AN3139 datasheet(52/63 Pages) STMICROELECTRONICS

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Block-by-block compatibility analysis

AN3139

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Doc ID 16993 Rev 3

3.13.2

Data EEPROM memory

The data EEPROM memory organization differs slightly in each sub-family. The data

EEPROM is organized in pages:

●

STM8L15x/STM8L16x sub-family:

–

In low density STM8L15x devices, the data EEPROM is organized in up to 4

pages of 64 bytes each.

–

In medium density STM8L15x devices, the data EEPROM is organized in up to 8

pages of 128 bytes each.

–

In medium+ density STM8L15x devices, the data EEPROM is organized in up to 4

pages of 256 bytes each.

–

In high density STM8L15x and high density STM8L16x devices, the data

EEPROM is organized to 8 pages of 256 bytes each.

●

STM8L10x sub-family

–

In low density STM8L10x devices, the data EEPROM is organized in up to 32

pages of 64 bytes.

The start address of the data EEPROM is configured through the DATASIZE option byte in

the STM8L10x sub-family.

The start address of the data EEPROM is always 0x1000 in all the STM8L10x and

STM8L15x/STM8L16x sub-families.

Refer to the STM8L datasheets for more details.

3.13.3

Boot ROM memory

The Boot ROM memory containing the bootloader code is present in the devices for the

STM8L15x/STM8L16x sub-family. It is not present in the STM8L10x sub-family. The Boot

ROM size is 2 Kbytes and its start address is always 0x6000.

3.13.4

RAM memory

The RAM memory always starts from address 0. The first 256 bytes make up the zero page.

Low power

wait mode

Not supported

Supported

Low power

run mode

Not supported

Supported

Table 19.

Overview of the STM8L family Flash interface (continued)

Flash

features

STM8L10x

STM8L15x/STM8L16x

Low density

STM8L10x

Low density

STM8L15x

Medium density

STM8L15x

Medium+

density

STM8L15x

High density

STM8L15x/

STM8L16x

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