMSCL
10T10PWM
11T11PWM
12A3T12PWM
13A2T13PWM
14T14PWM
17A0PWMDAC1
18A1PWMDAC2
35PWMMOSI
36PWMSCK
37PWMMISO
38PWMSS
40PWMNEOPIXEL
43PWMTX
44PWMRX
Analog - Analog input pins
Touch - Touch pins
Function - Function pins
RX / TX - Receive (RX) / Transmit (TX)
LED_BUILTIN - Built-in LED
PWM - Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modeqio
Boot modeqio
PSRAM type
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The ATMegaZero ESP32-S2 development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for ATMegaZero ESP32-S2 development board by default is qio and qio respectively.