# ESP32-S3FN8 (Component) ## Description SMD IC , Dual-Core MCU, Wi-Fi 2.4G & BLE 5.0 combo, 8 MB Octal SPI PSRAM, QFN 56-pin, 7*7 mm The ESP32-S3FN8 is a highly integrated microcontroller from Espressif, designed for WiFi + Bluetooth applications, with strong support for AI, IoT, and embedded systems. It belongs to the ESP32-S3 series and includes embedded flash memory (8 MB) inside the chip package. Dual-core processor Xtensa® 32-bit LX7 CPUs Up to 240 MHz Includes vector instructions for AI / signal processing Integrated Wireless Connectivity 2.4 GHz WiFi (802.11 b/g/n) Bluetooth 5 (LE) support Embedded Flash 8 MB internal flash (FN8 variant) Reduces need for external memory SRAM + ROM for program execution Supports external PSRAM (depending on design) Optimized for: Edge AI (face detection, voice recognition) DSP applications GPIO (multi-function) SPI, I2C, I2S UART PWM ADC / DAC USB OTG (Full Speed) ← key feature Camera interface (DVP) LCD interface #commonpartslibrary #integratedcircuit #mcu #esp32 ## Component Details - **Owner:** adrian95 - **Created:** 6/14/2023 - **Last Updated:** 4/21/2026 - **Visibility:** Public - **Manufacturer Name:** Espressif Systems - **Datasheet URL:** https://documentation.espressif.com/esp32-s3_datasheet_en.pdf - **License:** https://creativecommons.org/licenses/by/4.0/ - **Symbol Style:** parametric-v1 - **Manufacturer Part Number:** ESP32-S3FN8 - **Part Type:** Integrated Circuit - **Used in:** 304 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/espressif-systems/ESP32-S3FN8/15822446) | $2.28 | 845 | | [LCSC](https://www.lcsc.com/product-detail/C2913196.html) | $3.3159 | 3.4K | | [Mouser](https://www.mouser.com/ProductDetail/Espressif-Systems/ESP32-S3FN8?qs=Rp5uXu7WBW%2F4Oihh5tkiVQ%3D%3D) | $4.05 | 10K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Espressif - **MPN:** ESP32-S3FN8 - **Mount Type:** Surface Mount - **Package / Case Code:** KEY-SMD - **Pin Count:** 57 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 29 | VDD_SPI | | | 20 | VDD3P3_RTC | | | 46 | VDD3P3_CPU | | | 1 | LNA_IN | | | 3 | VDD3P3 | | | 56 | VDDA2 | | | 55 | VDDA1 | | | 2 | VDD3P3 | | | 14 | GPIO9 | | | 38 | GPIO33 | | | 13 | GPIO8 | | | 19 | GPIO14 | | | 52 | GPIO46 | | | 9 | GPIO4 | | | 15 | GPIO10 | | | 24 | GPIO18 | | | 6 | GPIO1 | | | 17 | GPIO12 | | | 42 | GPIO37 | | | 16 | GPIO11 | | | 8 | GPIO3 | | | 12 | GPIO7 | | | 25 | GPIO19 | | | 26 | GPIO20 | | | 41 | GPIO36 | | | 23 | GPIO17 | | | 27 | GPIO21 | | | 39 | GPIO34 | | | 43 | GPIO38 | | | 10 | GPIO5 | | | 51 | GPIO45 | | | 40 | GPIO35 | | | 18 | GPIO13 | | | 5 | GPIO0 | | | 7 | GPIO2 | | | 11 | GPIO6 | | | 49 | U0TXD | | | 32 | SPICS0 | | | 35 | SPID | | | 36 | SPICLK_N | | | 37 | SPICLK_P | | | 31 | SPIWP | | | 50 | U0RXD | | | 33 | SPICLK | | | 30 | SPIHD | | | 34 | SPIQ | | | 28 | SPICS1 | | | 54 | XTAL_P | | | 53 | XTAL_N | | | 21 | XTAL_32K_P | | | 22 | XTAL_32K_N | | | 4 | CHIP_PU | | | 48 | MTMS | | | 47 | MTDI | | | 44 | MTCK | | | 45 | MTDO | | | 57 | GND | | --- *Generated from [https://www.flux.ai/adrian95/esp32-s3fn8~7y7](https://www.flux.ai/adrian95/esp32-s3fn8~7y7)*