ESP32-C3 DAT

- RISC-V 
- 160MHz 
- RAM：400KB
- QFN32_5x5

Chip

• ESP32-C3FH4 QFN-32

• ESP32-­C3-­WROOM-0­2-DAT

IPEX Antenna Version

• information regarding conn-IPEX-dat
• antenna-DAT

ESP32-C3 Chip Info

Chip Info

• chip page
• https://www.espressif.com/en/products/socs/esp32-c3
• CN DS
• https://github.com/Edragon/ESP32/blob/master/ESP32-C3/esp32-c3_datasheet_cn.pdf
• EN DS
• https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf
• Reference manual
• https://www.espressif.com/sites/default/files/documentation/esp32-c3_technical_reference_manual_en.pdf

ESP32-C3 Boards

• NWI1239-dat - NWI1126-DAT

• ESP32 C3 super mini ?

modules

• ESP32-C3-Mini-1-DAT - ESP-C3-32S-dat - ESP-C3-12F-dat - ESP32-­C3-­WROOM-0­2-DAT

models	lifetime	Compatible
ESP-C3-12F-dat	x	ESP-12f-dat

C2 / C3

• ESP32-­C3-­WROOM-­02-DAT

obselete - ESP-C3-32S-dat - ESP-C3-12F-DAT

Software

• ESP-SDK-dat

Arduino Setup

• arduino json install
• IDF - Secondary development SDK source code address：https://github.com/espressif/esp-idf
• Find ESP32-C3 DEV board in development branch version

• Setup board

  • Board: ESP32C3 DEV Board
  • Upload Speed: 921600
  • CPU Frequency: 160Mhz (WIFI)
  • Flash Frequency: 40Mhz
  • Flash Mode: QIO
  • Flash Size: ?
  • Partion Scheme: Default 4MB with Spiffs
  • Core Debug Level: None

• USB CDC On Boot: "Disabled"

• CPU Frequency: 160MHz (WiFi)
• Core Debug Level: **None"*
• Erase All Flash Before Sketch Upload: "Enabled"
• Flash Frequency: **80MHz"*
• Flash Mode: "QIO"
• Flash Size: "4MB (32Mb)"
• JTAG Adapter: "Disabled"
• Partition Scheme: "Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)"
• Upload Speed: 921600"
• Zigbee Mode: "Disabled"

Open Issues

I2C

• https://github.com/espressif/arduino-esp32/issues/5478

Boot Log

If you have a serial USB-TTL bridge board or cable, you can read following debug output from the serial

ESP32-C3S

ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0x1 (POWERON),boot:0x7 (DOWNLOAD(USB/UART0/1))
waiting for download

ESP32-C3-12F

ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0x1 (POWERON),boot:0x0 (USB_BOOT)
wait usb download

Hardware

• ESP32-C3-usb-dat - Chip-cn-dat/Espressif-dat/ESP32-C3-dat/ESP32-C3-low-power-dat

• notice DPR1039-dat more stable than common PL2303HX

ESP32-C3 Enter into Flash Mode

• Connect wiring first, TXD->RXD, RXD->TXD, 5V, GND
• Hold down IO9
• Press EN or RST button to restart (re-power) the module
• Now it is enter into flash mode

update logs and issues

• CONN-USB-micro-vertical-dat

ref

• USB-OTG-dat

• ESP32-C3-DAT

• ESP32-C3