STM8L101 datasheet(35/81 Pages) STMICROELECTRONICS

Part #	STM8L101

Description	8-bit ultralow power microcontroller with up to 8 Kbytes Flash multifunction timers, comparators, USART, SPI, I2C

PDF	81 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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35 / 81 page

STM8L101xx

Option bytes

Doc ID 15275 Rev 11

35/81

Caution:

After a device reset, read access to the program memory is not guaranteed if address

0x4807 is not programmed to 0x00.

OPT3

DATASIZE[7:0] Size of the data EEPROM area

0x00: no data EEPROM area (1)

0x01: 1 page reserved for data storage from 0x9FC0 to 0x9FFF(1)

0x02: 2 pages reserved for data storage from 0x9F80 to 0x9FFF(1)

... (1)

0x20: 32 pages reserved for data storage from 0x9800 to 0x9FFF(1)

Refer to Data EEPROM (DATA) section in the STM8L reference manual

(RM0013) for more details.

OPT4

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

0x00 is the only allowed value for 4 Kbyte STM8L101xx devices.

Table 11.

Option byte description (continued)

STM8L101 Datasheet(PDF) 35 Page - STMicroelectronics