.. code-block:: none
espefuse.py -p PORT summary
espefuse.py v4.6-dev
Connecting....
Detecting chip type... ESP32-C2
=== Run "summary" command ===
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
espefuse.py -p PORT dump
espefuse.py v4.6-dev
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: 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 ===