.. code-block:: none idf.py efuse-summary Executing action: efuse-summary (...) EFUSE_NAME (Block) Description = [Meaningful Value] [Readable/Writeable] (Hex Value) ---------------------------------------------------------------------------------------- Calibration fuses: OCODE (BLOCK2) OCode = 78 R/W (0b1001110) TEMP_CALIB (BLOCK2) Temperature calibration data = -7.4 R/W (0b101001010) ADC1_INIT_CODE_ATTEN0 (BLOCK2) ADC1 init code at atten0 = 28 R/W (0x07) ADC1_INIT_CODE_ATTEN3 (BLOCK2) ADC1 init code at atten3 = 0 R/W (0b10000) ADC1_CAL_VOL_ATTEN0 (BLOCK2) ADC1 calibration voltage at atten0 = -44 R/W (0x8b) ADC1_CAL_VOL_ATTEN3 (BLOCK2) ADC1 calibration voltage at atten3 = 16 R/W (0b000100) DIG_DBIAS_HVT (BLOCK2) BLOCK2 digital dbias when hvt = -16 R/W (0b10100) DIG_LDO_SLP_DBIAS2 (BLOCK2) BLOCK2 DIG_LDO_DBG0_DBIAS2 = -8 R/W (0b1000010) DIG_LDO_SLP_DBIAS26 (BLOCK2) BLOCK2 DIG_LDO_DBG0_DBIAS26 = 24 R/W (0x06) DIG_LDO_ACT_DBIAS26 (BLOCK2) BLOCK2 DIG_LDO_ACT_DBIAS26 = 16 R/W (0b000100) DIG_LDO_ACT_STEPD10 (BLOCK2) BLOCK2 DIG_LDO_ACT_STEPD10 = 12 R/W (0x3) RTC_LDO_SLP_DBIAS13 (BLOCK2) BLOCK2 DIG_LDO_SLP_DBIAS13 = 88 R/W (0b0010110) RTC_LDO_SLP_DBIAS29 (BLOCK2) BLOCK2 DIG_LDO_SLP_DBIAS29 = 96 R/W (0b000011000) RTC_LDO_SLP_DBIAS31 (BLOCK2) BLOCK2 DIG_LDO_SLP_DBIAS31 = 4 R/W (0b000001) RTC_LDO_ACT_DBIAS31 (BLOCK2) BLOCK2 DIG_LDO_ACT_DBIAS31 = 24 R/W (0b000110) RTC_LDO_ACT_DBIAS13 (BLOCK2) BLOCK2 DIG_LDO_ACT_DBIAS13 = 72 R/W (0x12) Config fuses: WR_DIS (BLOCK0) Disable programming of individual eFuses = 0 R/W (0x00) RD_DIS (BLOCK0) Disable reading from BlOCK3 = 0 R/W (0b00) UART_PRINT_CONTROL (BLOCK0) Set the default UARTboot message output mode = Enable R/W (0b00) DIS_DIRECT_BOOT (BLOCK0) This bit set means disable direct_boot mode = False R/W (0b0) Flash fuses: FORCE_SEND_RESUME (BLOCK0) Set this bit to force ROM code to send a resume co = False R/W (0b0) mmand during SPI boot FLASH_TPUW (BLOCK0) Configures flash waiting time after power-up; in u = 0 R/W (0x0) nit of ms. If the value is less than 15; the waiti ng time is the configurable value. Otherwise; the waiting time is twice the configurable value Identity fuses: DISABLE_WAFER_VERSION_MAJOR (BLOCK0) Disables check of wafer version major = False R/W (0b0) DISABLE_BLK_VERSION_MAJOR (BLOCK0) Disables check of blk version major = False R/W (0b0) WAFER_VERSION_MINOR (BLOCK2) WAFER_VERSION_MINOR = 2 R/W (0x2) WAFER_VERSION_MAJOR (BLOCK2) WAFER_VERSION_MAJOR = 1 R/W (0b01) PKG_VERSION (BLOCK2) EFUSE_PKG_VERSION = 1 R/W (0b001) BLK_VERSION_MINOR (BLOCK2) Minor version of BLOCK2 = With calib R/W (0b001) BLK_VERSION_MAJOR (BLOCK2) Major version of BLOCK2 = 0 R/W (0b00) Jtag fuses: DIS_PAD_JTAG (BLOCK0) Set this bit to disable pad jtag = False R/W (0b0) Mac fuses: CUSTOM_MAC_USED (BLOCK0) True if MAC_CUSTOM is burned = False R/W (0b0) CUSTOM_MAC (BLOCK1) Custom MAC address = 00:00:00:00:00:00 (OK) R/W MAC (BLOCK2) MAC address = 08:3a:8d:5c:4b:94 (OK) R/W Security fuses: DIS_DOWNLOAD_ICACHE (BLOCK0) The bit be set to disable icache in download mode = False R/W (0b0) DIS_DOWNLOAD_MANUAL_ENCRYPT (BLOCK0) The bit be set to disable manual encryption = False R/W (0b0) SPI_BOOT_CRYPT_CNT (BLOCK0) Enables flash encryption when 1 or 3 bits are set = Disable R/W (0b000) and disables otherwise XTS_KEY_LENGTH_256 (BLOCK0) Flash encryption key length = 128 bits key R/W (0b0) DIS_DOWNLOAD_MODE (BLOCK0) Set this bit to disable download mode (boot_mode[3 = False R/W (0b0) :0] = 0; 1; 2; 4; 5; 6; 7) ENABLE_SECURITY_DOWNLOAD (BLOCK0) Set this bit to enable secure UART download mode = False R/W (0b0) SECURE_BOOT_EN (BLOCK0) The bit be set to enable secure boot = False R/W (0b0) SECURE_VERSION (BLOCK0) Secure version for anti-rollback = 0 R/W (0x0) BLOCK_KEY0 (BLOCK3) BLOCK_KEY0 - 256-bits. 256-bit key of Flash Encryp = 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R/W tion BLOCK_KEY0_LOW_128 (BLOCK3) BLOCK_KEY0 - lower 128-bits. 128-bit key of Flash = 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R/W Encryption BLOCK_KEY0_HI_128 (BLOCK3) BLOCK_KEY0 - higher 128-bits. 128-bits key of Secu = 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R/W re Boot Wdt fuses: WDT_DELAY_SEL (BLOCK0) RTC watchdog timeout threshold; in unit of slow cl = 40000 R/W (0b00) ock cycle To get a dump for all eFuse registers. .. code-block:: none idf.py efuse-dump Executing action: efuse-dump Running espefuse.py in directory Executing "espefuse.py dump --chip esp32c2"... espefuse.py v4.6-dev Connecting.... BLOCK0 (BLOCK0 ) [0 ] read_regs: 00000000 00000000 BLOCK1 (BLOCK1 ) [1 ] read_regs: 00000000 00000000 00000000 BLOCK2 (BLOCK2 ) [2 ] read_regs: 8d5c4b94 8252083a 5c01e953 80d0a824 c0860b18 00006890 00000000 4b000000 BLOCK_KEY0 (BLOCK3 ) [3 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK0 (BLOCK0 ) [0 ] err__regs: 00000000 00000000 EFUSE_RD_RS_ERR_REG 0x00000000 === Run "dump" command ===