.. code-block:: none
$ ./efuse_table_gen.py {IDF_TARGET_PATH_NAME}/esp_efuse_table.csv --info
Max number of bits in BLK 256
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.DIS_ICACHE EFUSE_BLK0 2 1
4 WR_DIS.DIS_DCACHE EFUSE_BLK0 2 1
5 WR_DIS.DIS_DOWNLOAD_ICACHE EFUSE_BLK0 2 1
6 WR_DIS.DIS_DOWNLOAD_DCACHE EFUSE_BLK0 2 1
7 WR_DIS.DIS_FORCE_DOWNLOAD EFUSE_BLK0 2 1
8 WR_DIS.DIS_USB_OTG EFUSE_BLK0 2 1
9 WR_DIS.DIS_TWAI EFUSE_BLK0 2 1
10 WR_DIS.DIS_APP_CPU EFUSE_BLK0 2 1
11 WR_DIS.DIS_PAD_JTAG EFUSE_BLK0 2 1
12 WR_DIS.DIS_DOWNLOAD_MANUAL_ENCRYPT EFUSE_BLK0 2 1
13 WR_DIS.DIS_USB_JTAG EFUSE_BLK0 2 1
14 WR_DIS.DIS_USB_SERIAL_JTAG EFUSE_BLK0 2 1
15 WR_DIS.STRAP_JTAG_SEL EFUSE_BLK0 2 1
16 WR_DIS.USB_PHY_SEL EFUSE_BLK0 2 1
17 WR_DIS.VDD_SPI_XPD EFUSE_BLK0 3 1
18 WR_DIS.VDD_SPI_TIEH EFUSE_BLK0 3 1
19 WR_DIS.VDD_SPI_FORCE EFUSE_BLK0 3 1
20 WR_DIS.WDT_DELAY_SEL EFUSE_BLK0 3 1
21 WR_DIS.SPI_BOOT_CRYPT_CNT EFUSE_BLK0 4 1
22 WR_DIS.SECURE_BOOT_KEY_REVOKE0 EFUSE_BLK0 5 1
23 WR_DIS.SECURE_BOOT_KEY_REVOKE1 EFUSE_BLK0 6 1
24 WR_DIS.SECURE_BOOT_KEY_REVOKE2 EFUSE_BLK0 7 1
25 WR_DIS.KEY_PURPOSE_0 EFUSE_BLK0 8 1
26 WR_DIS.KEY_PURPOSE_1 EFUSE_BLK0 9 1
27 WR_DIS.KEY_PURPOSE_2 EFUSE_BLK0 10 1
28 WR_DIS.KEY_PURPOSE_3 EFUSE_BLK0 11 1
29 WR_DIS.KEY_PURPOSE_4 EFUSE_BLK0 12 1
30 WR_DIS.KEY_PURPOSE_5 EFUSE_BLK0 13 1
31 WR_DIS.SECURE_BOOT_EN EFUSE_BLK0 15 1
32 WR_DIS.SECURE_BOOT_AGGRESSIVE_REVOKE EFUSE_BLK0 16 1
33 WR_DIS.FLASH_TPUW EFUSE_BLK0 18 1
34 WR_DIS.DIS_DOWNLOAD_MODE EFUSE_BLK0 18 1
35 WR_DIS.DIS_DIRECT_BOOT EFUSE_BLK0 18 1
36 WR_DIS.DIS_USB_SERIAL_JTAG_ROM_PRINT EFUSE_BLK0 18 1
37 WR_DIS.FLASH_ECC_MODE EFUSE_BLK0 18 1
38 WR_DIS.DIS_USB_SERIAL_JTAG_DOWNLOAD_MODE EFUSE_BLK0 18 1
39 WR_DIS.ENABLE_SECURITY_DOWNLOAD EFUSE_BLK0 18 1
40 WR_DIS.UART_PRINT_CONTROL EFUSE_BLK0 18 1
41 WR_DIS.PIN_POWER_SELECTION EFUSE_BLK0 18 1
42 WR_DIS.FLASH_TYPE EFUSE_BLK0 18 1
43 WR_DIS.FLASH_PAGE_SIZE EFUSE_BLK0 18 1
44 WR_DIS.FLASH_ECC_EN EFUSE_BLK0 18 1
45 WR_DIS.FORCE_SEND_RESUME EFUSE_BLK0 18 1
46 WR_DIS.SECURE_VERSION EFUSE_BLK0 18 1
47 WR_DIS.DIS_USB_OTG_DOWNLOAD_MODE EFUSE_BLK0 19 1
48 WR_DIS.DISABLE_WAFER_VERSION_MAJOR EFUSE_BLK0 19 1
49 WR_DIS.DISABLE_BLK_VERSION_MAJOR EFUSE_BLK0 19 1
50 WR_DIS.BLK1 EFUSE_BLK0 20 1
51 WR_DIS.MAC EFUSE_BLK0 20 1
52 WR_DIS.SPI_PAD_CONFIG_CLK EFUSE_BLK0 20 1
53 WR_DIS.SPI_PAD_CONFIG_Q EFUSE_BLK0 20 1
54 WR_DIS.SPI_PAD_CONFIG_D EFUSE_BLK0 20 1
55 WR_DIS.SPI_PAD_CONFIG_CS EFUSE_BLK0 20 1
56 WR_DIS.SPI_PAD_CONFIG_HD EFUSE_BLK0 20 1
57 WR_DIS.SPI_PAD_CONFIG_WP EFUSE_BLK0 20 1
58 WR_DIS.SPI_PAD_CONFIG_DQS EFUSE_BLK0 20 1
59 WR_DIS.SPI_PAD_CONFIG_D4 EFUSE_BLK0 20 1
60 WR_DIS.SPI_PAD_CONFIG_D5 EFUSE_BLK0 20 1
61 WR_DIS.SPI_PAD_CONFIG_D6 EFUSE_BLK0 20 1
62 WR_DIS.SPI_PAD_CONFIG_D7 EFUSE_BLK0 20 1
63 WR_DIS.WAFER_VERSION_MINOR_LO EFUSE_BLK0 20 1
64 WR_DIS.PKG_VERSION EFUSE_BLK0 20 1
65 WR_DIS.BLK_VERSION_MINOR EFUSE_BLK0 20 1
66 WR_DIS.K_RTC_LDO EFUSE_BLK0 20 1
67 WR_DIS.K_DIG_LDO EFUSE_BLK0 20 1
68 WR_DIS.V_RTC_DBIAS20 EFUSE_BLK0 20 1
69 WR_DIS.V_DIG_DBIAS20 EFUSE_BLK0 20 1
70 WR_DIS.DIG_DBIAS_HVT EFUSE_BLK0 20 1
71 WR_DIS.WAFER_VERSION_MINOR_HI EFUSE_BLK0 20 1
72 WR_DIS.WAFER_VERSION_MAJOR EFUSE_BLK0 20 1
73 WR_DIS.ADC2_CAL_VOL_ATTEN3 EFUSE_BLK0 20 1
74 WR_DIS.SYS_DATA_PART1 EFUSE_BLK0 21 1
75 WR_DIS.OPTIONAL_UNIQUE_ID EFUSE_BLK0 21 1
76 WR_DIS.BLK_VERSION_MAJOR EFUSE_BLK0 21 1
77 WR_DIS.TEMP_CALIB EFUSE_BLK0 21 1
78 WR_DIS.OCODE EFUSE_BLK0 21 1
79 WR_DIS.ADC1_INIT_CODE_ATTEN0 EFUSE_BLK0 21 1
80 WR_DIS.ADC1_INIT_CODE_ATTEN1 EFUSE_BLK0 21 1
81 WR_DIS.ADC1_INIT_CODE_ATTEN2 EFUSE_BLK0 21 1
82 WR_DIS.ADC1_INIT_CODE_ATTEN3 EFUSE_BLK0 21 1
83 WR_DIS.ADC2_INIT_CODE_ATTEN0 EFUSE_BLK0 21 1
84 WR_DIS.ADC2_INIT_CODE_ATTEN1 EFUSE_BLK0 21 1
85 WR_DIS.ADC2_INIT_CODE_ATTEN2 EFUSE_BLK0 21 1
86 WR_DIS.ADC2_INIT_CODE_ATTEN3 EFUSE_BLK0 21 1
87 WR_DIS.ADC1_CAL_VOL_ATTEN0 EFUSE_BLK0 21 1
88 WR_DIS.ADC1_CAL_VOL_ATTEN1 EFUSE_BLK0 21 1
89 WR_DIS.ADC1_CAL_VOL_ATTEN2 EFUSE_BLK0 21 1
90 WR_DIS.ADC1_CAL_VOL_ATTEN3 EFUSE_BLK0 21 1
91 WR_DIS.ADC2_CAL_VOL_ATTEN0 EFUSE_BLK0 21 1
92 WR_DIS.ADC2_CAL_VOL_ATTEN1 EFUSE_BLK0 21 1
93 WR_DIS.ADC2_CAL_VOL_ATTEN2 EFUSE_BLK0 21 1
94 WR_DIS.BLOCK_USR_DATA EFUSE_BLK0 22 1
95 WR_DIS.CUSTOM_MAC EFUSE_BLK0 22 1
96 WR_DIS.BLOCK_KEY0 EFUSE_BLK0 23 1
97 WR_DIS.BLOCK_KEY1 EFUSE_BLK0 24 1
98 WR_DIS.BLOCK_KEY2 EFUSE_BLK0 25 1
99 WR_DIS.BLOCK_KEY3 EFUSE_BLK0 26 1
100 WR_DIS.BLOCK_KEY4 EFUSE_BLK0 27 1
101 WR_DIS.BLOCK_KEY5 EFUSE_BLK0 28 1
102 WR_DIS.BLOCK_SYS_DATA2 EFUSE_BLK0 29 1
103 WR_DIS.USB_EXCHG_PINS EFUSE_BLK0 30 1
104 WR_DIS.USB_EXT_PHY_ENABLE EFUSE_BLK0 30 1
105 WR_DIS.SOFT_DIS_JTAG EFUSE_BLK0 31 1
106 RD_DIS EFUSE_BLK0 32 7
107 RD_DIS.BLOCK_KEY0 EFUSE_BLK0 32 1
108 RD_DIS.BLOCK_KEY1 EFUSE_BLK0 33 1
109 RD_DIS.BLOCK_KEY2 EFUSE_BLK0 34 1
110 RD_DIS.BLOCK_KEY3 EFUSE_BLK0 35 1
111 RD_DIS.BLOCK_KEY4 EFUSE_BLK0 36 1
112 RD_DIS.BLOCK_KEY5 EFUSE_BLK0 37 1
113 RD_DIS.BLOCK_SYS_DATA2 EFUSE_BLK0 38 1
114 DIS_ICACHE EFUSE_BLK0 40 1
115 DIS_DCACHE EFUSE_BLK0 41 1
116 DIS_DOWNLOAD_ICACHE EFUSE_BLK0 42 1
117 DIS_DOWNLOAD_DCACHE EFUSE_BLK0 43 1
118 DIS_FORCE_DOWNLOAD EFUSE_BLK0 44 1
119 DIS_USB_OTG EFUSE_BLK0 45 1
120 DIS_TWAI EFUSE_BLK0 46 1
121 DIS_APP_CPU EFUSE_BLK0 47 1
122 SOFT_DIS_JTAG EFUSE_BLK0 48 3
123 DIS_PAD_JTAG EFUSE_BLK0 51 1
124 DIS_DOWNLOAD_MANUAL_ENCRYPT EFUSE_BLK0 52 1
125 USB_EXCHG_PINS EFUSE_BLK0 57 1
126 USB_EXT_PHY_ENABLE EFUSE_BLK0 58 1
127 VDD_SPI_XPD EFUSE_BLK0 68 1
128 VDD_SPI_TIEH EFUSE_BLK0 69 1
129 VDD_SPI_FORCE EFUSE_BLK0 70 1
130 WDT_DELAY_SEL EFUSE_BLK0 80 2
131 SPI_BOOT_CRYPT_CNT EFUSE_BLK0 82 3
132 SECURE_BOOT_KEY_REVOKE0 EFUSE_BLK0 85 1
133 SECURE_BOOT_KEY_REVOKE1 EFUSE_BLK0 86 1
134 SECURE_BOOT_KEY_REVOKE2 EFUSE_BLK0 87 1
135 KEY_PURPOSE_0 EFUSE_BLK0 88 4
136 KEY_PURPOSE_1 EFUSE_BLK0 92 4
137 KEY_PURPOSE_2 EFUSE_BLK0 96 4
138 KEY_PURPOSE_3 EFUSE_BLK0 100 4
139 KEY_PURPOSE_4 EFUSE_BLK0 104 4
140 KEY_PURPOSE_5 EFUSE_BLK0 108 4
141 SECURE_BOOT_EN EFUSE_BLK0 116 1
142 SECURE_BOOT_AGGRESSIVE_REVOKE EFUSE_BLK0 117 1
143 DIS_USB_JTAG EFUSE_BLK0 118 1
144 DIS_USB_SERIAL_JTAG EFUSE_BLK0 119 1
145 STRAP_JTAG_SEL EFUSE_BLK0 120 1
146 USB_PHY_SEL EFUSE_BLK0 121 1
147 FLASH_TPUW EFUSE_BLK0 124 4
148 DIS_DOWNLOAD_MODE EFUSE_BLK0 128 1
149 DIS_DIRECT_BOOT EFUSE_BLK0 129 1
150 DIS_USB_SERIAL_JTAG_ROM_PRINT EFUSE_BLK0 130 1
151 FLASH_ECC_MODE EFUSE_BLK0 131 1
152 DIS_USB_SERIAL_JTAG_DOWNLOAD_MODE EFUSE_BLK0 132 1
153 ENABLE_SECURITY_DOWNLOAD EFUSE_BLK0 133 1
154 UART_PRINT_CONTROL EFUSE_BLK0 134 2
155 PIN_POWER_SELECTION EFUSE_BLK0 136 1
156 FLASH_TYPE EFUSE_BLK0 137 1
157 FLASH_PAGE_SIZE EFUSE_BLK0 138 2
158 FLASH_ECC_EN EFUSE_BLK0 140 1
159 FORCE_SEND_RESUME EFUSE_BLK0 141 1
160 SECURE_VERSION EFUSE_BLK0 142 16
161 DIS_USB_OTG_DOWNLOAD_MODE EFUSE_BLK0 159 1
162 DISABLE_WAFER_VERSION_MAJOR EFUSE_BLK0 160 1
163 DISABLE_BLK_VERSION_MAJOR EFUSE_BLK0 161 1
164 MAC EFUSE_BLK1 0 8
165 MAC EFUSE_BLK1 8 8
166 MAC EFUSE_BLK1 16 8
167 MAC EFUSE_BLK1 24 8
168 MAC EFUSE_BLK1 32 8
169 MAC EFUSE_BLK1 40 8
170 SPI_PAD_CONFIG_CLK EFUSE_BLK1 48 6
171 SPI_PAD_CONFIG_Q EFUSE_BLK1 54 6
172 SPI_PAD_CONFIG_D EFUSE_BLK1 60 6
173 SPI_PAD_CONFIG_CS EFUSE_BLK1 66 6
174 SPI_PAD_CONFIG_HD EFUSE_BLK1 72 6
175 SPI_PAD_CONFIG_WP EFUSE_BLK1 78 6
176 SPI_PAD_CONFIG_DQS EFUSE_BLK1 84 6
177 SPI_PAD_CONFIG_D4 EFUSE_BLK1 90 6
178 SPI_PAD_CONFIG_D5 EFUSE_BLK1 96 6
179 SPI_PAD_CONFIG_D6 EFUSE_BLK1 102 6
180 SPI_PAD_CONFIG_D7 EFUSE_BLK1 108 6
181 WAFER_VERSION_MINOR_LO EFUSE_BLK1 114 3
182 PKG_VERSION EFUSE_BLK1 117 3
183 BLK_VERSION_MINOR EFUSE_BLK1 120 3
184 K_RTC_LDO EFUSE_BLK1 141 7
185 K_DIG_LDO EFUSE_BLK1 148 7
186 V_RTC_DBIAS20 EFUSE_BLK1 155 8
187 V_DIG_DBIAS20 EFUSE_BLK1 163 8
188 DIG_DBIAS_HVT EFUSE_BLK1 171 5
189 WAFER_VERSION_MINOR_HI EFUSE_BLK1 183 1
190 WAFER_VERSION_MAJOR EFUSE_BLK1 184 2
191 ADC2_CAL_VOL_ATTEN3 EFUSE_BLK1 186 6
192 SYS_DATA_PART2 EFUSE_BLK10 0 256
193 OPTIONAL_UNIQUE_ID EFUSE_BLK2 0 128
194 BLK_VERSION_MAJOR EFUSE_BLK2 128 2
195 TEMP_CALIB EFUSE_BLK2 132 9
196 OCODE EFUSE_BLK2 141 8
197 ADC1_INIT_CODE_ATTEN0 EFUSE_BLK2 149 8
198 ADC1_INIT_CODE_ATTEN1 EFUSE_BLK2 157 6
199 ADC1_INIT_CODE_ATTEN2 EFUSE_BLK2 163 6
200 ADC1_INIT_CODE_ATTEN3 EFUSE_BLK2 169 6
201 ADC2_INIT_CODE_ATTEN0 EFUSE_BLK2 175 8
202 ADC2_INIT_CODE_ATTEN1 EFUSE_BLK2 183 6
203 ADC2_INIT_CODE_ATTEN2 EFUSE_BLK2 189 6
204 ADC2_INIT_CODE_ATTEN3 EFUSE_BLK2 195 6
205 ADC1_CAL_VOL_ATTEN0 EFUSE_BLK2 201 8
206 ADC1_CAL_VOL_ATTEN1 EFUSE_BLK2 209 8
207 ADC1_CAL_VOL_ATTEN2 EFUSE_BLK2 217 8
208 ADC1_CAL_VOL_ATTEN3 EFUSE_BLK2 225 8
209 ADC2_CAL_VOL_ATTEN0 EFUSE_BLK2 233 8
210 ADC2_CAL_VOL_ATTEN1 EFUSE_BLK2 241 7
211 ADC2_CAL_VOL_ATTEN2 EFUSE_BLK2 248 7
212 USER_DATA EFUSE_BLK3 0 256
213 USER_DATA.MAC_CUSTOM EFUSE_BLK3 200 48
214 KEY0 EFUSE_BLK4 0 256
215 KEY1 EFUSE_BLK5 0 256
216 KEY2 EFUSE_BLK6 0 256
217 KEY3 EFUSE_BLK7 0 256
218 KEY4 EFUSE_BLK8 0 256
219 KEY5 EFUSE_BLK9 0 256
Used bits in efuse table:
EFUSE_BLK0
[0 31] [0 0] [2 2] ... [22 30] [30 38] [32 38] [40 52] [57 58] [68 70] [80 111] [116 121] [124 157] [159 161]
EFUSE_BLK1
[0 122] [141 175] [183 191]
EFUSE_BLK10
[0 255]
EFUSE_BLK2
[0 129] [132 254]
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)