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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