.. code-block:: none $ ./efuse_table_gen.py {IDF_TARGET_PATH_NAME}/esp_efuse_table.csv --info Parsing efuse CSV input file $IDF_PATH/components/efuse/esp32c2/esp_efuse_table.csv ... Verifying efuse table... Max number of bits in BLK 256 Sorted efuse table: # field_name efuse_block bit_start bit_count 1 WR_DIS EFUSE_BLK0 0 8 2 WR_DIS.KEY0_RD_DIS EFUSE_BLK0 0 1 3 WR_DIS.GROUP_1 EFUSE_BLK0 1 1 4 WR_DIS.GROUP_2 EFUSE_BLK0 2 1 5 WR_DIS.SPI_BOOT_CRYPT_CNT EFUSE_BLK0 2 1 6 WR_DIS.GROUP_3 EFUSE_BLK0 3 1 7 WR_DIS.BLK0_RESERVED EFUSE_BLK0 4 1 8 WR_DIS.SYS_DATA_PART0 EFUSE_BLK0 5 1 9 WR_DIS.SYS_DATA_PART1 EFUSE_BLK0 6 1 10 WR_DIS.KEY0 EFUSE_BLK0 7 1 11 RD_DIS EFUSE_BLK0 32 2 12 RD_DIS.KEY0 EFUSE_BLK0 32 2 13 RD_DIS.KEY0.LOW EFUSE_BLK0 32 1 14 RD_DIS.KEY0.HI EFUSE_BLK0 33 1 15 WDT_DELAY_SEL EFUSE_BLK0 34 2 16 DIS_PAD_JTAG EFUSE_BLK0 36 1 17 DIS_DOWNLOAD_ICACHE EFUSE_BLK0 37 1 18 DIS_DOWNLOAD_MANUAL_ENCRYPT EFUSE_BLK0 38 1 19 SPI_BOOT_CRYPT_CNT EFUSE_BLK0 39 3 20 XTS_KEY_LENGTH_256 EFUSE_BLK0 42 1 21 UART_PRINT_CONTROL EFUSE_BLK0 43 2 22 FORCE_SEND_RESUME EFUSE_BLK0 45 1 23 DIS_DOWNLOAD_MODE EFUSE_BLK0 46 1 24 DIS_DIRECT_BOOT EFUSE_BLK0 47 1 25 ENABLE_SECURITY_DOWNLOAD EFUSE_BLK0 48 1 26 FLASH_TPUW EFUSE_BLK0 49 4 27 SECURE_BOOT_EN EFUSE_BLK0 53 1 28 SECURE_VERSION EFUSE_BLK0 54 4 29 USER_DATA EFUSE_BLK1 0 88 30 USER_DATA.MAC_CUSTOM EFUSE_BLK1 0 48 31 MAC_FACTORY EFUSE_BLK2 0 8 32 MAC_FACTORY EFUSE_BLK2 8 8 33 MAC_FACTORY EFUSE_BLK2 16 8 34 MAC_FACTORY EFUSE_BLK2 24 8 35 MAC_FACTORY EFUSE_BLK2 32 8 36 MAC_FACTORY EFUSE_BLK2 40 8 37 WAFER_VERSION EFUSE_BLK2 48 3 38 PKG_VERSION EFUSE_BLK2 51 3 39 BLOCK2_VERSION EFUSE_BLK2 54 3 40 RF_REF_I_BIAS_CONFIG EFUSE_BLK2 57 4 41 LDO_VOL_BIAS_CONFIG_LOW EFUSE_BLK2 61 3 42 LDO_VOL_BIAS_CONFIG_HIGH EFUSE_BLK2 64 27 43 PVT_LOW EFUSE_BLK2 91 5 44 PVT_HIGH EFUSE_BLK2 96 10 45 ADC_CALIBRATION_0 EFUSE_BLK2 106 22 46 ADC_CALIBRATION_1 EFUSE_BLK2 128 32 47 ADC_CALIBRATION_2 EFUSE_BLK2 160 32 48 KEY0 EFUSE_BLK3 0 256 49 KEY0.FE_256BIT EFUSE_BLK3 0 256 50 KEY0.FE_128BIT EFUSE_BLK3 0 128 51 KEY0.SB_128BIT EFUSE_BLK3 128 128 Used bits in efuse table: EFUSE_BLK0 [0 7] [0 2] [2 7] [32 33] [32 33] [32 57] EFUSE_BLK1 [0 87] [0 47] EFUSE_BLK2 [0 191] EFUSE_BLK3 [0 255] [0 255] [0 255] Note: Not printed ranges are free for using. (bits in EFUSE_BLK0 are reserved for Espressif)