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ESP32-S3

AIoT, vision and HMI workhorse

Dual-core Xtensa LX7 with vector instructions, Wi-Fi, Bluetooth LE and native USB.

AvailableVerified 2026-10-11

Best for

  • Edge AI, voice, camera and display products

Avoid for

  • Thread, Zigbee or 5 GHz Wi-Fi products

CPU & memory

Architecture
Xtensa LX7
Core(s)
2
Maximum clock
240 MHz
On-chip SRAM
512 KB
ROM
384 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
Bluetooth 5 LE
IEEE 802.15.4
No

Interfaces

USB OTG
full-speed
USB Serial/JTAG
Yes
Ethernet MAC
No
Camera
Yes
Display
Yes
SD/MMC
Yes
Maximum GPIO
45

Security

Secure boot
Yes
Flash encryption
Yes
Crypto accelerators
AES · 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
7 µA

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.

ModuleStatusForm factorAntennaFlashPSRAM
ESP32-S3-WROOM-1AvailableWROOMPCBUp to 16 MBUp to 16 MB
ESP32-S3-WROOM-1UAvailableWROOMConnectorUp to 16 MBUp to 16 MB
ESP32-S3-WROOM-2AvailableWROOMPCBUp to 32 MB (Octal)Up to 16 MB (Octal)
ESP32-S3-MINI-1AvailableMINIPCBNot confirmedNot confirmed
ESP32-S3-MINI-1UAvailableMINIConnectorNot confirmedNot confirmed

Official development boards

Official Espressif development boards, including discontinued boards from the per-series EOL lists.

BoardStatusBoard type
ESP32-S3-DevKitC-1AvailableDevKitC
ESP-VoCatAvailableOther
ESP32-S3-BOX-3AvailableBOX
ESP32-S3-EYEAvailableEYE
ESP32-S3-USB-OTGAvailableOther
ESP32-S3-Korvo-2AvailableKorvo
ESP32-S3-LCD-EV-BoardAvailableFunction EV board
ESP-DualKeyAvailableOther
ESP32-S3-DevKitM-1EOLDevKitM
ESP32-S3-USB-BridgeEOLOther

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 Official datasheet Authorized distributors Search LCSC Search Digi-Key Search Mouser

Official chip ordering codes

Each row is an official SoC or SiP. Buy links search that exact part name.

PartStatusPackageFlashPSRAMBuy
ESP32-S3AvailableQFN56See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3R8AvailableQFN56See datasheet8 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3FN8AvailableQFN56See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3FH4R2AvailableQFN56See datasheet2 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3R16VAvailableQFN56See datasheet16 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3RH2AvailableQFN56See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3-PICO-1-N8R2AvailableESP32-S3-PICO-1-N8R2 LGA56 SiP8 MB in-package flash2 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S3-PICO-1-N8R8AvailableESP32-S3-PICO-1-N8R8 LGA56 SiP8 MB in-package flash8 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser

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.

QFN56, top viewESP32-S3 Series Datasheet v2.2QFN56LNA_INVDD3P3VDD3P3CHIP_PUGPIO0GPIO1GPIO2GPIO3GPIO4GPIO5GPIO6GPIO7GPIO8GPIO9GPIO10GPIO11GPIO12GPIO13GPIO14VDD3P3_RTCXTAL_32K_PXTAL_32K_NGPIO17GPIO18GPIO19GPIO20GPIO21SPICS1VDD_SPISPIHDSPIWPSPICS0SPICLKSPIQSPIDSPICLK_NSPICLK_PGPIO33GPIO34GPIO35GPIO36GPIO37GPIO38MTCKMTDOVDD3P3_CPUMTDIMTMSU0TXDU0RXDGPIO45GPIO46XTAL_NXTAL_PVDDAVDDAGND
Complete accessible pin table
Physical pinLabelFunctionsDirectionWarnings
1LNA_INInput—
2VDD3P3Power—
3VDD3P3Power—
4CHIP_PUInputEnable pin. Do not leave it floating; follow the datasheet power-up circuit.
5GPIO0, GPIO MatrixBidirectional—
6GPIO1, GPIO MatrixBidirectional—
7GPIO2, GPIO MatrixBidirectional—
8GPIO3, GPIO MatrixBidirectional—
9GPIO4, GPIO MatrixBidirectional—
10GPIO5, GPIO MatrixBidirectional—
11GPIO6, GPIO MatrixBidirectional—
12GPIO7, GPIO MatrixBidirectional—
13GPIO8, GPIO MatrixBidirectional—
14GPIO9, GPIO MatrixBidirectional—
15GPIO10, GPIO MatrixBidirectional—
16GPIO11, GPIO MatrixBidirectional—
17GPIO12, GPIO MatrixBidirectional—
18GPIO13, GPIO MatrixBidirectional—
19GPIO14, GPIO MatrixBidirectional—
20VDD3P3_RTCPower—
21XTAL_32K_PInput—
22XTAL_32K_NInput—
23GPIO17, GPIO MatrixBidirectional—
24GPIO18, GPIO MatrixBidirectional—
25GPIO19, GPIO MatrixBidirectional—
26GPIO20, GPIO MatrixBidirectional—
27GPIO21, GPIO MatrixBidirectional—
28SPICS1BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
29VDD_SPIPower—
30SPIHDBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
31SPIWPBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
32SPICS0BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
33SPICLKBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
34SPIQBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
35SPIDBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
36SPICLK_NBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
37SPICLK_PBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
38GPIO33, GPIO MatrixBidirectional—
39GPIO34, GPIO MatrixBidirectional—
40GPIO35, GPIO MatrixBidirectional—
41GPIO36, GPIO MatrixBidirectional—
42GPIO37, GPIO MatrixBidirectional—
43GPIO38, GPIO MatrixBidirectional—
44MTCKBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
45MTDOBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
46VDD3P3_CPUPower—
47MTDIBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
48MTMSBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
49U0TXDBidirectional—
50U0RXDBidirectional—
51GPIO45, GPIO MatrixBidirectional—
52GPIO46, GPIO MatrixBidirectional—
53XTAL_NInput—
54XTAL_PInput—
55VDDAPower—
56VDDAPower—
57GNDPower—

Official evidence

Official source: ESP32-S3 product page Datasheet: ESP32-S3 Series Datasheet

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