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STM8L15 Datasheet(PDF) 57 Page - STMicroelectronics

Part # STM8L15
Description  8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
PDF  122 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L15 Datasheet(HTML) 57 Page - STMicroelectronics

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STM8L151xx, STM8L152xx
Option bytes
Doc ID 15962 Rev 5
57/122
Table 12.
Option byte description
Option
byte
No.
Option description
OPT0
ROP[7:0] Memory readout protection (ROP)
0xAA: Disable readout protection (write access via SWIM protocol)
Refer to Readout protection section in the STM8L15x reference manual (RM0031).
OPT1
UBC[7:0] Size of the user boot code area
0x00: no UBC
0x01: the UBC contains only the interrupt vectors.
0x02: Page 0 and 1 reserved for the UBC and read/write protected. Page 0 contains only the interrupt
vectors.
0x03 - Page 0 to 2 reserved for UBC, memory write-protected
≥ 0xFE - Page 0 to 254 reserved for UBC, memory write-protected
Refer to User boot code section in the STM8L15x reference manual (RM0031).
OPT2
Reserved
OPT3
IWDG_HW: Independent watchdog
0: Independent watchdog activated by software
1: Independent watchdog activated by hardware
IWDG_HALT: Independent window watchdog reset on Halt/Active-halt
0: Independent watchdog continues running in Halt/Active-halt mode
1: Independent watchdog stopped in Halt/Active-halt mode
WWDG_HW: Window watchdog
0: Window watchdog activated by software
1: Window watchdog activated by hardware
WWDG_HALT: Window window watchdog reset on Halt/Active-halt
0: Window watchdog stopped in Halt mode
1: Window watchdog generates a reset when MCU enters Halt mode
OPT4
HSECNT: Number of HSE oscillator stabilization clock cycles
0x00 - 1 clock cycle
0x01 - 16 clock cycles
0x10 - 512 clock cycles
0x11 - 4096 clock cycles
LSECNT: Number of LSE oscillator stabilization clock cycles
0x00 - 1 clock cycle
0x01 - 16 clock cycles
0x10 - 512 clock cycles
0x11 - 4096 clock cycles



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