| OTP word
|
Bit field (size)
|
Name
|
Description
|
| 0
|
31-7 (25 bits)
|
reserved
|
|
| 6 (1 bit)
|
is closed
|
- 0: device is in open state, authentication is optional.
- 1: device is in close state, authentication is mandatory.
 Warning
|
| These 'is_closed' bits must never be programmed to 1 on product without secure boot option available. This is indicated in the security field of the chip part number.
|
|
| 5-0 (6 bits)
|
reserved
|
|
| 1-2
|
-
|
-
|
See the reference manual
|
| 3
|
31-30 (2 bits)
|
HSE value
|
- 0b00: HSE is autodetected.
- 0b01: HSE is 24 MHz.
- 0b10: HSE is 25 MHz.
- 0b11: HSE is 26 MHz.
|
| 29-27 (3 bits)
|
primary boot source
|
- 0: No primary boot source is defined.
- 1: FMC NAND
- 2: QSPI NOR
- 3: e•MMC™
- 4: SD card
- 5: QSPI NAND
|
| 26-24 (3 bits)
|
secondary boot source
|
- 0: No primary boot source is defined
- 1: FMC NAND
- 2: QSPI NOR
- 3: e•MMC™
- 4: SD card
- 5: QSPI NAND
|
| 23-16 (8 bits)
|
boot source disable
|
If it is different from zero, each bit disables a boot source.
- 0b00000001: disable FMC NAND boot source
- 0b00000010: disable QSPI NOR boot source
- 0b00000100: disable e•MMC™ boot source
- 0b00001000: disable SD boot source
- 0b00010000: disable UART boot source
- 0b00100000: disable USB boot source
- 0b01000000: disable QSPI NAND boot source
|
| 15 (1 bit)
|
data cache disabling
|
- 0: data cache is used by the ROM code.
- 1: data cache is not used by the ROM code.
|
| 14-7 (8 bits)
|
UART instances disabling
|
If it is different from zero, then each bit disables an UART instance.
- 0b00000001: reserved
- 0b00000010: disable USART2
- 0b00000100: disable USART3
- 0b00001000: disable UART4
- 0b00010000: disable UART5
- 0b00100000: disable UART6
- 0b01000000: disable UART7
- 0b10000000: disable USART8
- 0b11111111: all UART instances are enabled.
|
| 6 (1 bit)
|
USB DP pullup disabling
|
- 0: USB DP pull-up is set.
- 1: USB DP pull-up is not set.
|
| 5 (1 bit)
|
PLL disabling
|
- 0: PLLs for CPU and AXI are enable on cold boot.
- 1: PLLs for CPU and AXI are not enable on cold boot.
|
| 4-3 (2 bits)
|
SD card memory interface
|
- 0: SDMMC1 with default AFMux
- 1: SDMMC1 with non default AFmux defined in OTP
- 2: SDMMC2 with AFmux defined in OTP
|
| 2-1 (2 bits)
|
e•MMC™ memory interface
|
- 0: SDMMC2 with default AFMux
- 1: SDMMC1 with AFmux defined in OTP
- 2: SDMMC2 with non default AFmux defined in OTP
|
| 0 (1 bit)
|
QSPI non default AFmux
|
- 0: QSPI uses default AFMux.
- 1: QSPI uses AFmux defined in OTP.
|
| 4
|
31-0 (32 bits)
|
monotonic counter
|
This is an anti rollback monotonic counter. On closed devices, the ROM code checks if it is less or equal to the version stored in the loaded image header.
- 0b1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx: monotonic counter value is 32.
- 0b01xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx: monotonic counter value is 31.
- 0b...
- 0b00000000000000000000000000000001: monotonic counter value is 1.
- 0b00000000000000000000000000000000: monotonic counter value is 0.
|
| 5-7
|
31-28 (4 bits)
|
AFmux configuration - port1[3:0]
|
Bank id
- 0: unused
- 1: Bank A
- 2: Bank B
- 3: Bank C
- 4: Bank D
- 5: Bank E
- 6: Bank F
- 7: Bank G
- 8: Bank H
- 9: Bank I
- 10: Bank J
- 11: Bank K
- 12: Bank Z
- 13: not applicable
- 14: not applicable
- 0b1111: Invalid configuration
|
| 27-24 (4 bits)
|
AFmux configuration - pin1[3:0]
|
Pin id
|
| 23-20 (4 bits)
|
AFmux configuration - afmux1[3:0]
|
AFmux value
|
| 19-16 (4 bits)
|
AFmux configuration - mode1[3:0]
|
Pin mode
- 0: AF; No Pull; Low Speed
- 1: AF; No Pull; Medium Speed
- 2: AF; No Pull; High Speed
- 3: AF; Pull Up; Low Speed
- 4: AF; Pull Up; Medium Speed
- 5: AF; Pull Up; High Speed
- 6: AF; Pull Down; Low Speed
- 7: AF; Pull Down; Medium Speed
- 8: AF; Pull Down; High Speed
- 9: GPIO Output High
- 10: GPIO Output Low
- 11: GPIO Input
- 12: GPIO open drain; No pull
- 13: GPIO open drain; Pull Up
- 14: GPIO open drain; Pull Down
- 15: GPIO analog mode
|
| 15-12 (4 bits)
|
AFmux configuration - port0[3:0]
|
Bank id
- 0: unused
- 1: Bank A
- 2: Bank B
- 3: Bank C
- 4: Bank D
- 5: Bank E
- 6: Bank F
- 7: Bank G
- 8: Bank H
- 9: Bank I
- 10: Bank J
- 11: Bank K
- 12: Bank Z
- 13: not applicable
- 14: not applicable
- 0b1111: Invalid configuration
|
| 11-8 (4 bits)
|
AFmux configuration - pin0[3:0]
|
Pin id
|
| 7-4 (4 bits)
|
AFmux configuration - afmux0[3:0]
|
AFmux value
|
| 3-0 (4 bits)
|
AFmux configuration - mode0[3:0]
|
Pin mode
- 0: AF; No Pull; Low Speed
- 1: AF; No Pull; Medium Speed
- 2: AF; No Pull; High Speed
- 3: AF; Pull Up; Low Speed
- 4: AF; Pull Up; Medium Speed
- 5: AF; Pull Up; High Speed
- 6: AF; Pull Down; Low Speed
- 7: AF; Pull Down; Medium Speed
- 8: AF; Pull Down; High Speed
- 9: GPIO Output High
- 10: GPIO Output Low
- 11: GPIO Input
- 12: GPIO open drain; No pull
- 13: GPIO open drain; Pull Up
- 14: GPIO open drain; Pull Down
- 15: GPIO analog mode
|
| 8
|
31-10 (22 bits)
|
reserved
|
|
| 9 (1 bit)
|
SSP success
|
- 0: SSP is either not started or not finished.
- 1: SSP is finished.
|
| 8 (1 bit)
|
SSP request
|
- 0: SSP has never been requested.
- 1: SSP has been requested.
|
| 7-0 (8 bits)
|
reserved
|
|
| 9
|
31 (1 bit)
|
nand param stored in otp
|
FMC NAND parameters storage flag
- 0b0: NAND parameters are not stored here in OTP and are available via an ‘ONFI’ compliant get parameter command.
- 0b1: NAND parameters are stored here in OTP.
Notes:
- serial NAND parameters must always be stored in OTP. This bit shall be set to 1 for serial NAND.
|
| 30-29 (2 bits)
|
nand page size[1:0]
|
FMC or serial NAND page size
- 0: page size is 2 Kbytes.
- 1: page size is 4 Kbytes.
- 2: page size is 8 Kbytes.
- 3: reserved
|
| 28-27 (2 bits)
|
nand block size[1:0]
|
FMC or serial NAND block size
- 0: block size is 64 pages.
- 1: block size is 128 pages.
- 2: block size is 256 pages.
- 3: reserved
|
| 26-19 (8 bits)
|
nand block nb[7:0]
|
FMC or serial NAND number of blocks in unit of 256 blocks (nb blocks = N * 256)
|
| 18 (1 bit)
|
fmc nand width
|
FMC NAND width
- 0: FMC NAND is 8 bits.
- 1: FMC NAND is 16 bits.
|
| 17-15 (3 bits)
|
fmc ecc bit nb[2:0]
|
FMC NAND number of ECC bits
- 0: no setting. In case of ONFI NAND, this means ‘use value defined in parameter table’.
- 1: 1 bit ECC per 512 bytes, Hamming code
- 2: 4 bits ECC per 512 bytes of data, BCH (Bose, Chaudhuri and Hocquenghem) code
- 3: 8 bits ECC per 512 bytes of data, BCH (Bose, Chaudhuri and Hocquenghem) code
- 4: on-die ECC
|
| 14 (1 bit)
|
spinand needs plane select
|
Serial NAND needs plane select.
- 0: serial NAND plane select is not needed.
- 1: serial NAND plane select is needed.
|
| 13-5 (9 bits)
|
reserved
|
|
| 4 (1 bit)
|
eMMC 128KB boot partition support
|
- 0: BootROM does not support eMMC with 128KBytes boot partition.
- 1: BootROM supports eMMC with 128KBytes boot partition.
|
| 3 (1 bit)
|
disable ddr power optim
|
Disable DDR PLL switch off sequence
- 0: DDR DLL switch off sequence is enabled.
- 1: DDR DLL switch off sequence is disabled.
|
| 2 (1 bit)
|
disable HSE bypass detection
|
- 0: HSE bypass detection is enabled.
- 1: HSE bypass detection is disabled.
|
| 1 (1 bit)
|
disable HSE frequency autodetection
|
- 0: HSE frequency autodetection is enabled.
- 1: HSE frequency autodetection is disabled.
|
| 0 (1 bit)
|
disable ROM code traces
|
- 0: ROM code traces is enabled.
- 1: ROM code traces is disabled.
|
| 10-23
|
-
|
-
|
See the reference manual.
|
| 24
|
31-0 (32 bits)
|
PKH1
|
The Public Key Hash (PKH) is the SHA256 hash of ECDSA public key used for the Secure boot.
If hash = 01 02 03 04 05 06 07 08… then PKH1 = 0x01020304, PKH2 = 0x05060708, etc,…
|
| 25
|
31-0 (32 bits)
|
PKH2
|
| 26
|
31-0 (32 bits)
|
PKH3
|
| 27
|
31-0 (32 bits)
|
PKH4
|
| 28
|
31-0 (32 bits)
|
PKH5
|
| 29
|
31-0 (32 bits)
|
PKH6
|
| 30
|
31-0 (32 bits)
|
PKH7
|
| 31
|
31-0 (32 bits)
|
PKH8
|
| 32-55
|
-
|
-
|
See the reference manual.
|
| 56
|
31-30 (2 bits)
|
reserved
|
|
| 29-15 (15 bits)
|
rma relock passwd
|
A password is required for RMA relock request.
|
| 14-0 (15 bits)
|
rma unlock passwd
|
A password is required for RMA unlock request.
|
| 57
|
31-0
|
mac[31:0]
|
ETH MAC address for STMicroelectronics boards
|
| 58
|
15-0
|
mac[47:32]
|
| 59-95
|
-
|
-
|
See the reference manual.
|