C:\Users\steff>espefuse.py -p COM5 summary
Connecting........
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting...
Detecting chip type... ESP32
espefuse.py v4.1

=== Run "summary" command ===
EFUSE_NAME (Block) Description  = [Meaningful Value] [Readable/Writeable] (Hex Value)
----------------------------------------------------------------------------------------
Calibration fuses:
BLK3_PART_RESERVE (BLOCK0):                        BLOCK3 partially served for ADC calibration data   = False -/- (0b0)
ADC_VREF (BLOCK0):                                 Voltage reference calibration                      = 1093 R/W (0b10001)

Config fuses:
XPD_SDIO_FORCE (BLOCK0):                           Ignore MTDI pin (GPIO12) for VDD_SDIO on reset     = False R/W (0b0)
XPD_SDIO_REG (BLOCK0):                             If XPD_SDIO_FORCE, enable VDD_SDIO reg on reset    = False R/W (0b0)
XPD_SDIO_TIEH (BLOCK0):                            If XPD_SDIO_FORCE & XPD_SDIO_REG                   = 1.8V R/W (0b0)
CLK8M_FREQ (BLOCK0):                               8MHz clock freq override                           = 57 R/W (0x39)
SPI_PAD_CONFIG_CLK (BLOCK0):                       Override SD_CLK pad (GPIO6/SPICLK)                 = 6 R/W (0b00110)
SPI_PAD_CONFIG_Q (BLOCK0):                         Override SD_DATA_0 pad (GPIO7/SPIQ)                = 17 R/W (0b10001)
SPI_PAD_CONFIG_D (BLOCK0):                         Override SD_DATA_1 pad (GPIO8/SPID)                = 8 R/W (0b01000)
SPI_PAD_CONFIG_HD (BLOCK0):                        Override SD_DATA_2 pad (GPIO9/SPIHD)               = 11 R/W (0b01011)
SPI_PAD_CONFIG_CS0 (BLOCK0):                       Override SD_CMD pad (GPIO11/SPICS0)                = 16 R/W (0b10000)
DISABLE_SDIO_HOST (BLOCK0):                        Disable SDIO host                                  = False R/W (0b0)

Efuse fuses:
WR_DIS (BLOCK0):                                   Efuse write disable mask                           = 50308 R/W (0xc484)
RD_DIS (BLOCK0):                                   Efuse read disable mask                            = 9 R/W (0x9)
CODING_SCHEME (BLOCK0):                            Efuse variable block length scheme
   = NONE (BLK1-3 len=256 bits) -/- (0b00)
KEY_STATUS (BLOCK0):                               Usage of efuse block 3 (reserved)                  = False -/- (0b0)

Identity fuses:
MAC (BLOCK0):                                      Factory MAC Address
   = 78:e3:6d:4b:6d:f4 (CRC 0x96 OK) R/W
MAC_CRC (BLOCK0):                                  CRC8 for factory MAC address                       = 150 R/W (0x96)
CHIP_VER_REV1 (BLOCK0):                            Silicon Revision 1                                 = True R/W (0b1)
CHIP_VER_REV2 (BLOCK0):                            Silicon Revision 2                                 = True R/W (0b1)
CHIP_VERSION (BLOCK0):                             Reserved for future chip versions                  = 0 R/W (0b00)
CHIP_PACKAGE (BLOCK0):                             Chip package identifier                            = 4 R/W (0b100)
CHIP_PACKAGE_4BIT (BLOCK0):                        Chip package identifier #4bit                      = False R/W (0b0)
MAC_VERSION (BLOCK3):                              Version of the MAC field                           = 0 R/W (0x00)

Security fuses:
FLASH_CRYPT_CNT (BLOCK0):                          Flash encryption mode counter                      = 1 R/- (0b0000001)
UART_DOWNLOAD_DIS (BLOCK0):                        Disable UART download mode (ESP32 rev3 only)       = False R/- (0b0)
FLASH_CRYPT_CONFIG (BLOCK0):                       Flash encryption config (key tweak bits)           = ? -/- (0x0)
CONSOLE_DEBUG_DISABLE (BLOCK0):                    Disable ROM BASIC interpreter fallback             = True R/- (0b1)
ABS_DONE_0 (BLOCK0):                               Secure boot V1 is enabled for bootloader image     = False R/W (0b0)
ABS_DONE_1 (BLOCK0):                               Secure boot V2 is enabled for bootloader image     = False R/W (0b0)
JTAG_DISABLE (BLOCK0):                             Disable JTAG                                       = True R/- (0b1)
DISABLE_DL_ENCRYPT (BLOCK0):                       Disable flash encryption in UART bootloader        = True R/- (0b1)
DISABLE_DL_DECRYPT (BLOCK0):                       Disable flash decryption in UART bootloader        = True R/- (0b1)
DISABLE_DL_CACHE (BLOCK0):                         Disable flash cache in UART bootloader             = True R/- (0b1)
BLOCK1 (BLOCK1):                                   Flash encryption key
   = ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? -/-
BLOCK2 (BLOCK2):                                   Secure boot key
   = 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
BLOCK3 (BLOCK3):                                   Variable Block 3
   = 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 voltage (VDD_SDIO) determined by GPIO12 on reset

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