Chapter 2. API Reference
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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) 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)
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Espressif Systems 813
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