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AvailableVerified 2026-10-11 ## Best for - USB, touch, display and camera devices that do not need Bluetooth ## Avoid for - Projects that require Bluetooth or Thread ## CPU & memory Architecture Xtensa LX7 Core(s) 1 Maximum clock 240 MHz On-chip SRAM 320 KB ROM 128 KB Flash External or in-package by part PSRAM External support Packages QFN56 7×7 mm ## Wireless Wi-Fi 2.4 GHz Wi-Fi 4 Wi-Fi max rate 150 Mbps Bluetooth None IEEE 802.15.4 No ## Interfaces USB OTG full-speed USB Serial/JTAG No Ethernet MAC No Camera Yes Display Yes SD/MMC No Maximum GPIO 43 ## Security Secure boot Yes Flash encryption Yes Crypto accelerators AES-128/192/256 · SHA · RSA · HMAC · DS · RNG TEE / APM No ## Analog & power ADC channels 20 ADC resolution 12-bit Touch sensing Yes Touch channels 14 Supply voltage 2.7–3.6 V ULP core ULP-FSM + ULP-RISC-V Deep-sleep current Not confirmed ## Lifecycle & timing Announced Not confirmed Mass production Not confirmed NRND Not confirmed EOL Not confirmed ## Official modules Every official ESP32 base module, grouped by series. Status follows the ordering codes; "Mixed" means they differ. Module Status Form factor Antenna Flash PSRAM ESP32-S2-MINI-2 Available MINI PCB Not confirmed Not confirmed ESP32-S2-MINI-2U Available MINI Connector Not confirmed Not confirmed ESP32-S2-MINI-1 Mixed MINI PCB Not confirmed Not confirmed ESP32-S2-MINI-1U Mixed MINI Connector Not confirmed Not confirmed ESP32-S2-SOLO-2 Mixed SOLO PCB Not confirmed Not confirmed ESP32-S2-SOLO-2U Mixed SOLO Connector Not confirmed Not confirmed ESP32-S2-SOLO EOL SOLO PCB Not confirmed Not confirmed ESP32-S2-SOLO-U EOL SOLO Connector Not confirmed Not confirmed ESP32-S2-WROVER EOL WROVER PCB Not confirmed Not confirmed ESP32-S2-WROVER-I EOL WROVER Connector Not confirmed Not confirmed ESP32-S2-WROOM Mixed WROOM PCB Not confirmed Not confirmed ESP32-S2-WROOM-I Mixed WROOM Connector Not confirmed Not confirmed ## Official development boards Official Espressif development boards, including discontinued boards from the per-series EOL lists. Board Status Board type ESP32-S2-DevKitC-1 Available DevKitC ESP32-S2-DevKitM-1 EOL DevKitM ESP32-S2-HMI-DevKit-1 EOL Other ESP32-S2-Touch-Devkit-1 EOL Other ESP32-S2-Kaluga-1 EOL Other ESP32-S2-Saola-1 EOL Other Where to buy ## Official page and distributor search These are search and official pages, not live stock or price quotes. Confirm the exact ordering code with the seller. [Espressif product page ↗](https://www.espressif.com/en/products/socs/esp32-s2)[Official datasheet ↗](https://documentation.espressif.com/esp32-s2_datasheet_en.html)[Authorized distributors ↗](https://www.espressif.com/en/contact-us/distributors)[Search LCSC ↗](https://www.lcsc.com/search?q=ESP32-S2)[Search Digi-Key ↗](https://www.digikey.com/en/products/result?keywords=ESP32-S2)[Search Mouser ↗](https://www.mouser.com/c/?q=ESP32-S2) ## Official chip ordering codes Each row is an official SoC or SiP. Buy links search that exact part name. Part Status Package Flash PSRAM Buy ESP32-S2 Available QFN56 See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP32-S2)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-S2)[Search Mouser](https://www.mouser.com/c/?q=ESP32-S2) ESP32-S2R2 Available QFN56 See datasheet 2 MB in-package PSRAM [Search LCSC](https://www.lcsc.com/search?q=ESP32-S2R2)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-S2R2)[Search Mouser](https://www.mouser.com/c/?q=ESP32-S2R2) ESP32-S2FH4 Available QFN56 See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP32-S2FH4)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-S2FH4)[Search Mouser](https://www.mouser.com/c/?q=ESP32-S2FH4) ESP32-S2FN4R2 Available QFN56 See datasheet 2 MB in-package PSRAM [Search LCSC](https://www.lcsc.com/search?q=ESP32-S2FN4R2)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-S2FN4R2)[Search Mouser](https://www.mouser.com/c/?q=ESP32-S2FN4R2) Chip package ## Chip pin map Package top view from the official series datasheet. Filter pins or open the accessible table. This is a reference map, not an electrical simulator. All pinsPower pinsGPIO pinsAnalog pinsMemory pinsJTAG pinsUART pins Pin mapPin list QFN56, top viewESP32-S2 Series Datasheet v1.9QFN56VDDALNA\_INVDD3P3VDD3P3GPIO0GPIO1GPIO2GPIO3GPIO4GPIO5GPIO6GPIO7GPIO8GPIO9GPIO10GPIO11GPIO12GPIO13GPIO14VDD3P3\_RTCXTAL\_32K\_PXTAL\_32K\_NDAC\_1DAC\_2GPIO19GPIO20VDD3P3\_RTC\_IOGPIO21SPICS1VDD\_SPISPIHDSPIWPSPICS0SPICLKSPIQSPIDGPIO33GPIO34GPIO35GPIO36GPIO37GPIO38MTCKMTDOVDD3P3\_CPUMTDIMTMSU0TXDU0RXDGPIO45VDDAXTAL\_NXTAL\_PVDDAGPIO46CHIP\_PUGND Pin details Select a pin to inspect its functions and warnings. Complete accessible pin table Physical pin Label Functions Direction Warnings 1 VDDA VDDA Power — 2 LNA\_IN LNA\_IN Input — 3 VDD3P3 VDD3P3 Power — 4 VDD3P3 VDD3P3 Power — 5 GPIO0 GPIO0, GPIO Matrix Bidirectional — 6 GPIO1 GPIO1, GPIO Matrix Bidirectional — 7 GPIO2 GPIO2, GPIO Matrix Bidirectional — 8 GPIO3 GPIO3, GPIO Matrix Bidirectional — 9 GPIO4 GPIO4, GPIO Matrix Bidirectional — 10 GPIO5 GPIO5, GPIO Matrix Bidirectional — 11 GPIO6 GPIO6, GPIO Matrix Bidirectional — 12 GPIO7 GPIO7, GPIO Matrix Bidirectional — 13 GPIO8 GPIO8, GPIO Matrix Bidirectional — 14 GPIO9 GPIO9, GPIO Matrix Bidirectional — 15 GPIO10 GPIO10, GPIO Matrix Bidirectional — 16 GPIO11 GPIO11, GPIO Matrix Bidirectional — 17 GPIO12 GPIO12, GPIO Matrix Bidirectional — 18 GPIO13 GPIO13, GPIO Matrix Bidirectional — 19 GPIO14 GPIO14, GPIO Matrix Bidirectional — 20 VDD3P3\_RTC VDD3P3\_RTC Power — 21 XTAL\_32K\_P XTAL\_32K\_P Input — 22 XTAL\_32K\_N XTAL\_32K\_N Input — 23 DAC\_1 DAC\_1 Input — 24 DAC\_2 DAC\_2 Input — 25 GPIO19 GPIO19, GPIO Matrix Bidirectional — 26 GPIO20 GPIO20, GPIO Matrix Bidirectional — 27 VDD3P3\_RTC\_IO VDD3P3\_RTC\_IO Power — 28 GPIO21 GPIO21, GPIO Matrix Bidirectional — 29 SPICS1 SPICS1 Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 30 VDD\_SPI VDD\_SPI Power — 31 SPIHD SPIHD Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 32 SPIWP SPIWP Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 33 SPICS0 SPICS0 Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 34 SPICLK SPICLK Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 35 SPIQ SPIQ Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 36 SPID SPID Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 37 GPIO33 GPIO33, GPIO Matrix Bidirectional — 38 GPIO34 GPIO34, GPIO Matrix Bidirectional — 39 GPIO35 GPIO35, GPIO Matrix Bidirectional — 40 GPIO36 GPIO36, GPIO Matrix Bidirectional — 41 GPIO37 GPIO37, GPIO Matrix Bidirectional — 42 GPIO38 GPIO38, GPIO Matrix Bidirectional — 43 MTCK MTCK Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 44 MTDO MTDO Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 45 VDD3P3\_CPU VDD3P3\_CPU Power — 46 MTDI MTDI Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 47 MTMS MTMS Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 48 U0TXD U0TXD Bidirectional — 49 U0RXD U0RXD Bidirectional — 50 GPIO45 GPIO45, GPIO Matrix Bidirectional — 51 VDDA VDDA Power — 52 XTAL\_N XTAL\_N Input — 53 XTAL\_P XTAL\_P Input — 54 VDDA VDDA Power — 55 GPIO46 GPIO46, GPIO Matrix Bidirectional — 56 CHIP\_PU CHIP\_PU Input Enable pin. Do not leave it floating; follow the datasheet power-up circuit. 57 GND GND Power — ## Official evidence [Official source: ESP32-S2 product page ↗](https://www.espressif.com/en/products/socs/esp32-s2)[Datasheet: ESP32-S2 Series Datasheet ↗](https://documentation.espressif.com/esp32-s2_datasheet_en.html) esp.run is an independent guide and is not affiliated with Espressif Systems. Independent guideData verified 2026-10-11 [Official sources ↗](https://www.espressif.com/en/products/socs)