PM0054

Programming STM8 Flash microcontrollers

Doc ID 15433 Rev 9

23/28

5.6

Memory access versus programming method

Table 10 gives a description of possible accesses from the core to memory areas according

to the programming method.

Table 10.

Mode

ROP

Memory Area

Low density

STM8L101x

Low and medium

density

STM8L05x/15x

Medium density

STM8AL31xx /

STM8AL3Lxx

High density

STM8L05x/15x/16x

Access from core

User, IAP, and

Bootloader (if

available)

Readout

protection

enabled

Interrupt vectors except for TRAP and TLI (if

available)

TRAP and TLI (if available)

Proprietary code area (PCODE) (if available)

R/E

User boot code area (UBC)

R/E

Main program

Data EEPROM area (DATA)

Option bytes

R

Readout

protection

disabled

Interrupt vectors except for TRAP and TLI (if

available)

R/W(2)/E

TRAP and TLI (if available)

R/W(3)/E

Proprietary code area (PCODE) (if available)

User boot code area (UBC)

Main program

R/W/E(4)

Data EEPROM area (DATA)

R/W(5)

Option bytes

R