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esp-idf/docs/en/api-reference/system/inc/espefuse_summary_ESP32-C3.rst
KonstantinKondrashov 5a5f5ad031 doc/efuse: Adds efuse doc for ESP32-C3
2021-02-22 15:51:45 +08:00

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.. code-block:: none
espefuse.py -p PORT summary
Connecting....
Detecting chip type... ESP32-C3
espefuse.py v3.1-dev
EFUSE_NAME (Block) Description = [Meaningful Value] [Readable/Writeable] (Hex Value)
----------------------------------------------------------------------------------------
Config fuses:
DIS_RTC_RAM_BOOT (BLOCK0) Disables boot from RTC RAM = False R/W (0b0)
DIS_ICACHE (BLOCK0) Disables ICache = False R/W (0b0)
DIS_DOWNLOAD_ICACHE (BLOCK0) Disables Icache when SoC is in Download mode = False R/W (0b0)
DIS_FORCE_DOWNLOAD (BLOCK0) Disables forcing chip into Download mode = False R/W (0b0)
DIS_CAN (BLOCK0) Disables the TWAI Controller hardware = False R/W (0b0)
VDD_SPI_AS_GPIO (BLOCK0) Set this bit to vdd spi pin function as gpio = False R/W (0b0)
BTLC_GPIO_ENABLE (BLOCK0) Enable btlc gpio = 0 R/W (0b00)
POWERGLITCH_EN (BLOCK0) Set this bit to enable power glitch function = False R/W (0b0)
POWER_GLITCH_DSENSE (BLOCK0) Sample delay configuration of power glitch = 0 R/W (0b00)
DIS_LEGACY_SPI_BOOT (BLOCK0) Disables Legacy SPI boot mode = False R/W (0b0)
UART_PRINT_CHANNEL (BLOCK0) Selects the default UART for printing boot msg = UART0 R/W (0b0)
UART_PRINT_CONTROL (BLOCK0) Sets the default UART boot message output mode = Enabled R/W (0b00)
FORCE_SEND_RESUME (BLOCK0) Force ROM code to send a resume command during SPI = False R/W (0b0)
bootduring SPI boot
BLOCK_USR_DATA (BLOCK3) User data
= 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
Efuse fuses:
WR_DIS (BLOCK0) Disables programming of individual eFuses = 0 R/W (0x00000000)
RD_DIS (BLOCK0) Disables software reading from BLOCK4-10 = 0 R/W (0b0000000)
Flash Config fuses:
FLASH_TPUW (BLOCK0) Configures flash startup delay after SoC power-up, = 0 R/W (0x0)
unit is (ms/2). When the value is 15, delay is 7.
5 ms
FLASH_ECC_MODE (BLOCK0) Set this bit to set flsah ecc mode.
= flash ecc 16to18 byte mode R/W (0b0)
FLASH_TYPE (BLOCK0) Selects SPI flash type = 4 data lines R/W (0b0)
FLASH_PAGE_SIZE (BLOCK0) Flash page size = 0 R/W (0b00)
FLASH_ECC_EN (BLOCK0) Enable ECC for flash boot = False R/W (0b0)
Identity fuses:
SECURE_VERSION (BLOCK0) Secure version (used by ESP-IDF anti-rollback feat = 0 R/W (0x0000)
ure)
MAC (BLOCK1) Factory MAC Address
= 7c:df:a1:40:40:08: (OK) R/W
WAFER_VERSION (BLOCK1) WAFER version = (revision 0) R/W (0b000)
PKG_VERSION (BLOCK1) Package version = ESP32-C3 R/W (0x0)
BLOCK1_VERSION (BLOCK1) BLOCK1 efuse version = 0 R/W (0b000)
OPTIONAL_UNIQUE_ID (BLOCK2)(0 errors): Optional unique 128-bit ID
= 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R/W
BLOCK2_VERSION (BLOCK2) Version of BLOCK2 = No calibration R/W (0b000)
Jtag Config fuses:
JTAG_SEL_ENABLE (BLOCK0) Set this bit to enable selection between usb_to_jt = False R/W (0b0)
ag and pad_to_jtag through strapping gpio10 when b
oth reg_dis_usb_jtag and reg_dis_pad_jtag are equa
l to 0.
SOFT_DIS_JTAG (BLOCK0) Software disables JTAG. When software disabled, JT = 0 R/W (0b00)
AG can be activated temporarily by HMAC peripheral
DIS_PAD_JTAG (BLOCK0) Permanently disable JTAG access via pads. USB JTAG = False R/W (0b0)
is controlled separately.
Security fuses:
DIS_DOWNLOAD_MANUAL_ENCRYPT (BLOCK0) Disables flash encryption when in download boot mo = False R/W (0b0)
des
SPI_BOOT_CRYPT_CNT (BLOCK0) Enables encryption and decryption, when an SPI boo = Disable R/W (0b000)
t mode is set. Enabled when 1 or 3 bits are set,di
sabled otherwise
SECURE_BOOT_KEY_REVOKE0 (BLOCK0) If set, revokes use of secure boot key digest 0 = False R/W (0b0)
SECURE_BOOT_KEY_REVOKE1 (BLOCK0) If set, revokes use of secure boot key digest 1 = False R/W (0b0)
SECURE_BOOT_KEY_REVOKE2 (BLOCK0) If set, revokes use of secure boot key digest 2 = False R/W (0b0)
KEY_PURPOSE_0 (BLOCK0) KEY0 purpose = USER R/W (0x0)
KEY_PURPOSE_1 (BLOCK0) KEY1 purpose = USER R/W (0x0)
KEY_PURPOSE_2 (BLOCK0) KEY2 purpose = USER R/W (0x0)
KEY_PURPOSE_3 (BLOCK0) KEY3 purpose = USER R/W (0x0)
KEY_PURPOSE_4 (BLOCK0) KEY4 purpose = USER R/W (0x0)
KEY_PURPOSE_5 (BLOCK0) KEY5 purpose = USER R/W (0x0)
SECURE_BOOT_EN (BLOCK0) Enables secure boot = False R/W (0b0)
SECURE_BOOT_AGGRESSIVE_REVOKE (BLOCK0) Enables aggressive secure boot key revocation mode = False R/W (0b0)
DIS_DOWNLOAD_MODE (BLOCK0) Disables all Download boot modes = False R/W (0b0)
ENABLE_SECURITY_DOWNLOAD (BLOCK0) Enables secure UART download mode (read/write flas = False R/W (0b0)
h only)
BLOCK_KEY0 (BLOCK4)(0 errors):
Purpose: USER
Encryption key0 or user data
= 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
BLOCK_KEY1 (BLOCK5)(0 errors):
Purpose: USER
Encryption key1 or user data
= 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
BLOCK_KEY2 (BLOCK6)(0 errors):
Purpose: USER
Encryption key2 or user data
= 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
BLOCK_KEY3 (BLOCK7)(0 errors):
Purpose: USER
Encryption key3 or user data
= 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
BLOCK_KEY4 (BLOCK8)(0 errors):
Purpose: USER
Encryption key4 or user data
= 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
BLOCK_KEY5 (BLOCK9)(0 errors):
Purpose: USER
Encryption key5 or user data
= 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
BLOCK_SYS_DATA2 (BLOCK10)(0 errors): System data (part 2)
= 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
Spi_Pad_Config fuses:
SPI_PAD_CONFIG_CLK (BLOCK1) SPI CLK pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_Q (BLOCK1) SPI Q (D1) pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_D (BLOCK1) SPI D (D0) pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_CS (BLOCK1) SPI CS pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_HD (BLOCK1) SPI HD (D3) pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_WP (BLOCK1) SPI WP (D2) pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_DQS (BLOCK1) SPI DQS pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_D4 (BLOCK1) SPI D4 pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_D5 (BLOCK1) SPI D5 pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_D6 (BLOCK1) SPI D6 pad = 0 R/W (0b000000)
SPI_PAD_CONFIG_D7 (BLOCK1) SPI D7 pad = 0 R/W (0b000000)
Usb Config fuses:
DIS_USB_JTAG (BLOCK0) Disables USB JTAG. JTAG access via pads is control = False R/W (0b0)
led separately
DIS_USB_DEVICE (BLOCK0) Disables USB DEVICE = False R/W (0b0)
DIS_USB (BLOCK0) Disables the USB OTG hardware = False R/W (0b0)
USB_EXCHG_PINS (BLOCK0) Exchanges USB D+ and D- pins = False R/W (0b0)
DIS_USB_DOWNLOAD_MODE (BLOCK0) Disables use of USB in UART download boot mode = False R/W (0b0)
Vdd_Spi Config fuses:
PIN_POWER_SELECTION (BLOCK0) GPIO33-GPIO37 power supply selection in ROM code = VDD3P3_CPU R/W (0b0)
Wdt Config fuses:
WDT_DELAY_SEL (BLOCK0) Selects RTC WDT timeout threshold at startup = False R/W (0b0)
To get a dump for all eFuse registers.
.. code-block:: none
espefuse.py -p PORT dump
Connecting....
Detecting chip type... ESP32-C3
BLOCK0 ( ) [0 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000
MAC_SPI_8M_0 (BLOCK1 ) [1 ] read_regs: a1404008 00007cdf 00000000 00000000 00000000 00000000
BLOCK_SYS_DATA (BLOCK2 ) [2 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_USR_DATA (BLOCK3 ) [3 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY0 (BLOCK4 ) [4 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY1 (BLOCK5 ) [5 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY2 (BLOCK6 ) [6 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY3 (BLOCK7 ) [7 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY4 (BLOCK8 ) [8 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_KEY5 (BLOCK9 ) [9 ] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BLOCK_SYS_DATA2 (BLOCK10 ) [10] read_regs: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
espefuse.py v3.1-dev
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