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Espefuse Summary ESP32 C2

docs/en/api-reference/system/inc/espefuse_summary_ESP32-C2.rst

6.1-dev6.8 KB
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.. 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