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参数资料
型号： STM8AF62AATBX
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80
封装： 14 X 14 MM, ROHS COMPLIANT, LQFP-80
文件页数： 81/120页
文件大小： 2236K
代理商： STM8AF62AATBX
STM8AF52/62xx, STM8AF51/61xx
Option bytes
Doc ID 14395 Rev 7
63/120
OPT3
LSI_EN: Low speed internal clock enable
0: LSI clock is not available as CPU clock source
1: LSI clock is available as CPU clock source
IWDG_HW: Independent watchdog
0: IWDG Independent watchdog activated by software
1: IWDG Independent watchdog activated by hardware
WWDG_HW: Window watchdog activation
0: WWDG window watchdog activated by software
1: WWDG window watchdog activated by hardware
WWDG_HALT: Window watchdog reset on halt
0: No reset generated on halt if WWDG active
1: Reset generated on halt if WWDG active
OPT4
EXTCLK: External clock selection
0: External crystal connected to OSCIN/OSCOUT
1: External clock signal on OSCIN
CKAWUSEL: Auto-wakeup unit/clock
0: LSI clock source selected for AWU
1: HSE clock with prescaler selected as clock source for AWU
PRSC[1:0]: AWU clock prescaler
00: 24 MHz to 128 kHz prescaler
01: 16 MHz to 128 kHz prescaler
10: 8 MHz to 128 kHz prescaler
11: 4 MHz to 128 kHz prescaler
OPT5
HSECNT[7:0]: HSE crystal oscillator stabilization time
This configures the stabilization time to 0.5, 8, 128, and 2048 HSE
cycles with corresponding option byte values of E1h, D2h, B4h, and 00h.
OPT6
TMU[3:0]: Enable temporary memory unprotection
0101: TMU disabled (permanent ROP).
Any other value: TMU enabled.
OPT7
WAIT STATE: Wait state configuration
This option configures the number of wait states inserted when reading
from the Flash/data EEPROM memory.
0: No wait state
1: One wait state
OPT8
TMU_KEY 1 [7:0]: Temporary unprotection key 0
Temporary unprotection key: Must be different from 00h or FFh
OPT9
TMU_KEY 2 [7:0]: Temporary unprotection key 1
Temporary unprotection key: Must be different from 00h or FFh
OPT10
TMU_KEY 3 [7:0]: Temporary unprotection key 2
Temporary unprotection key: Must be different from 00h or FFh
OPT11
TMU_KEY 4 [7:0]: Temporary unprotection key 3
Temporary unprotection key: Must be different from 00h or FFh
Table 35.
Option byte description (continued)
Option byte no.
Description
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