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STM8AF/P638A 데이터시트(PDF) 58 Page - STMicroelectronics

부품명 STM8AF/P638A
상세설명  Automotive 8-bit MCU, with up to 128-Kbyte Flash memory, data EEPROM, 10-bit ADC, timers, LIN, USART, SPI, I2C, 3 to 5.5 V
PDF  116 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8AF/P638A 데이터시트(HTML) 58 Page - STMicroelectronics

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Option bytes
STM8AF6388
58/116
DocID031156 Rev 1
OPT12
TMU_KEY 5 [7:0]: Temporary unprotection key 4
Temporary unprotection key: Must be different from 0x00 or 0xFF
OPT13
TMU_KEY 6 [7:0]: Temporary unprotection key 5
Temporary unprotection key: Must be different from 0x00 or 0xFF
OPT14
TMU_KEY 7 [7:0]: Temporary unprotection key 6
Temporary unprotection key: Must be different from 0x00 or 0xFF
OPT15
TMU_KEY 8 [7:0]: Temporary unprotection key 7
Temporary unprotection key: Must be different from 0x00 or 0xFF
OPT16
TMU_MAXATT [7:0]: TMU access failure counter
TMU_MAXATT can be initialized with the desired value only if TMU is
disabled (TMU[3:0]=0101 in OPT6 option byte).
When TMU is enabled, any attempt to temporary remove the readout
protection by using wrong key values increments the counter.
When the option byte value reaches 0x08, the Flash memory and data
EEPROM are erased.
OPT17
BL[7:0]: Bootloader enable
If this option byte is set to 0x55 (complementary value 0xAA) the
bootloader program is activated also in case of a programmed code
memory (for more details, see the bootloader user manual, UM0560).
Table 17. Option byte description (continued)
Option byte no.
Description



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