STM8S003K3(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S003K3
(Rev.:2012)

Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes data EEPROM, 10-bit ADC, 3 timers, UART, SPI, I²C

STMicroelectronics 

Option bytes

STM8S003K3 STM8S003F3

Option byte no.

OPT1

OPT2

OPT3

Description

Note: Refer to the family reference manual (RM0016) section on

Flash/EEPROM memory readout protection for details.

UBC[7:0] User boot code area

0x00: no UBC, no write-protection

0x01: Page 0 defined as UBC, memory write-protected

0x02: Pages 0 to 1 defined as UBC, memory write-protected.

Page 0 and 1 contain the interrupt vectors.

...

0x7F: Pages 0 to 126 defined as UBC, memory write-protected

Other values: Pages 0 to 127 defined as UBC, memory

write-protected

Note: Refer to the family reference manual (RM0016) section on

Flash write protection for more details.

AFR[7:0]

Refer to following section for alternate function remapping decriptions

of bits [7:2] and [1:0] respectively.

HSITRIM:High speed internal clock trimming register size

0: 3-bit trimming supported in CLK_HSITRIMR register

1: 4-bit trimming supported in CLK_HSITRIMR register

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

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DocID018576 Rev 3

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