[Skip to content](#main-content) [esp.run](/) [Compare](/)[Modules](/modules/)[Dev boards](/devkits/) [EN](/series/esp32-c61/)[中文](/zh/series/esp32-c61/)[日本語](/ja/series/esp32-c61/)[한국어](/ko/series/esp32-c61/) [← All official models](/) # ESP32-C61 Affordable Wi-Fi 6 with PSRAM A 160 MHz RISC-V Wi-Fi 6 and Bluetooth LE MCU with in-package PSRAM options. Mass productionVerified 2026-10-11 ## Best for - Affordable Matter-over-Wi-Fi and memory-flexible IoT ## Avoid for - Thread, Zigbee or 5 GHz Wi-Fi products ## CPU & memory Architecture RISC-V Core(s) 1 Maximum clock 160 MHz On-chip SRAM 320 KB ROM 256 KB Flash External or in-package by part PSRAM In-package options Packages QFN40 5×5 mm ## Wireless Wi-Fi 2.4 GHz Wi-Fi 6 Wi-Fi max rate 150 Mbps Bluetooth Bluetooth 5 LE IEEE 802.15.4 No ## Interfaces USB OTG No USB Serial/JTAG Yes Ethernet MAC No Camera No Display No SD/MMC No Maximum GPIO 30 ## Security Secure boot Yes Flash encryption Yes Crypto accelerators SHA · ECC · ECDSA\_DS · TRNG TEE / APM No ## Analog & power ADC channels 4 ADC resolution 12-bit Touch sensing No Touch channels None Supply voltage 2.7–3.6 V ULP core None Deep-sleep current 10 µA ## Lifecycle & timing Announced Not confirmed Mass production 2025-06-16 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-C61-WROOM-1 Available WROOM PCB Up to 16 MB Up to 8 MB ESP32-C61-WROOM-1U Available WROOM Connector Up to 16 MB Up to 8 MB ESP32-C61-MINI-1 Available MINI PCB Not confirmed Not confirmed ESP32-C61-MINI-1U Available MINI 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-C61-DevKitC-1 Available DevKitC 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-c61)[Official datasheet ↗](https://documentation.espressif.com/esp32-c61_datasheet_en.html)[Authorized distributors ↗](https://www.espressif.com/en/contact-us/distributors)[Search LCSC ↗](https://www.lcsc.com/search?q=ESP32-C61)[Search Digi-Key ↗](https://www.digikey.com/en/products/result?keywords=ESP32-C61)[Search Mouser ↗](https://www.mouser.com/c/?q=ESP32-C61) ## 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-C61HR2 Mass production QFN40 See datasheet 2 MB in-package PSRAM [Search LCSC](https://www.lcsc.com/search?q=ESP32-C61HR2)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-C61HR2)[Search Mouser](https://www.mouser.com/c/?q=ESP32-C61HR2) ESP32-C61HF4 Mass production QFN40 with in-package flash See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP32-C61HF4)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-C61HF4)[Search Mouser](https://www.mouser.com/c/?q=ESP32-C61HF4) ESP32-C61HR8 Mass production QFN40 See datasheet 8 MB in-package PSRAM [Search LCSC](https://www.lcsc.com/search?q=ESP32-C61HR8)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-C61HR8)[Search Mouser](https://www.mouser.com/c/?q=ESP32-C61HR8) ESP32-C61NF8R8LA Mass production LGA40 with in-package memory See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP32-C61NF8R8LA)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP32-C61NF8R8LA)[Search Mouser](https://www.mouser.com/c/?q=ESP32-C61NF8R8LA) 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. QFN40QFN40 with in-package flashLGA40 with in-package memory All pinsPower pinsGPIO pinsAnalog pinsUSB pinsMemory pinsJTAG pinsUART pinsDedicated signals Pin mapPin list QFN40, top viewESP32-C61 Series Datasheet v1.1QFN40ANT\_2GVDDA3VDDA4CHIP\_PUVDDPST1XTAL\_32K\_PXTAL\_32K\_NGPIO2MTMSMTDIMTCKMTDOSDIO\_CMDSDIO\_CLKSDIO\_DATA0SDIO\_DATA1SDIO\_DATA2SDIO\_DATA3SPICS1SPICS0VDDPST2SPIQSPIWPVDD\_SPISPIHDSPICLKSPIDUSB\_D-USB\_D+GPIO24GPIO8GPIO9U0RXDU0TXDGPIO29GPIO7VDDA1XTAL\_NXTAL\_PVDDA2GND Pin details Select a pin to inspect its functions and warnings. Complete accessible pin table Physical pin Label Functions Direction Warnings 1 ANT\_2G ANT\_2G Input — 2 VDDA3 VDDA3 Power — 3 VDDA4 VDDA4 Power — 4 CHIP\_PU CHIP\_PU Input Enable pin. Do not leave it floating; follow the datasheet power-up circuit. 5 VDDPST1 VDDPST1 Power — 6 XTAL\_32K\_P XTAL\_32K\_P Input — 7 XTAL\_32K\_N XTAL\_32K\_N Input — 8 GPIO2 GPIO2, GPIO Matrix Bidirectional — 9 MTMS MTMS Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 10 MTDI MTDI Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 11 MTCK MTCK Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 12 MTDO MTDO Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 13 SDIO\_CMD SDIO\_CMD Bidirectional — 14 SDIO\_CLK SDIO\_CLK Bidirectional — 15 SDIO\_DATA0 SDIO\_DATA0 Bidirectional — 16 SDIO\_DATA1 SDIO\_DATA1 Bidirectional — 17 SDIO\_DATA2 SDIO\_DATA2 Bidirectional — 18 SDIO\_DATA3 SDIO\_DATA3 Bidirectional — 19 SPICS1 SPICS1 Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 20 SPICS0 SPICS0 Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 21 VDDPST2 VDDPST2 Power — 22 SPIQ SPIQ Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 23 SPIWP SPIWP Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 24 VDD\_SPI VDD\_SPI Power — 25 SPIHD SPIHD Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 26 SPICLK SPICLK Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 27 SPID SPID Bidirectional This signal may be reserved by in-package flash or PSRAM on some ordering codes. 28 USB\_D- USB\_D- Bidirectional — 29 USB\_D+ USB\_D+ Bidirectional — 30 GPIO24 GPIO24, GPIO Matrix Bidirectional — 31 GPIO8 GPIO8, GPIO Matrix Bidirectional — 32 GPIO9 GPIO9, GPIO Matrix Bidirectional — 33 U0RXD U0RXD Bidirectional — 34 U0TXD U0TXD Bidirectional — 35 GPIO29 GPIO29, GPIO Matrix Bidirectional — 36 GPIO7 GPIO7, GPIO Matrix Bidirectional — 37 VDDA1 VDDA1 Power — 38 XTAL\_N XTAL\_N Input — 39 XTAL\_P XTAL\_P Input — 40 VDDA2 VDDA2 Power — 41 GND GND Power — ## Official evidence [Official source: ESP32-C61 product page ↗](https://www.espressif.com/en/products/socs/esp32-c61)[Official source: ESP32-C61 Mass Production ↗](https://www.espressif.com/en/news/C61_Mass_Production)[Datasheet: ESP32-C61 Series Datasheet ↗](https://documentation.espressif.com/esp32-c61_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)