1.1 Features

CPU and On-Chip Memory

• ESP32-S2 or ESP32-S2R2 embedded, Xtensa®

single-core 32-bit LX7 microprocessor, up to

240 MHz

• 128 KB ROM

• 320 KB SRAM

• 16 KB SRAM in RTC

• 2 MB PSRAM (ESP32-S2R2 only)

Wi-Fi

• 802.11 b/g/n

• Bit rate: 802.11n up to 150 Mbps

• A-MPDU and A-MSDU aggregation

• 0.4 μs guard interval support

• Center frequency range of operating channel:

2412 ~ 2484 MHz

Peripherals

• GPIO, SPI, LCD, UART, I2C, I2S, Camera

interface, IR, pulse counter, LED PWM, TWAI®

(compatible with ISO 11898-1, i.e. CAN

Specification 2.0), full-speed USB OTG, ADC,

DAC, touch sensor, temperature sensor,

general-purpose timers, watchdog timers

Note:

* Please refer to ESP32-S2 Series Datasheet for

detailed information about the module peripherals.

Integrated Components on Module

• 40 MHz crystal oscillator

• Quad SPI flash up to 16 MB

Antenna Options

• On-board PCB antenna (ESP32-S2-SOLO-2)

• External antenna via a connector

(ESP32-S2-SOLO-2U)

Operating Conditions

• Operating voltage/Power supply: 3.0 ~ 3.6 V

• Operating ambient temperature:

– 85 °C version: –40 ~ 85 °C

– 105 °C version: –40 ~ 105 °C

(ESP32-S2-SOLO-2-H4) and

ESP32-S2-SOLO-2U-H4 only)

Certification

• RF certification: See certificates

• Green certification: RoHS/REACH

Test

• HTOL/HTSL/uHAST/TCT/ESD/Latch-up