.. code-block:: none idf.py efuse-summary Executing action: efuse-summary (...) EFUSE_NAME (Block) Description = [Meaningful Value] [Readable/Writeable] (Hex Value) ---------------------------------------------------------------------------------------- Config fuses: WR_DIS (BLOCK0) Disable programming of individual eFuses = 0 R/W (0x00000000) RD_DIS (BLOCK0) Disable reading from BlOCK4-10 = 0 R/W (0b0000000) POWERGLITCH_EN (BLOCK0) Represents whether power glitch function is enable = False R/W (0b0) d. 1: enabled. 0: disabled DIS_TWAI (BLOCK0) Represents whether TWAI function is disabled or en = False R/W (0b0) abled. 1: disabled. 0: enabled KM_HUK_GEN_STATE (BLOCK0) Set this bit to control validation of HUK generate = 0 R/W (0b000000000) mode. Odd of 1 is invalid; even of 1 is valid KM_RND_SWITCH_CYCLE (BLOCK0) Set bits to control key manager random number swit = 0 R/W (0b00) ch cycle. 0: control by register. 1: 8 km clk cycl es. 2: 16 km cycles. 3: 32 km cycles KM_DEPLOY_ONLY_ONCE (BLOCK0) Set each bit to control whether corresponding key = 0 R/W (0x0) can only be deployed once. 1 is true; 0 is false. Bit0: ecdsa. Bit1: xts. Bit2: hmac. Bit3: ds DIS_DIRECT_BOOT (BLOCK0) Represents whether direct boot mode is disabled or = False R/W (0b0) enabled. 1: disabled. 0: enabled UART_PRINT_CONTROL (BLOCK0) Represents the type of UART printing. 00: force en = 0 R/W (0b00) able printing. 01: enable printing when GPIO8 is r eset at low level. 10: enable printing when GPIO8 is reset at high level. 11: force disable printing HYS_EN_PAD (BLOCK0) Represents whether the hysteresis function of corr = False R/W (0b0) corresponding PAD is enabled. 1: enabled. 0:disabled DCDC_VSET (BLOCK0) Set the dcdc voltage default = 0 R/W (0b00000) PXA0_TIEH_SEL_0 (BLOCK0) TBD = 0 R/W (0b00) PXA0_TIEH_SEL_1 (BLOCK0) TBD = 0 R/W (0b00) PXA0_TIEH_SEL_2 (BLOCK0) TBD = 0 R/W (0b00) PXA0_TIEH_SEL_3 (BLOCK0) TBD = 0 R/W (0b00) KM_DISABLE_DEPLOY_MODE (BLOCK0) TBD = 0 R/W (0x0) HP_PWR_SRC_SEL (BLOCK0) HP system power source select. 0:LDO. 1: DCDC = False R/W (0b0) DCDC_VSET_EN (BLOCK0) Select dcdc vset use efuse_dcdc_vset = False R/W (0b0) DIS_SWD (BLOCK0) Set this bit to disable super-watchdog = False R/W (0b0) PSRAM_CAP (BLOCK1) PSRAM capacity = 0 R/W (0b00) PSRAM_TEMP (BLOCK1) PSRAM temperature = 0 R/W (0b00) PSRAM_VENDOR (BLOCK1) PSRAM vendor = 0 R/W (0b00) BLOCK_USR_DATA (BLOCK3) User data = 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 BLOCK_SYS_DATA2 (BLOCK10) System data part 2 (reserved) = 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 Flash fuses: FLASH_TYPE (BLOCK0) The type of interfaced flash. 0: four data lines; = False R/W (0b0) 1: eight data lines FLASH_PAGE_SIZE (BLOCK0) Set flash page size = 0 R/W (0b00) FLASH_ECC_EN (BLOCK0) Set this bit to enable ecc for flash boot = False R/W (0b0) FLASH_TPUW (BLOCK0) Represents the flash waiting time after power-up; = 0 R/W (0x0) in unit of ms. When the value less than 15; the wa iting time is the programmed value. Otherwise; the waiting time is 2 times the programmed value FORCE_SEND_RESUME (BLOCK0) Represents whether ROM code is forced to send a re = False R/W (0b0) sume command during SPI boot. 1: forced. 0:not for ced FLASH_CAP (BLOCK1) Flash capacity = 0 R/W (0b000) FLASH_TEMP (BLOCK1) Flash temperature = 0 R/W (0b00) FLASH_VENDOR (BLOCK1) Flash vendor = 0 R/W (0b000) Identity fuses: WAFER_VERSION_MINOR (BLOCK1) Minor chip version = 0 R/W (0x0) WAFER_VERSION_MAJOR (BLOCK1) Major chip version = 0 R/W (0b00) DISABLE_WAFER_VERSION_MAJOR (BLOCK1) Disables check of wafer version major = False R/W (0b0) DISABLE_BLK_VERSION_MAJOR (BLOCK1) Disables check of blk version major = False R/W (0b0) BLK_VERSION_MINOR (BLOCK1) BLK_VERSION_MINOR of BLOCK2 = 0 R/W (0b000) BLK_VERSION_MAJOR (BLOCK1) BLK_VERSION_MAJOR of BLOCK2 = 0 R/W (0b00) PKG_VERSION (BLOCK1) Package version = 0 R/W (0b000) OPTIONAL_UNIQUE_ID (BLOCK2) Optional unique 128-bit ID = 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R/W Jtag fuses: JTAG_SEL_ENABLE (BLOCK0) Represents whether the selection between usb_to_jt = False R/W (0b0) ag and pad_to_jtag through strapping gpio15 when b oth EFUSE_DIS_PAD_JTAG and EFUSE_DIS_USB_JTAG are equal to 0 is enabled or disabled. 1: enabled. 0: disabled SOFT_DIS_JTAG (BLOCK0) Represents whether JTAG is disabled in soft way. O = 0 R/W (0b000) dd number: disabled. Even number: enabled DIS_PAD_JTAG (BLOCK0) Represents whether JTAG is disabled in the hard wa = False R/W (0b0) y(permanently). 1: disabled. 0: enabled Mac fuses: MAC (BLOCK1) MAC address = 60:55:f9:f8:80:40 (OK) R/W CUSTOM_MAC (BLOCK3) Custom MAC = 00:00:00:00:00:00 (OK) R/W Security fuses: DIS_FORCE_DOWNLOAD (BLOCK0) Represents whether the function that forces chip i = False R/W (0b0) nto download mode is disabled or enabled. 1: disab led. 0: enabled SPI_DOWNLOAD_MSPI_DIS (BLOCK0) Set this bit to disable accessing MSPI flash/MSPI = False R/W (0b0) ram by SYS AXI matrix during boot_mode_download DIS_DOWNLOAD_MANUAL_ENCRYPT (BLOCK0) Represents whether flash encrypt function is disab = False R/W (0b0) led or enabled(except in SPI boot mode). 1: disable ed. 0: enabled FORCE_USE_KEY_MANAGER_KEY (BLOCK0) Set each bit to control whether corresponding key = 0 R/W (0x0) must come from key manager.. 1 is true; 0 is false . Bit0: ecdsa. Bit1: xts. Bit2: hmac. Bit3: ds FORCE_DISABLE_SW_INIT_KEY (BLOCK0) Set this bit to disable software written init key; = False R/W (0b0) and force use efuse_init_key XTS_KEY_LENGTH_256 (BLOCK0) Set this bit to configure flash encryption use xts = False R/W (0b0) -128 key; else use xts-256 key SPI_BOOT_CRYPT_CNT (BLOCK0) Enables flash encryption when 1 or 3 bits are set = Disable R/W (0b000) and disables otherwise SECURE_BOOT_KEY_REVOKE0 (BLOCK0) Revoke 1st secure boot key = False R/W (0b0) SECURE_BOOT_KEY_REVOKE1 (BLOCK0) Revoke 2nd secure boot key = False R/W (0b0) SECURE_BOOT_KEY_REVOKE2 (BLOCK0) Revoke 3rd secure boot key = False R/W (0b0) KEY_PURPOSE_0 (BLOCK0) Represents the purpose of Key0 = USER R/W (0x0) KEY_PURPOSE_1 (BLOCK0) Represents the purpose of Key1 = USER R/W (0x0) KEY_PURPOSE_2 (BLOCK0) Represents the purpose of Key2 = USER R/W (0x0) KEY_PURPOSE_3 (BLOCK0) Represents the purpose of Key3 = USER R/W (0x0) KEY_PURPOSE_4 (BLOCK0) Represents the purpose of Key4 = USER R/W (0x0) KEY_PURPOSE_5 (BLOCK0) Represents the purpose of Key5 = USER R/W (0x0) SEC_DPA_LEVEL (BLOCK0) Represents the spa secure level by configuring the = 0 R/W (0b00) clock random divide mode ECDSA_ENABLE_SOFT_K (BLOCK0) Represents whether hardware random number k is for = False R/W (0b0) ced used in ESDCA. 1: force used. 0: not force use d CRYPT_DPA_ENABLE (BLOCK0) Represents whether anti-dpa attack is enabled. 1:e = False R/W (0b0) nabled. 0: disabled SECURE_BOOT_EN (BLOCK0) Represents whether secure boot is enabled or disab = False R/W (0b0) led. 1: enabled. 0: disabled SECURE_BOOT_AGGRESSIVE_REVOKE (BLOCK0) Represents whether revoking aggressive secure boot = False R/W (0b0) is enabled or disabled. 1: enabled. 0: disabled DIS_DOWNLOAD_MODE (BLOCK0) Represents whether Download mode is disabled or en = False R/W (0b0) abled. 1: disabled. 0: enabled LOCK_KM_KEY (BLOCK0) TBD = False R/W (0b0) ENABLE_SECURITY_DOWNLOAD (BLOCK0) Represents whether security download is enabled or = False R/W (0b0) disabled. 1: enabled. 0: disabled SECURE_VERSION (BLOCK0) Represents the version used by ESP-IDF anti-rollba = 0 R/W (0x0000) ck feature SECURE_BOOT_DISABLE_FAST_WAKE (BLOCK0) Represents whether FAST VERIFY ON WAKE is disabled = False R/W (0b0) or enabled when Secure Boot is enabled. 1: disable ed. 0: enabled BLOCK_KEY0 (BLOCK4) Purpose: USER Key0 or user data = 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 BLOCK_KEY1 (BLOCK5) Purpose: USER Key1 or user data = 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 BLOCK_KEY2 (BLOCK6) Purpose: USER Key2 or user data = 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 BLOCK_KEY3 (BLOCK7) Purpose: USER Key3 or user data = 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 BLOCK_KEY4 (BLOCK8) Purpose: USER Key4 or user data = 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 BLOCK_KEY5 (BLOCK9) Purpose: USER Key5 or user data = 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 Usb fuses: USB_DEVICE_EXCHG_PINS (BLOCK0) Enable usb device exchange pins of D+ and D- = False R/W (0b0) USB_OTG11_EXCHG_PINS (BLOCK0) Enable usb otg11 exchange pins of D+ and D- = False R/W (0b0) DIS_USB_JTAG (BLOCK0) Represents whether the function of usb switch to j = False R/W (0b0) tag is disabled or enabled. 1: disabled. 0: enable d USB_PHY_SEL (BLOCK0) TBD = False R/W (0b0) DIS_USB_OTG_DOWNLOAD_MODE (BLOCK0) Set this bit to disable download via USB-OTG = False R/W (0b0) DIS_USB_SERIAL_JTAG_ROM_PRINT (BLOCK0) Represents whether print from USB-Serial-JTAG is d = False R/W (0b0) isabled or enabled. 1: disabled. 0: enabled DIS_USB_SERIAL_JTAG_DOWNLOAD_MODE (BLOCK0) Represents whether the USB-Serial-JTAG download fu = False R/W (0b0) nction is disabled or enabled. 1: disabled. 0: ena bled Wdt fuses: WDT_DELAY_SEL (BLOCK0) Represents whether RTC watchdog timeout threshold = 0 R/W (0b00) is selected at startup. 1: selected. 0: not select ed DIS_WDT (BLOCK0) Set this bit to disable watch dog = False R/W (0b0) 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 esp32p4"... espefuse.py v4.7.dev1 Connecting.... BLOCK0 ( ) [0 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 MAC_SPI_8M_0 (BLOCK1 ) [1 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_SYS_DATA (BLOCK2 ) [2 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_USR_DATA (BLOCK3 ) [3 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY0 (BLOCK4 ) [4 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY1 (BLOCK5 ) [5 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY2 (BLOCK6 ) [6 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY3 (BLOCK7 ) [7 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY4 (BLOCK8 ) [8 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_KEY5 (BLOCK9 ) [9 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK_SYS_DATA2 (BLOCK10 ) [10] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 BLOCK0 ( ) [0 ] err__regs: 00000000 00000000 00000000 00000000 00000000 00000000 EFUSE_RD_RS_ERR0_REG 0x00000000 EFUSE_RD_RS_ERR1_REG 0x00000000 === Run "dump" command ===