stm8af6148 STMicroelectronics, stm8af6148 Datasheet - Page 47

• Manufacturer Part Number: stm8af6148
• Description: Automotive 8-bit Mcu, With Up To 32 Kbytes Flash, Eeprom, 10-bit Adc, Timers, Lin, Spi, I 2c, 3 V To 5.5 V
• Manufacturer: STMicroelectronics

STM8AF61xx STM8AH61xx
Table 12.
Option byte no.
OPT11
OPT12
OPT13
OPT14
OPT15
OPT16
OPT17
Option byte description (continued)
TMU_KEY 3 [7:0]: Temporary unprotection key 3
TMU_KEY 4 [7:0]: Temporary unprotection key 4
TMU_KEY 5 [7:0]: Temporary unprotection key 5
TMU_KEY 6 [7:0]: Temporary unprotection key 6
TMU_KEY 7 [7:0]: Temporary unprotection key 7
TMU_MAXATT [7:0]: TMU access failure counter
BL_EN [7:0]: Bootloader enable
Temporary unprotection key: Must be different from 00h or FFh
Temporary unprotection key: Must be different from 00h or FFh
Temporary unprotection key: Must be different from 00h or FFh
Temporary unprotection key: Must be different from 00h or FFh
Temporary unprotection key: Must be different from 00h or FFh
Every unsuccessful trial to enter the temporary unprotection procedure
increments the counter. More than eight unsuccessful trials trigger the
global erase of the code and data memory.
If this optionbyte is set to 55h (complementary value AAh) the bootloader
program is activated also in case of a programmed code memory
(for more details, see the bootloader user manual, UM0500).
Description
Option bytes
47/90