.. code-block:: none espefuse.py -p PORT summary Connecting................... Detecting chip type... ESP32-C2 espefuse.py v4.1 === Run "summary" command === EFUSE_NAME (Block) Description = [Meaningful Value] [Readable/Writeable] (Hex Value) ---------------------------------------------------------------------------------------- Adc_Calib fuses: ADC_CALIBRATION_0 (BLOCK2) = 0 R/W (0b0000000000000000000000) ADC_CALIBRATION_1 (BLOCK2) = 0 R/W (0x00000000) ADC_CALIBRATION_2 (BLOCK2) = 0 R/W (0x00000000) Config fuses: UART_PRINT_CONTROL (BLOCK0) Set UART boot message output mode = Force print R/W (0b00) FORCE_SEND_RESUME (BLOCK0) Force ROM code to send a resume cmd during SPI boo = False R/W (0b0) t DIS_DIRECT_BOOT (BLOCK0) Disable direct_boot mode = False R/W (0b0) Efuse fuses: WR_DIS (BLOCK0) Disables programming of individual eFuses = 0 R/W (0x00) RD_DIS (BLOCK0) Disables software reading from BLOCK3 = 0 R/W (0b00) Flash Config fuses: FLASH_TPUW (BLOCK0) Configures flash startup delay after SoC power-up, = 0 R/W (0x0) unit is (ms/2). When the value is 15, delay is 7. 5 ms Identity fuses: SECURE_VERSION (BLOCK0) Secure version (anti-rollback feature) = 0 R/W (0x0) CUSTOM_MAC_USED (BLOCK0) Enable CUSTOM_MAC programming = False R/W (0b0) CUSTOM_MAC (BLOCK1) Custom MAC addr = 00:00:00:00:00:00 (OK) R/W MAC (BLOCK2) Factory MAC Address = 94:b5:55:80:00:d0 (OK) R/W WAFER_VERSION (BLOCK2) WAFER version = (revision 0) R/W (0b000) PKG_VERSION (BLOCK2) Package version = ESP32-C2 R/W (0b000) BLOCK2_VERSION (BLOCK2) Version of BLOCK2 = No calibration R/W (0b000) Jtag Config fuses: DIS_PAD_JTAG (BLOCK0) Permanently disable JTAG access via padsUSB JTAG i = False R/W (0b0) s controlled separately Ldo fuses: LDO_VOL_BIAS_CONFIG_LOW (BLOCK2) = 0 R/W (0b000) LDO_VOL_BIAS_CONFIG_HIGH (BLOCK2) = 0 R/W (0b000000000000000000000000000) Pvt fuses: PVT_LOW (BLOCK2) = 0 R/W (0b00000) PVT_HIGH (BLOCK2) = 0 R/W (0b0000000000) Rf fuses: RF_REF_I_BIAS_CONFIG (BLOCK2) = 0 R/W (0b000) Security fuses: DIS_DOWNLOAD_ICACHE (BLOCK0) Disables iCache in download mode = False R/W (0b0) DIS_DOWNLOAD_MANUAL_ENCRYPT (BLOCK0) Disables flash encryption in Download boot modes = False R/W (0b0) SPI_BOOT_CRYPT_CNT (BLOCK0) Enables encryption and decryption, when an SPI boo = Disable R/W (0b000) t mode is set. Enabled when 1 or 3 bits are set,dis abled otherwise XTS_KEY_LENGTH_256 (BLOCK0) Flash encryption key length = 128 bits key R/W (0b0) DIS_DOWNLOAD_MODE (BLOCK0) Disables all Download boot modes = False R/W (0b0) ENABLE_SECURITY_DOWNLOAD (BLOCK0) Enables secure UART download mode (read/write flas = False R/W (0b0) h only) SECURE_BOOT_EN (BLOCK0) Configures secure boot = Flase R/W (0b0) 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 Config fuses: WDT_DELAY_SEL (BLOCK0) RTC WDT timeout threshold = 0 R/W (0b00) To get a dump for all eFuse registers. .. code-block:: none espefuse.py -p PORT dump Connecting.............. Detecting chip type... ESP32-C2 BLOCK0 (BLOCK0 ) [0 ] read_regs: 00000000 00000000 BLOCK1 (BLOCK1 ) [1 ] read_regs: 00000000 00000000 00000000 BLOCK2 (BLOCK2 ) [2 ] read_regs: 558000d0 000094b5 00000000 00000000 00000000 00000000 00000000 00000000 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 espefuse.py v4.1 === Run "dump" command ===