ESP32 family reference manuals & datasheets (direct links)

ESP8xxx series

• ESP8266 technical reference manual – datasheet
• ESP8266EX datasheet Note: NRND, upgrade to ESP8684. TRM not available
• ESP8285 datasheet Note: NRND, upgrade to ESP8684. TRM not available
• ESP8684 technical reference manual – datasheet Note: The ESP8684 is identical to the ESP32-C2

ESP32 series

• ESP32 technical reference manual – datasheet

ESP32S series

• ESP32S2 technical reference manual – datasheet
• ESP32S3 technical reference manual – datasheet

ESP32C series

• ESP32C2 technical reference manual – datasheet Note: The ESP-C2 is the identical to the ESP8684
• ESP32C3 technical reference manual – datasheet
• ESP32C6 technical reference manual – datasheet

ESP32H series

• ESP32H2 technical reference manual – datasheet

Source: Espressif document download page