# ESP8685H4 (Component) ## Description IC RF TxRx + MCU Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 2.4GHz 28-VFQFN Exposed Pad ESP8685H4 is a 2.4 GHz Wi-Fi 4 and Bluetooth® 5 (LE) wireless microcontroller integrating a 32-bit RISC-V single-core processor with 4 MB embedded flash memory. It operates from a 3.0 V to 3.6 V supply, supports IEEE 802.11 b/g/n and Bluetooth 5 LE, and provides multiple peripherals including SPI, UART, I²C, I²S, PWM, ADC, RMT, TWAI®, and GPIO for embedded wireless applications. #WiFiModule #BluetoothLE #MCU #2_4GHz #RISCV #Embedded ## Component Details - **Owner:** silicon-yard - **Created:** 7/20/2026 - **Last Updated:** 7/20/2026 - **Visibility:** Public - **Mount:** Surface Mount - **Manufacturer Name:** Espressif Systems - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/a170a049cf5441e75fa5498d42711e8cc73477e68836e2a23c61ce23e1e48620.pdf - **Part Type:** Integrated Circuits - **Package or Case Code:** 28-QFN - **Symbol Style:** parametric-v1 - **Manufacturer Part Number:** ESP8685H4 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C4944062.html) | $1.3435 | 1.7K | | [Mouser](https://www.mouser.com/en/ProductDetail/Espressif-Systems/ESP8685H4?qs=vvQtp7zwQdMSbLfmJ3ZYXQ%3D%3D) | $2.84 | 2.1K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Espressif - **MPN:** ESP8685H4 - **Mount Type:** Surface Mount - **Package / Case Code:** 28-QFN - **Pin Count:** 29 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | LNA_IN | | | 2 | VDD3P3_1 | | | 3 | VDD3P3_2 | | | 4 | XTAL_32K_P | | | 5 | XTAL_32K_N | | | 6 | GPIO2 | | | 7 | CHIP_EN | | | 8 | GPIO3 | | | 9 | MTMS | | | 10 | MTDI | | | 11 | VDD3P3_RTC | | | 12 | MTCK | | | 13 | MTDO | | | 14 | GPIO8 | | | 15 | GPIO9 | | | 16 | GPIO10 | | | 17 | VDD3P3_CPU | | | 18 | VDD_SPI | | | 19 | NC_1 | | | 20 | NC_2 | | | 21 | GPIO18 | | | 22 | GPIO19 | | | 23 | U0RXD | | | 24 | U0TXD | | | 25 | XTAL_N | | | 26 | XTAL_P | | | 27 | VDDA_1 | | | 28 | VDDA_2 | | | 29 | GND/EP | | --- *Generated from [https://www.flux.ai/silicon-yard/esp8685h4](https://www.flux.ai/silicon-yard/esp8685h4)*