ESP32 Forum

ESP-IDF v5.0, currently in development, will include initial support for ESP32-C2 and ESP8684 chips.

ESP8684 is a variant of ESP32-C2 chip with flash integrated into the package. Since aside from the package, these chips are identical, ESP-IDF code and documentation uses ESP32-C2 name to refer to both chips. In ESP-IDF, use "idf.py set-target esp32c2" command to configure the project for ESP32-C2 or ESP8684.

Support for these chips in v5.0 is not expected to be production ready, but it will be sufficient to start developing applications. Features and functionality missing for ESP32-C2 in IDF v5.0 will be implemented and released in subsequent feature releases (e.g. v5.1) and backported into bugfix releases (e.g. v5.0.1).

IDF v4.x branches will not support ESP32-C2 and ESP8684.

For each feature, the status (Supported/Not supported) is given. An internal issue reference (such as "IDF-1234") is listed at the end of the feature description to help us keep this list up to date.

This list will be updated as the support for ESP32-C2 and ESP8684 is being developed.

---

• Wi-Fi — Supported
  • 802.11bgn mode
  • Station, SoftAP, sniffer mode
  • ESP-NOW
  • TX/RX AMPDU, TX/RX AMSDU
  • TX Fragment, TXOP
  • WEP/TKIP/CCMP
  • WPA/WPA2-PSK/WPA2-ENT/WPA3-PSK/WPA3-ENT
  • ESP-Touch v1/v2
  • Device Provisioning Protocol(DPP)
  • Network-assisted roaming using 802.11k (Radio Measurements), 802.11v (BTM) specifications and 802.11r (Fast BSS Transition)
  • Wi-Fi modem sleep and light sleep
• BLE — Supported
  • BLE 5.0 Controller
  • HCI
  • NimBLE host with BLE 5.0
  • BLE modem sleep and light sleep
• Wi-Fi & BLE coexistence — Supported
  • Hardware arbiter based coexistence mechanism
  • Application scenarios based scheme coexistence mechanism
• Peripherals
  • ADC
    - ADC Calibration - Supported
    - ADC oneshot mode driver — Supported
  • Dedicated GPIO driver — Supported
  • Ethernet driver
    - SPI Ethernet driver — Supported
  • GDMA — Supported
  • GPIO driver — Supported
  • GPSPI
    - SPI Master driver — Supported
    - SPI Slave driver — Supported
    - SPI Slave HD driver — Supported
  • GPTimer driver — Supported
  • I2C
    - I2C master driver — Supported
  • LCD driver — Supported
    - SPI LCD driver
    - I2C LCD driver
  • LEDC driver — Supported
  • SPI Flash driver — Supported
  • Systimer driver
    - Esptimer implementation over systimer — Supported
    - OS tick port over systimer — Supported
  • Temperature Sensor driver — Supported
  • UART
    - UART FIFO mode driver — Supported
  • memory copy by DMA — Supported
• Power management
  • Dynamic Frequency Scaling — Supported
  • Light Sleep — Supported
  • Deep Sleep — Supported
  • Auto Light Sleep — Supported
• Security Features
  • Secure boot — Supported
  • Flash encryption — Supported
  • ECC accelerator — Supported
  • SHA accelerator — Supported
  • RNG — Supported
• System Features
  • MMU — Supported
  • Watch Dog Timers — Supported
  • Efuse controller driver — Supported
  • Cache — Supported
  • MSPI — Supported
  • Brownout Detector — Supported
  • OTA — Supported
• Tools
  • idf.py — Supported
  • esptool.py — Supported
  • idf_size.py (idf.py size) — Supported
• Debugging
  • JTAG debugging with OpenOCD — Supported
  • JTAG debugging documentation — Supported
  • GDB Stub — Supported
  • Core dump — Supported
• Protocols
  • Provisioning — Supported
  • Other protocols on top of TCP/IP — Supported

---

Updates list:

• Updated Jun 16, 2022: added RNG and BLE support. Removed BLE Mesh, which will not be supported on ESP32-C2.
• Updated Jul 19, 2022: added SHA Accelerator, Power Management, Temperature Sensor support. Removed Wi-Fi FTM, which will not be supported on ESP32-C2. OpenOCD release with ESP32-C2 support is now available in ESP-IDF.
• Updated Dec 22, 2022: added ADC Calibration, ADC oneshot mode driver, idf_size.py, JTAG debugging documentation, GDB Stub, Core dump, Other protocols on top of TCP/IP.
• Updated Feb 24, 2023: marked SPI Ethernet and Watchdogs as supported. Removed SPI Flash Auto Suspend feature which is not planned for the time being. This is the final update to this feature list.