.. code-block:: none $ ./efuse_table_gen.py -t IDF_TARGET_PATH_NAME {IDF_TARGET_PATH_NAME}/esp_efuse_table.csv --info Max number of bits in BLK 256 Parsing efuse CSV input file ../esp32p4/esp_efuse_table.csv ... Verifying efuse table... Sorted efuse table: # field_name efuse_block bit_start bit_count 1 WR_DIS EFUSE_BLK0 0 32 2 WR_DIS.RD_DIS EFUSE_BLK0 0 1 3 WR_DIS.SPI_BOOT_CRYPT_CNT EFUSE_BLK0 4 1 4 WR_DIS.SECURE_BOOT_KEY_REVOKE0 EFUSE_BLK0 5 1 5 WR_DIS.SECURE_BOOT_KEY_REVOKE1 EFUSE_BLK0 6 1 6 WR_DIS.SECURE_BOOT_KEY_REVOKE2 EFUSE_BLK0 7 1 7 WR_DIS.KEY_PURPOSE_0 EFUSE_BLK0 8 1 8 WR_DIS.KEY_PURPOSE_1 EFUSE_BLK0 9 1 9 WR_DIS.KEY_PURPOSE_2 EFUSE_BLK0 10 1 10 WR_DIS.KEY_PURPOSE_3 EFUSE_BLK0 11 1 11 WR_DIS.KEY_PURPOSE_4 EFUSE_BLK0 12 1 12 WR_DIS.KEY_PURPOSE_5 EFUSE_BLK0 13 1 13 WR_DIS.SECURE_BOOT_EN EFUSE_BLK0 15 1 14 WR_DIS.BLK1 EFUSE_BLK0 20 1 15 WR_DIS.MAC EFUSE_BLK0 20 1 16 WR_DIS.WAFER_VERSION_MINOR EFUSE_BLK0 20 1 17 WR_DIS.WAFER_VERSION_MAJOR EFUSE_BLK0 20 1 18 WR_DIS.DISABLE_WAFER_VERSION_MAJOR EFUSE_BLK0 20 1 19 WR_DIS.DISABLE_BLK_VERSION_MAJOR EFUSE_BLK0 20 1 20 WR_DIS.BLK_VERSION_MINOR EFUSE_BLK0 20 1 21 WR_DIS.BLK_VERSION_MAJOR EFUSE_BLK0 20 1 22 WR_DIS.FLASH_CAP EFUSE_BLK0 20 1 23 WR_DIS.FLASH_TEMP EFUSE_BLK0 20 1 24 WR_DIS.FLASH_VENDOR EFUSE_BLK0 20 1 25 WR_DIS.PSRAM_CAP EFUSE_BLK0 20 1 26 WR_DIS.PSRAM_TEMP EFUSE_BLK0 20 1 27 WR_DIS.PSRAM_VENDOR EFUSE_BLK0 20 1 28 WR_DIS.PKG_VERSION EFUSE_BLK0 20 1 29 WR_DIS.OPTIONAL_UNIQUE_ID EFUSE_BLK0 21 1 30 WR_DIS.BLOCK_USR_DATA EFUSE_BLK0 22 1 31 WR_DIS.CUSTOM_MAC EFUSE_BLK0 22 1 32 WR_DIS.BLOCK_KEY0 EFUSE_BLK0 23 1 33 WR_DIS.BLOCK_KEY1 EFUSE_BLK0 24 1 34 WR_DIS.BLOCK_KEY2 EFUSE_BLK0 25 1 35 WR_DIS.BLOCK_KEY3 EFUSE_BLK0 26 1 36 WR_DIS.BLOCK_KEY4 EFUSE_BLK0 27 1 37 WR_DIS.BLOCK_KEY5 EFUSE_BLK0 28 1 38 WR_DIS.BLOCK_SYS_DATA2 EFUSE_BLK0 29 1 39 RD_DIS EFUSE_BLK0 32 7 40 RD_DIS.BLOCK_KEY0 EFUSE_BLK0 32 1 41 RD_DIS.BLOCK_KEY1 EFUSE_BLK0 33 1 42 RD_DIS.BLOCK_KEY2 EFUSE_BLK0 34 1 43 RD_DIS.BLOCK_KEY3 EFUSE_BLK0 35 1 44 RD_DIS.BLOCK_KEY4 EFUSE_BLK0 36 1 45 RD_DIS.BLOCK_KEY5 EFUSE_BLK0 37 1 46 RD_DIS.BLOCK_SYS_DATA2 EFUSE_BLK0 38 1 47 USB_DEVICE_EXCHG_PINS EFUSE_BLK0 39 1 48 USB_OTG11_EXCHG_PINS EFUSE_BLK0 40 1 49 DIS_USB_JTAG EFUSE_BLK0 41 1 50 POWERGLITCH_EN EFUSE_BLK0 42 1 51 DIS_FORCE_DOWNLOAD EFUSE_BLK0 44 1 52 SPI_DOWNLOAD_MSPI_DIS EFUSE_BLK0 45 1 53 DIS_TWAI EFUSE_BLK0 46 1 54 JTAG_SEL_ENABLE EFUSE_BLK0 47 1 55 SOFT_DIS_JTAG EFUSE_BLK0 48 3 56 DIS_PAD_JTAG EFUSE_BLK0 51 1 57 DIS_DOWNLOAD_MANUAL_ENCRYPT EFUSE_BLK0 52 1 58 USB_PHY_SEL EFUSE_BLK0 57 1 59 KM_HUK_GEN_STATE EFUSE_BLK0 58 9 60 KM_RND_SWITCH_CYCLE EFUSE_BLK0 67 2 61 KM_DEPLOY_ONLY_ONCE EFUSE_BLK0 69 4 62 FORCE_USE_KEY_MANAGER_KEY EFUSE_BLK0 73 4 63 FORCE_DISABLE_SW_INIT_KEY EFUSE_BLK0 77 1 64 XTS_KEY_LENGTH_256 EFUSE_BLK0 78 1 65 WDT_DELAY_SEL EFUSE_BLK0 80 2 66 SPI_BOOT_CRYPT_CNT EFUSE_BLK0 82 3 67 SECURE_BOOT_KEY_REVOKE0 EFUSE_BLK0 85 1 68 SECURE_BOOT_KEY_REVOKE1 EFUSE_BLK0 86 1 69 SECURE_BOOT_KEY_REVOKE2 EFUSE_BLK0 87 1 70 KEY_PURPOSE_0 EFUSE_BLK0 88 4 71 KEY_PURPOSE_1 EFUSE_BLK0 92 4 72 KEY_PURPOSE_2 EFUSE_BLK0 96 4 73 KEY_PURPOSE_3 EFUSE_BLK0 100 4 74 KEY_PURPOSE_4 EFUSE_BLK0 104 4 75 KEY_PURPOSE_5 EFUSE_BLK0 108 4 76 SEC_DPA_LEVEL EFUSE_BLK0 112 2 77 ECDSA_ENABLE_SOFT_K EFUSE_BLK0 114 1 78 CRYPT_DPA_ENABLE EFUSE_BLK0 115 1 79 SECURE_BOOT_EN EFUSE_BLK0 116 1 80 SECURE_BOOT_AGGRESSIVE_REVOKE EFUSE_BLK0 117 1 81 FLASH_TYPE EFUSE_BLK0 119 1 82 FLASH_PAGE_SIZE EFUSE_BLK0 120 2 83 FLASH_ECC_EN EFUSE_BLK0 122 1 84 DIS_USB_OTG_DOWNLOAD_MODE EFUSE_BLK0 123 1 85 FLASH_TPUW EFUSE_BLK0 124 4 86 DIS_DOWNLOAD_MODE EFUSE_BLK0 128 1 87 DIS_DIRECT_BOOT EFUSE_BLK0 129 1 88 DIS_USB_SERIAL_JTAG_ROM_PRINT EFUSE_BLK0 130 1 89 LOCK_KM_KEY EFUSE_BLK0 131 1 90 DIS_USB_SERIAL_JTAG_DOWNLOAD_MODE EFUSE_BLK0 132 1 91 ENABLE_SECURITY_DOWNLOAD EFUSE_BLK0 133 1 92 UART_PRINT_CONTROL EFUSE_BLK0 134 2 93 FORCE_SEND_RESUME EFUSE_BLK0 136 1 94 SECURE_VERSION EFUSE_BLK0 137 16 95 SECURE_BOOT_DISABLE_FAST_WAKE EFUSE_BLK0 153 1 96 HYS_EN_PAD EFUSE_BLK0 154 1 97 DCDC_VSET EFUSE_BLK0 155 5 98 PXA0_TIEH_SEL_0 EFUSE_BLK0 160 2 99 PXA0_TIEH_SEL_1 EFUSE_BLK0 162 2 100 PXA0_TIEH_SEL_2 EFUSE_BLK0 164 2 101 PXA0_TIEH_SEL_3 EFUSE_BLK0 166 2 102 KM_DISABLE_DEPLOY_MODE EFUSE_BLK0 168 4 103 HP_PWR_SRC_SEL EFUSE_BLK0 178 1 104 DCDC_VSET_EN EFUSE_BLK0 179 1 105 DIS_WDT EFUSE_BLK0 180 1 106 DIS_SWD EFUSE_BLK0 181 1 107 MAC EFUSE_BLK1 0 8 108 MAC EFUSE_BLK1 8 8 109 MAC EFUSE_BLK1 16 8 110 MAC EFUSE_BLK1 24 8 111 MAC EFUSE_BLK1 32 8 112 MAC EFUSE_BLK1 40 8 113 WAFER_VERSION_MINOR EFUSE_BLK1 64 4 114 WAFER_VERSION_MAJOR EFUSE_BLK1 68 2 115 DISABLE_WAFER_VERSION_MAJOR EFUSE_BLK1 70 1 116 DISABLE_BLK_VERSION_MAJOR EFUSE_BLK1 71 1 117 BLK_VERSION_MINOR EFUSE_BLK1 72 3 118 BLK_VERSION_MAJOR EFUSE_BLK1 75 2 119 FLASH_CAP EFUSE_BLK1 77 3 120 FLASH_TEMP EFUSE_BLK1 80 2 121 FLASH_VENDOR EFUSE_BLK1 82 3 122 PSRAM_CAP EFUSE_BLK1 85 2 123 PSRAM_TEMP EFUSE_BLK1 87 2 124 PSRAM_VENDOR EFUSE_BLK1 89 2 125 PKG_VERSION EFUSE_BLK1 91 3 126 SYS_DATA_PART2 EFUSE_BLK10 0 256 127 OPTIONAL_UNIQUE_ID EFUSE_BLK2 0 128 128 USER_DATA EFUSE_BLK3 0 256 129 USER_DATA.MAC_CUSTOM EFUSE_BLK3 200 48 130 KEY0 EFUSE_BLK4 0 256 131 KEY1 EFUSE_BLK5 0 256 132 KEY2 EFUSE_BLK6 0 256 133 KEY3 EFUSE_BLK7 0 256 134 KEY4 EFUSE_BLK8 0 256 135 KEY5 EFUSE_BLK9 0 256 Used bits in efuse table: EFUSE_BLK0 [0 31] [0 0] [4 13] [15 15] [20 20] [20 20] [20 29] [32 38] [32 42] [44 52] [57 78] [80 117] [119 171] [178 181] EFUSE_BLK1 [0 47] [64 93] EFUSE_BLK10 [0 255] EFUSE_BLK2 [0 127] EFUSE_BLK3 [0 255] [200 247] EFUSE_BLK4 [0 255] EFUSE_BLK5 [0 255] EFUSE_BLK6 [0 255] EFUSE_BLK7 [0 255] EFUSE_BLK8 [0 255] EFUSE_BLK9 [0 255] Note: Not printed ranges are free for using. (bits in EFUSE_BLK0 are reserved for Espressif)